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Name :
BAFFR Human, HEKDescription:
BAFF (BLyS) Receptor Human Recombinant, HEK
TNFRSF13C, CD268, BAFF-R, MGC138235, B cell-activating factor receptor.
Product # :
CYT-1224Price :
Quantity :
Shipping Method :
Shipped with Ice Packs
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Description
BAFFR Human Recombinant is a single, glycosylated, polypeptide chain (1-78 a.a) containing a total of 314 amino acids and having a molecular mass of 34.4 kDa. BAFFR is fused to 233 a.a hIgG-Tag at C-terminus and is purified by proprietary chromatographic techniques.
Source
HEK293 Cells.
Formulation
The BAFFR solution (1mg/ml) contains 10% Glycerol and Phosphate-Buffered Saline (pH 7.4).
Purity
Greater than 95.0% as determined by SDS-PAGE.
Biological Activity
The ED50 is ≤0.7 ug/ml, measured by its ability in a functional ELISA with BAFF Human.
More Info
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Synonyms
TNFRSF13C, CD268, BAFF-R, MGC138235, B cell-activating factor receptor.
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Physical Appearance
Sterile Filtered colorless solution.
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Stability
Store at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Avoid multiple freeze-thaw cycles.
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Amino Acid Sequence
DGSMRRGPRS LRGRDAPAPT PCVPAECFDL LVRHCVACGL LRTPRPKPAG ASSPAPRTAL QPQESVGAGA GEAALPLPGL LLEPKSCDKT HTCPPCPAPE LLGGPSVFLF PPKPKDTLMI SRTPEVTCVV VDVSHEDPEV KFNWYVDGVE VHNAKTKPRE EQYNSTYRVV SVLTVLHQDW LNGKEYKCKV SNKALPAPIE KTISKAKGQP REPQVYTLPP SRDELTKNQV SLTCLVKGFY PSDIAVEWES NGQPENNYKT TPPVLDSDGS FFLYSKLTVD KSRWQQGNVF SCSVMHEALH NHYTQKSLSL SPGK.
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Background
B-cell Activating Factor (BAFF) and its corresponding receptor, BAFF-R, are integral components of the immune system, orchestrating crucial processes in B-cell survival, maturation, and differentiation. As we delve into the intricate world of immunology, the study of BAFF and its receptor has unveiled essential pathways that govern the immune responses in health and disease. This research investigates the multifaceted role of BAFF Receptor Protein, shedding light on its structural complexities, signaling mechanisms, and its pivotal contributions to immune regulation. By exploring the interactions between BAFF and its receptor, scientists aim to decipher the delicate balance that underlies immune homeostasis and explore potential therapeutic avenues.
Structural Architecture of BAFF Receptor Protein:
BAFF Receptor, a transmembrane protein predominantly expressed on B cells, belongs to the tumor necrosis factor receptor (TNFR) superfamily. Its intricate structure involves various domains, each playing a unique role in ligand binding, receptor activation, and downstream signaling. Understanding the structural intricacies of BAFF Receptor is paramount to unraveling the molecular events that govern B-cell fate decisions and immune responses.
Physiological Significance in B-Cell Biology:
BAFF Receptor, upon binding with its ligand BAFF, initiates a cascade of events critical for B-cell survival and function. This interaction promotes B-cell maturation, prevents premature apoptosis, and influences the formation of immune synapses. Additionally, BAFF Receptor signaling is tightly regulated to prevent excessive B-cell activation, ensuring immune tolerance and preventing autoimmune responses. Disruptions in these pathways can lead to autoimmune disorders, underscoring the crucial role of BAFF Receptor in maintaining immune equilibrium.
Regulation of Immune Responses:
BAFF Receptor signaling not only affects B-cell development but also has broader implications for immune responses. By modulating antibody production, B-cell activation, and immune memory, BAFF Receptor plays a vital role in shaping adaptive immunity. Its dysregulation has been implicated in various autoimmune conditions, making it an attractive target for therapeutic interventions aimed at restoring immune balance.
BAFF Receptor as a Therapeutic Target:
The intricate involvement of BAFF Receptor in autoimmune diseases, such as rheumatoid arthritis and systemic lupus erythematosus, has positioned it as a promising therapeutic target. Researchers are exploring monoclonal antibodies and other targeted therapies that aim to modulate BAFF Receptor signaling, providing a new frontier in autoimmune disease management. Additionally, understanding the BAFF-BAFF Receptor axis offers potential insights into the development of vaccines and immunotherapies, fostering innovative approaches in the fight against infectious diseases and malignancies.
BAFF Receptor Protein, as a key player in immune regulation, embodies the complexities of immunology. Its interactions with BAFF orchestrate fundamental processes in B-cell biology and adaptive immunity. As scientists unravel the intricate signaling pathways and structural nuances of BAFF Receptor, they pave the way for novel therapeutic strategies and innovative treatments for autoimmune disorders and beyond. This research not only deepens our understanding of immune regulation but also holds the promise of transformative advancements in immunotherapy, ultimately shaping the future of immune-related healthcare.
What is the molecular weight/Mw of BAFF-R Protein?
BAFF-R Protein has a total Mw of 34.4kDa.
What is the source or expression system of BAFF-R Protein?
HEK293 Cells.
What is the Purity of BAFF-R Protein?
BAFF-R Protein is >95% pure as determined by SDS-PAGE.
What is the Biological Activity of BAFF-R Protein?
The ED50 is ≤0.7 ug/ml, measured by its ability in a functional ELISA with BAFF Human.
What is the amino acid sequence of BAFF-R Protein?
DGSMRRGPRS LRGRDAPAPT PCVPAECFDL LVRHCVACGL LRTPRPKPAG ASSPAPRTAL QPQESVGAGA GEAALPLPGL LLEPKSCDKT HTCPPCPAPE LLGGPSVFLF PPKPKDTLMI SRTPEVTCVV VDVSHEDPEV KFNWYVDGVE VHNAKTKPRE EQYNSTYRVV SVLTVLHQDW LNGKEYKCKV SNKALPAPIE KTISKAKGQP REPQVYTLPP SRDELTKNQV SLTCLVKGFY PSDIAVEWES NGQPENNYKT TPPVLDSDGS FFLYSKLTVD KSRWQQGNVF SCSVMHEALH NHYTQKSLSL SPGK.
What applications can BAFF-R Protein be used in?
BAFF-R Protein can probably be used in western blot, ELISA and Lateral Flow.
What is the endotoxin level for BAFF-R Protein?
The endotoxin level is minimal, BAFF-R Protein was purified using conventional chromatography techniques.
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
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Name :
Leptin Mouse, PEGDescription:
Pegylated Mouse Leptin Recombinant
OB Protein, Obesity Protein, OBS, Obesity factor.
Product # :
CYT-591Price :
Quantity :
Shipping Method :
Shipped at Room temp
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Description
Leptin Mono-Pegylated Mouse Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 146 amino acids and an additional Ala at N-terminus. Pegylated Mouse Leptin contains PEG 20 kDa at its N-terminus and having a molecular mass of 35.6 kDa as determined by mass spectrometry. Since its enlarged hydrodymanic volume Pegylated Leptin runs on SDS-PAGE as A 48 kDa protein and in gel-filtration on Superdex 200 as over 100 kDa protein. Pegylated Mouse Leptin half-life in circulation after SC injection was over 20 hours. Mouse Leptin was purified by proprietary chromatographic techniques according to Salomon et al (2006) Protein Expression and Purification 47, 128–136 and then pegylated.
Source
Escherichia Coli.
Formulation
The mouse Leptin was lyophilized from a concentrated (0.65mg/ml) solution containing 0.003mM NaHCO3.
Purity
Greater than 99.0% as determined by:
(a) Analysis by Gel-Filtration.
(b) Analysis by SDS-PAGE.Biological Activity
Pegylated mouse Leptin is capable of stimulatng proliferation of BAF/3 cells stably transfected with the long form of human leptin receptor. Pegylated mouse Leptin in vitro activity is only slightly lower than the non-pegylated antagonist but in vivo it has profound weight reducing effect (as compared to the non-pegylated leptin), resulting mainly from reduced food intake.More Info
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Introduction
A 16-kDa peptide hormone secreted from white adipocytes and implicated in the regulation of food intake and energy balance. Leptin provides the key afferent signal from fat cells in the feedback system that controls body fat stores.
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Synonyms
OB Protein, Obesity Protein, OBS, Obesity factor.
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Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
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Stability
Lyophilized Leptin although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution Leptin should be stored at 4°C between 2-7 days and for future use below -18°C.For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Please prevent freeze-thaw cycles.
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Solubility
It is recommended to reconstitute the lyophilized Leptin in sterile 0.4% NaHCO3 adjusted to pH-8.5 not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
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Name :
VEGF (121 a.a.) HumanDescription:
Vascular Endothelial Growth Factor (121 a.a.) Human Recombinant
Vascular endothelial growth factor A, VEGF-A, Vascular permeability factor, VPF, VEGF, MGC70609.
Product # :
CYT-343Price :
Quantity :
Shipping Method :
Shipped at Room temp
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Description
Vascular Endothelial Growth Factor-121 Human Recombinant produced in E.Coli is a non-glycosylated, polypeptide double chain containing 2x121 amino acids and having a molecular mass of 28.4kDa. VEGF121 circulates more freely than other VEGF forms, which bind more tightly with vascular heparin sulfates.
Source
Escherichia Coli.
Formulation
The protein was lyophilized from a concentrated (1mg/ml) solution with no additives.
Purity
Greater than 98.0% as determined by:
(a) Analysis by RP-HPLC.
(b) Analysis by SDS-PAGE.Biological Activity
VEGF-121 has full biological activity when compared to standards. The activity is determined by the dose-dependent proliferation of HUVECs and is typically 1-6ng/ml corresponding to a specific activity of 166,667-1,000,000U/mg.
More Info
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Introduction
Vascular endothelial growth factor is an important signaling protein involved in both vasculogenesis and angiogenesis. As its name implies, VEGF activity has been mostly studied on cells of the vascular endothelium, although it does have effects on a number of other cell types (e.g. stimulation monocyte/ macrophagemigration, neurons, cancer cells, kidney epithelial cells ).VEGF mediates increased vascular permeability, induces angiogenesis, vasculogenesis and endothelial cell growth, promotes cell migration, and inhibits apoptosis. In vitro, VEGF has been shown to stimulate endothelial cell mitogenesisand cell migration. VEGF is also a vasodilator and increases microvascular permeability and was originally referred to as vascular permeability factor.
Elevated levels of this protein are linked to POEMS syndrome, also known as Crow-Fukase syndrome. Mutations in this gene have been associated with proliferative and nonproliferative diabetic retinopathy. -
Synonyms
Vascular endothelial growth factor A, VEGF-A, Vascular permeability factor, VPF, VEGF, MGC70609.
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Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
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Stability
Lyophilized Vascular Endothelial Growth Factor 121 although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution VEGF-121 should be stored at 4°C between 2-7 days and for future use below -18°C.For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Please prevent freeze-thaw cycles.
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Solubility
It is recommended to reconstitute the lyophilized Vascular Endothelial Growth Factor -121 in sterile 18MΩ-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
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Amino Acid Sequence
APMAEGGGQN HHEVVKFMDV YQRSYCHPIE TLVDIFQEYP DEIEYIFKPS CVPLMRCGGC CNDEGLECVP TEESNITMQI MRIKPHQGQH IGEMSFLQHN KCECRPKKDR ARQENCDKPR R
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
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Name :
GlycininDescription:
Allergen Ara h 3.0101 Recombinant
Glycinin, Arah3.
Product # :
ALR-008Price :
Quantity :
Shipping Method :
Shipped with Ice Packs
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Description
Recombinant Glycinin produced in E. coli is a non- glycosylated, polypeptide chain having a calculated molecular mass of 63 kDa. Glycinin is expressed with a 10xHis tag at N-terminus and purified by proprietary chromatographic techniques.
Source
Escherichia Coli.
Formulation
Glycinin is supplied in 20mM HEPES buffer pH-8, 6M Urea and 0.25M NaCl.
Purity
Greater than 95% as determined by SDS-PAGE.
More Info
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Introduction
Glycinin Ara h 3 is a seed storage protein, 11 S globulin and trypsin inhibitor from peanut. Each subunit of the hexamer is composed of an acidic and a basic chain derived from a single precursor and linked by a disulfide bond. Ara h 3 and Ara h 4 are isoforms. Glycinin is the source of sulfur-containing amino acids in seed meals and it exists in the seeds of many leguminous and non-leguminous plants.
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Synonyms
Glycinin, Arah3.
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Physical Appearance
Sterile Filtered clear solution.
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Stability
Store at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time. Avoid multiple freeze-thaw cycles.
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Immunological Functions
1. Binds IgE type human antibodies. 2. Immunodot test with positive/negative sera panels.
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
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Name :
EREG Human, HEKDescription:
Epiregulin Human Recombinant, HEK
EPR, Epiregulin, Ep, ER, Proepiregulin, EREG.
Product # :
CYT-1206Price :
Quantity :
Shipping Method :
Shipped with Ice Packs
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Description
EREG Human Recombinant produced in HEK293 cells is a single, glycosylated polypeptide chain (63-108a.a) containing 289 amino acids and having a molecular mass of 32.6 kDa.EREG is fused to a 239 amino acid hIgG-His-Tag at C-terminus & purified by proprietary chromatographic techniques.
Source
HEK293 cells.
Formulation
EREG protein (0.25mg/ml) contains 10% glycerol and Phosphate-Buffered Saline (pH 7.4).
Purity
Greater than 90.0% as determined by SDS-PAGE.
Biological Activity
Measured in a cell proliferation assay using Balb/3T3 mouse embryonic fibroblast cells. The ED50 range ≤ 1ug/ml.
More Info
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Introduction
"Epiregulin is part of the EGF family. Epiregulin functions as a ligand of EGFR, as well as a ligand of most members of the ERBB (v-erb-b2 oncogene homolog) family of tyrosine-kinase receptors.Epiregulin is expressed mostly in the placenta and peripheral blood leukocytes and in specific carcinomas of the bladder, lung, kidney and colon. Epiregulin stimulates the proliferation of keratinocytes, hepatocytes, fibroblasts and vascular smooth muscle cells. Epiregulin inhibits the growth of several tumor-derived epithelial cell lines. Human Epiregulin is initially synthesized as a glycosylated 19.0 kDa transmembrane precursor protein, which is processed by proteolytic cleavage to produce a 6.0 kDa mature secreted sequence."
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Synonyms
EPR, Epiregulin, Ep, ER, Proepiregulin, EREG.
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Physical Appearance
Sterile filtered colorless solution.
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Stability
Store at 4°C if entire vial will be used within 2-4 weeks.Store, frozen at -20°C for longer periods of time.For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Avoid multiple freeze-thaw cycles.
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Amino Acid Sequence
DGSMVSITKC SSDMNGYCLH GQCIYLVDMS QNYCRCEVGY TGVRCEHFFL LEPKSCDKTH TCPPCPAPEL LGGPSVFLFP PKPKDTLMIS RTPEVTCVVV DVSHEDPEVK FNWYVDGVEV HNAKTKPREE QYNSTYRVVS VLTVLHQDWL NGKEYKCKVS NKALPAPIEK TISKAKGQPR EPQVYTLPPS RDELTKNQVS LTCLVKGFYP SDIAVEWESN GQPENNYKTT PPVLDSDGSF FLYSKLTVDK SRWQQGNVFS CSVMHEALHN HYTQKSLSLS PGKHHHHHH
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Background
What is the molecular weight/Mw of EREG Protein?
EREG Protein has a total Mw of 32.6kDa.
What is the source or expression system of EREG Protein?
HEK293 cells.
What is the Purity of EREG Protein?
EREG Protein is >90% pure as determined by SDS-PAGE.
What is the Biological Activity of EREG Protein?
Measured in a cell proliferation assay using Balb/3T3 mouse embryonic fibroblast cells. The ED50 range ≤ 1ug/ml.
What is the amino acid sequence of EREG Protein?
DGSMVSITKC SSDMNGYCLH GQCIYLVDMS QNYCRCEVGY TGVRCEHFFL LEPKSCDKTH TCPPCPAPEL LGGPSVFLFP PKPKDTLMIS RTPEVTCVVV DVSHEDPEVK FNWYVDGVEV HNAKTKPREE QYNSTYRVVS VLTVLHQDWL NGKEYKCKVS NKALPAPIEK TISKAKGQPR EPQVYTLPPS RDELTKNQVS LTCLVKGFYP SDIAVEWESN GQPENNYKTT PPVLDSDGSF FLYSKLTVDK SRWQQGNVFS CSVMHEALHN HYTQKSLSLS PGKHHHHHH
What applications can EREG Protein be used in?
EREG Protein can probably be used in western blot, ELISA and Lateral Flow.
What is the endotoxin level for EREG Protein?
The endotoxin level is minimal, EREG Protein was purified using conventional chromatography techniques.
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
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Name :
Hepsin HumanDescription:
Hepsin Human Recombinant
HPN, TMPRSS1, Serine protease hepsin, Transmembrane protease serine 1.
Product # :
PRO-2846Price :
Quantity :
Shipping Method :
Shipped at Room temp
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Description
Hepsin Human Recombinant produced in Cho cells is a covalently-linked heterodimer having a total molecular mass of 43.0kDa. Hepsin is fused to a 6 amino acid His-tag at C-terminus & purified by proprietary chromatographic techniques.
Source
CHO cells.
Formulation
The Hepsin protein was Lyophilized from a 0.2µm filtered concentrated solution in 20mM Tris and 150mM NaCl, pH 8.0.
Purity
Greater than 95.0% as determined by SDS-PAGE.
Biological Activity
The specific activity is >20,000 pmol/min/μg and was measured by its ability to cleave tert-butoxycarbonyl-Gln-Arg-Arg-7-amino-4-methylcoumarin (Boc-QRR-AMC).More Info
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Synonyms
HPN, TMPRSS1, Serine protease hepsin, Transmembrane protease serine 1.
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Physical Appearance
Filtered White lyophilized (freeze-dried) powder.
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Stability
Lyophilized Hepsin Active although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution Hepsin Active should be stored at 4°C between 2-7 days and for future use below -18°C.
Please prevent freeze-thaw cycles. -
Solubility
It is recommended to reconstitute the lyophilized Hepsin in sterile 18MΩ-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
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Amino Acid Sequence
Light Chain (Non-catalytic Chain)
RSDQEPLYPV QVSSADARLM VFDKTEGTWR LLCSSRSNAR VAGLSCEEMG FLRALTHSEL DVRTAGANGT SGFFCVDEGR LPHTQRLLE VISVCDCPRGR FLAAICQDCG RRKLPVDR.
Heavy Chain (Catalytic Chain)
IVGGRDTSLG RWPWQVSLRY DGAHLCGGSL LSGDWVLTAA HCFPERNRVL SRWRVFAGAV AQASPHGLQL GVQAVVYHGG YLPFRDPNSE ENSNDIALVH LSSPLPLTEY IQPVCLPAAG QALVDGKICT VTGWGNTQYY GQQAGVLQEA RVPIISNDVC NGADFYGNQI KPKMFCAGYP EGGIDACQGD SGGPFVCEDS ISRTPRWRLC GIVSWGTGCA LAQKPGVYTK VSDFREWIFQ AIKTHSEASG MVTQLHHHHH H.
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Background
Hepsin is a type II transmembrane serine protease expressed primarily on epithelial cells, it takes part in extracellular proteolysis by activating precursor proteins such as pro-HGF and contributes to tissue remodeling, cell signaling, and normal epithelial function. Recombinant Hepsin is used to study prostate cancer, extracellular matrix remodelling, protease signalling pathways, tumor invasion, metastasis, HGF/MET signaling, and for screening inhibitors that target serine proteases
What is the molecular weight / Mw of Hepsin Protein?
Hepsin Protein has a total Mw of 43kDa.
What is the source or expression system of Hepsin Protein?
CHO Cells
What is the Purity of Hepsin Protein?
Hepsin Protein is >95% pure as determined by SDS-PAGE.
What is the Biological Activity of Hepsin Protein?
The enzymatic activity was measured by its ability to cleave tert-butoxycarbonyl-Gln-Arg-Arg-7-amino-4-methylcoumarin (Boc-QRR-AMC). The specific activity is >20,000 pmol/min/μg.
What is the amino acid sequence of Hepsin Protein?
Light Chain (Non-catalytic Chain)
RSDQEPLYPV QVSSADARLM VFDKTEGTWR LLCSSRSNAR VAGLSCEEMG FLRALTHSEL DVRTAGANGT SGFFCVDEGR LPHTQRLLE VISVCDCPRGR FLAAICQDCG RRKLPVDR
Heavy Chain (Catalytic Chain)
IVGGRDTSLG RWPWQVSLRY DGAHLCGGSL LSGDWVLTAA HCFPERNRVL SRWRVFAGAV AQASPHGLQL GVQAVVYHGG YLPFRDPNSE ENSNDIALVH LSSPLPLTEY IQPVCLPAAG QALVDGKICT VTGWGNTQYY GQQAGVLQEA RVPIISNDVC NGADFYGNQI KPKMFCAGYP EGGIDACQGD SGGPFVCEDS ISRTPRWRLC GIVSWGTGCA LAQKPGVYTK VSDFREWIFQ AIKTHSEASG MVTQLHHHHH H
What applications can Hepsin Protein be used in?
Hepsin Protein can probably be used in western blot, ELISA and Lateral Flow.
What is the endotoxin level for Hepsin Protein?
The endotoxin level is minimal, Hepsin Protein was purified using conventional chromatography techniques.
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
- View Data Sheet
Name :
SERPINA1 Human, ActiveDescription:
Alpha-1 Antitrypsin, Active Human Recombinant
Alpha-1-antitrypsin, Alpha-1 protease inhibitor, Alpha-1-antiproteinase, SERPINA1, A1AT, PI, A1A, AAT, PI1, MGC9222, PRO2275, MGC23330.
Product # :
PRO-907Price :
Quantity :
Shipping Method :
Shipped at Room temp
More Info
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Description
SERPINA1 Human Recombinant produced in rice is a single, non-glycosylated polypeptide chain containing 384 amino acids and having a molecular mass of 43.1 kDa.The SERPINA1 protein is purified by proprietary chromatographic techniques.
Source
Rice Grain (Oryza Sativa).
Formulation
SERPINA1 was lyophilized from a concentrated solution containing recombinant Albumin.
Purity
Greater than 95% as determined by SDS-PAGE.
Biological Activity
3~5 mg SERPINA1 will inhibit 1 mg PPE with an activity of 10.8 units per mg proteinMore Info
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Introduction
SERPINA1 is secreted and is a serine protease inhibitor which its targets include elastase, plasmin, collagenase, leucocytic proteases, trypsin, chymotrypsin, and plasminogen activator. Defects in SERPINA1 gene can cause emphysema or liver disease. SERPINA1 is an endogenous inhibitor of serine proteases and inhibits the catalytic domain of human recombinant matriptase in vitro. Rise in SERPINA1 occurs as an acute phase response to tissue necrosis and inflammation. mutations in SERPINA1 and SLC11A1 genes change the balance between elastase produced by leukocytes during phagocytosis.
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Synonyms
Alpha-1-antitrypsin, Alpha-1 protease inhibitor, Alpha-1-antiproteinase, SERPINA1, A1AT, PI, A1A, AAT, PI1, MGC9222, PRO2275, MGC23330.
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Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
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Stability
Lyophilized SERPINA1 although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution SERPINA1 should be stored at 4°C between 2-7 days and for future use below -18°C.For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Please prevent freeze-thaw cycles.
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Solubility
It is recommended to reconstitute the lyophilized SERPINA1 in sterile 18M-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
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Name :
IFN tau OvineDescription:
IFN-Tau Ovine Recombinant
IFN-tau1, Trophoblast protein 1, TP-1, Trophoblastin, Antiluteolysin, Trophoblast antiluteolytic protein, IFN-tau, IFN tau-1.
Product # :
CYT-377Price :
Quantity :
Shipping Method :
Shipped at Room temp
More Info
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Description
IFN-Tau Ovine Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 172 amino acids and having a molecular mass of 19914.7 Dalton.The IFN-Tau is purified by proprietary chromatographic techniques.
Source
Escherichia Coli.
Formulation
Lyophilized from (1mg/ml) solution containing PBS pH-7.4.
Purity
Greater than 95.0% as determined by both:
(a) Analysis by RP-HPLC.
(b) Analysis by SDS-PAGE.Biological Activity
The specific activity as determined in a viral resistance assay using bovine kidney MDBK cells was found to be 10,000,000IU/mg.More Info
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Introduction
IFN-tau is also known as TP-1 (trophoblast protein-1) is a new class of type I IFN that is secreted by the trophoblast and is the signal for maternal recognition of pregnancy in sheep. IFN- tau has potent immunosuppressive and antiviral activities similar to other type I IFN but is less cytotoxic than IFN-alpha and IFN-beta. The current investigation concerns the effect of recombinant ovine IFN- tau (rOIFN- tau) on the modulation of MHC class I and II expression on cloned mouse cerebrovascular endothelial (CVE) cells.
IFN-tau induced tyrosine phosphorylation of Stat1 and upregulated the expression of MHC class I on CVE. One proposed action by which type I IFN reduces the relapse rate in MS is via interference with IFN-?-induced MHC class II expression. IFN- tau was shown to downregulate IFN-?-induced MHC class II expression on CVE and, hence, may be of potential therapeutic value in downregulating inflammation in the central nervous system (CNS). IFN- tau did not upregulate the expression of MHC class II on CVE. IFN- tau also inhibited the replication of Theiler's virus in CVE. -
Synonyms
IFN-tau1, Trophoblast protein 1, TP-1, Trophoblastin, Antiluteolysin, Trophoblast antiluteolytic protein, IFN-tau, IFN tau-1.
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Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
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Stability
Lyophilized IFN-Tau although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution IFN-Tau should be stored at 4°C between 2-7 days and for future use below -18°C.For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Please prevent freeze-thaw cycles.
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Solubility
It is recommended to reconstitute the lyophilized IFN Tau in sterile 18MΩ-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
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Amino Acid Sequence
The sequence of the first five N-terminal amino acids was determined and was found to be Cys-Tyr-Leu-Ser-Arg.
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
- View Data Sheet
Name :
Kisspeptin-10Description:
Kisspeptin-10
Product # :
HOR-044Price :
Quantity :
Shipping Method :
Shipped at Room temp
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Description
Kisspeptin-10 Synthetic is a single, non-glycosylated polypeptide chain containing 10 amino acids, having a molecular mass of 1302 Dalton and a Molecular formula of C63H83N17O14 .
Formulation
The protein was lyophilized with no additives.
Purity
Greater than 97.0% as determined by analysis by RP-HPLC.
More Info
-
Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
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Stability
Lyophilized Kisspeptin-10 although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution Kisspeptin-10 should be stored at 4°C between 2-7 days and for future use below -18°C. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA). Please prevent freeze-thaw cycles.
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Solubility
It is recommended to reconstitute the lyophilized Kisspeptin-10 in sterile 18MΩ-cm H2O not less than 100 µg/ml, which can then be further diluted to other aqueous solutions.
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Amino Acid Sequence
H-Tyr-Asn-Trp-Asn-Ser-Phe-Gly-Leu-Arg-Phe-NH2.
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Background
Kisspeptin-10, a peptide derived from the Kisspeptin gene (KISS1), has emerged as a key player in the regulation of reproductive physiology. The peptide is known for its potent ability to stimulate the release of gonadotropin-releasing hormone (GnRH), a crucial factor in the control of the hypothalamic-pituitary-gonadal axis. The pivotal role of kisspeptin-10 in orchestrating the onset of puberty and the regulation of the menstrual cycle highlights its significance in reproductive health. This research aims to delve into the multifaceted functions of kisspeptin-10, shedding light on its physiological roles and potential applications in reproductive disorders.
The primary objective of this study is to comprehensively explore the effects of kisspeptin-10 on the reproductive system. In vitro and in vivo assays will be conducted to investigate the impact of kisspeptin-10 on GnRH release and subsequent gonadotropin secretion. The interactions between kisspeptin-10 and its receptor, G protein-coupled receptor 54 (GPR54), will be explored using binding assays, potentially unraveling novel signaling pathways activated by this interaction.
The second objective is to investigate the potential therapeutic applications of kisspeptin-10 in reproductive disorders. Clinical studies and animal models will be utilized to assess the efficacy of kisspeptin-10 in stimulating ovulation, particularly in cases of infertility caused by hypothalamic dysfunction. Furthermore, the potential of kisspeptin-10 in regulating conditions like polycystic ovary syndrome (PCOS) and hypogonadotropic hypogonadism will be explored.
The third objective is to elucidate the molecular mechanisms underlying the actions of kisspeptin-10. Transcriptomic and proteomic analyses will be employed to identify genes and proteins regulated by kisspeptin-10 stimulation. This information could reveal novel downstream effectors of kisspeptin-10 signaling, contributing to a more comprehensive understanding of its role in reproductive physiology.
By delving into the complexities of kisspeptin-10, this research aims to provide insights into its multifunctional roles in reproductive health and expand its potential therapeutic applications. The findings from this study may pave the way for the development of targeted interventions for reproductive disorders, potentially improving the quality of life for individuals affected by these conditions.
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
- View Data Sheet
Name :
PECAM1 HumanDescription:
Platelet Endothelial Cell Adhesion Molecule 1 Human Recombinant
Platelet endothelial cell adhesion molecule, PECAM1, CD31, CD31/EndoCAM, endoCAM, GPIIA', PECA1, PECAM-1, Platelet Endothelial Cell Adhesion Molecule 1.
Product # :
CYT-924Price :
Quantity :
Shipping Method :
Shipped with Ice Packs
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Description
PECAM1 Human Recombinant produced in Sf9 Baculovirus is a single, non-glycosylated polypeptide chain containing 582 amino acids (28-601a.a.) and having a molecular mass of 65.5kDa (Migrates at 70-100kDa on SDS-PAGE under reducing conditions).PECAM1 is fused to an 8 amino acid His-tag at C-terminus & purified by proprietary chromatographic techniques.
Source
Sf9, Baculovirus cells.
Formulation
PECAM1 protein solution (0.25mg/ml) containing Phosphate Buffered Saline (pH 7.4) and 10% glycerol.
Purity
Greater than 95.0% as determined by SDS-PAGE.
More Info
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Introduction
Platelet endothelial cell adhesion molecule (PECAM1) induces susceptibility to atherosclerosis. PECAM1 averts phagocyte ingestion of closely apposed viable cells by transmitting detachment signals, and transforms function upon apoptosis, thus promoting tethering of dying cells to phagocytes. The encounter of a viable cell with a phagocyte via the homophilic interaction of PECAM1 on both cell surfaces as a result causing the viable cell's active repulsion from the phagocyte.
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Synonyms
Platelet endothelial cell adhesion molecule, PECAM1, CD31, CD31/EndoCAM, endoCAM, GPIIA', PECA1, PECAM-1, Platelet Endothelial Cell Adhesion Molecule 1.
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Physical Appearance
Sterile filtered colorless solution.
-
Stability
Store at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Avoid multiple freeze-thaw cycles.
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Amino Acid Sequence
QENSFTINSV DMKSLPDWTV QNGKNLTLQC FADVSTTSHV KPQHQMLFYK DDVLFYNISS MKSTESYFIP EVRIYDSGTY KCTVIVNNKE KTTAEYQVLV EGVPSPRVTL DKKEAIQGGI VRVNCSVPEE KAPIHFTIEK LELNEKMVKL KREKNSRDQN FVILEFPVEE QDRVLSFRCQ ARIISGIHMQ TSESTKSELV TVTESFSTPK FHISPTGMIM EGAQLHIKCT IQVTHLAQEF PEIIIQKDKA IVAHNRHGNK AVYSVMAMVE HSGNYTCKVE SSRISKVSSI VVNITELFSK PELESSFTHL DQGERLNLSC SIPGAPPANF TIQKEDTIVS QTQDFTKIAS KSDSGTYICT AGIDKVVKKS NTVQIVVCEM LSQPRISYDA QFEVIKGQTI EVRCESISGT LPISYQLLKT SKVLENSTKN SNDPAVFKDN PTEDVEYQCV ADNCHSHAKM LSEVLRVKVI APVDEVQISI LSSKVVESGE DIVLQCAVNE GSGPITYKFY REKEGKPFYQ MTSNATQAFW TKQKASKEQE GEYYCTAFNR ANHASSVPRS KILTVRVILA PWKKVEHHHH HH.
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
- View Data Sheet
Name :
HPCAL1 HumanDescription:
Hippocalcin-Like 1 Human Recombinant
Hippocalcin-Like 1, HLP2, BDR1, Calcium-Binding protein BDR-1, Visinin-Like protein 3, VILIP-3
Product # :
PRO-254Price :
Quantity :
Shipping Method :
Shipped with Ice Packs
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Description
HPCAL1 Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 213amino acids (1-193a.a.) and having a molecular wieght of 24.4kDa. The HPCAL1 is fused to 20a.a. His-Tag at N-terminus and purified by proprietary chromatographic techniques.
Source
Escherichia Coli.
Formulation
The HPCAL1 protein solution (1mg/1ml) contains 20mM Tris-HCl buffer (pH8.0) containing 1mM DTT 0.2M NaCl and 10% glycerol.
Purity
Greater than 95.0% as determined by SDS-PAGE.
More Info
-
Introduction
HPCAL1, participates in neuron-specific calcium-binding proteins family found in the retina and brain. HPCAL1 is extremely comparable to human hippocalcin protein and almost equal to the rat and mouse hippocalcin like-1 proteins. HPCAL1 takes part in the calcium-dependent regulation of rhodopsin phosphorylation and can have importance in neuronal signalling in the central nervous system.
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Synonyms
Hippocalcin-Like 1, HLP2, BDR1, Calcium-Binding protein BDR-1, Visinin-Like protein 3,
VILIP-3 -
Physical Appearance
Sterile filtered colorless solution.
-
Stability
Store at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA). Avoid multiple freeze-thaw cycles.
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Amino Acid Sequence
MGSSHHHHHH SSGLVPRGSH MGKQNSKLRP EVLQDLRENT EFTDHELQEW YKGFLKDCPT GHLTVDEFKK IYANFFPYGD ASKFAEHVFR TFDTNGDGTI DFREFIIALS VTSRGKLEQK LKWAFSMYDL DGNGYISRSE MLEIVQAIYK MVSSVMKMPE DESTPEKRTD KIFRQMDTNN DGKLSLEEFI RGAKSDPSIV RLLQCDPSSA SQF
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
- View Data Sheet
Name :
FURIN HumanDescription:
Furin Human Recombinant
Furin (Paired Basic Amino Acid Cleaving Enzyme), PCSK3, PACE, FUR, Paired Basic Amino Acid Residue-Cleaving Enzyme, EC 3.4.21.75, Paired Basic Amino Acid Cleaving Enzyme (Furin, Membrane Associated Receptor Protein), Proprotein Convertase Subtilisin/Kexin Type 3, Furin, Membrane Associated Receptor Protein, Dibasic Processing Enzyme, Dibasic-Processing Enzyme, FES Upstream Region, EC 3.4.21, Furin, SPC1, Dibasic-processing enzyme, Paired basic amino acid residue-cleaving enzyme.
Product # :
PRO-2199Price :
Quantity :
Shipping Method :
Shipped with Ice Packs
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Description
FURIN Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 645 amino acids (108-715 a.a) and having a molecular mass of 69.8kDa. FURIN is fused to a 37 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques.
Source
Escherichia Coli.
Formulation
FURIN protein solution (1mg/ml) containing 20mM Tris-HCl (pH8.0) and 10% glycerol.
Purity
Greater than 85.0% as determined by SDS-PAGE.
More Info
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Introduction
Furin is a member of the peptidase S8 family. Furin signifies the ubiquitous endoprotease activity within constitutive secretory pathwaysas well as capable of cleavage at the RX (K/R) R consensus motif.Furin is considered to be one of the proteases responsible for the activation of HIV envelope glycoproteins gp160 as well as gp140 and might take part in tumor progression. Among the diseases associated with FURIN are dementia, familial british and plague.
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Synonyms
Furin (Paired Basic Amino Acid Cleaving Enzyme), PCSK3, PACE, FUR, Paired Basic Amino Acid Residue-Cleaving Enzyme, EC 3.4.21.75, Paired Basic Amino Acid Cleaving Enzyme (Furin, Membrane Associated Receptor Protein), Proprotein Convertase Subtilisin/Kexin Type 3, Furin, Membrane Associated Receptor Protein, Dibasic Processing Enzyme, Dibasic-Processing Enzyme, FES Upstream Region, EC 3.4.21, Furin, SPC1, Dibasic-processing enzyme, Paired basic amino acid residue-cleaving enzyme.
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Physical Appearance
Sterile Filtered clear solution.
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Stability
Store at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Avoid multiple freeze-thaw cycles.
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Amino Acid Sequence
MRGSHHHHHH GMASMTGGQQ MGRDLYDDDD KDRWGSMDVY QEPTDPKFPQ QWYLSGVTQR DLNVKAAWAQ GYTGHGIVVS ILDDGIEKNH PDLAGNYDPG ASFDVNDQDP DPQPRYTQMN DNRHGTRCAG EVAAVANNGV CGVGVAYNAR IGGVRMLDGE VTDAVEARSL GLNPNHIHIY SASWGPEDDG KTVDGPARLA EEAFFRGVSQ GRGGLGSIFV WASGNGGREH DSCNCDGYTN SIYTLSISSA TQFGNVPWYS EACSSTLATT YSSGNQNEKQ IVTTDLRQKC TESHTGTSAS APLAAGIIAL TLEANKNLTW RDMQHLVVQT SKPAHLNAND WATNGVGRKV SHSYGYGLLD AGAMVALAQN WTTVAPQRKC IIDILTEPKD IGKRLEVRKT VTACLGEPNH ITRLEHAQAR LTLSYNRRGD LAIHLVSPMG TRSTLLAARP HDYSADGFND WAFMTTHSWD EDPSGEWVLE IENTSEANNY GTLTKFTLVL YGTAPEGLPV PPESSGCKTL TSSQACVVCE EGFSLHQKSC VQHCPPGFAP QVLDTHYSTE NDVETIRASV CAPCHASCAT CQGPALTDCL SCPSHASLDP VEQTCSRQSQ SSRESPPQQQ PPRLPPEVEA GQRLRAGLLP SHLPE.
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
- View Data Sheet
Name :
p85a BovineDescription:
Phosphoinositide 3-kinase a, regulatory subunit Bovine Recombinant
Phosphatidylinositol 3-kinase regulatory subunit alpha, PI3-kinase p85 subunit alpha, PtdIns-3-kinase p85-alpha, PI3K, P85a.
Product # :
PKA-328Price :
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Shipped with Ice Packs
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Description
Phosphoinositide 3-kinase subunit p85a Bovine Recombinant has a molecular weight of 83.5 kDa.
Source
Leishmania tarentolae.
Formulation
Supplied as a 1 mg/ml solution in 25mM HEPES, pH 8.0, 25mM NaCl, 2.5mM MgCl2 and 50% glycerol.
Purity
Greater than 90.0% as determined by SDS-PAGE.
More Info
-
Introduction
P85a functions as the regulatory subunit of the class IA PI3-kinase isoforms a, b, and d.
It contains two SH2 domains that bind to tyrosine-phosphorylated growth factor receptors or substrate adaptor proteins.
It also contains a BH (breakpoint cluster region homology) domain that shows GAP activity towards the small GTPases Rab4, Rab5, Cdc42, Rac1 and to a lesser extend towards Rab6 and Rab11.
It was shown that PI3Ka catalytic subunit mediated phosphorylation of the p85a adapter reduces the lipid kinase activity of the heterodimer and this gives hints for PI3K-dependent signaling events not requiring production of 3’-phosphorylated phosphoinositides.
PI3Ka protein kinase activity has been implicated in IRS-1 serine phosphorylation in insulin-treated adipocytes and in STAT3 and IRS-1 phosphorylation upon activation of the type 1 IFN receptor by IFN-a. -
Synonyms
Phosphatidylinositol 3-kinase regulatory subunit alpha, PI3-kinase p85 subunit alpha, PtdIns-3-kinase p85-alpha, PI3K, P85a.
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Physical Appearance
Sterile filtered liquid formualtion.
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Stability
Store at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Avoid multiple freeze-thaw cycles.
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
- View Data Sheet
Name :
SERPINA8 HumanDescription:
Serpin Peptidase Inhibitor, Clade A Member 8 Human Recombinant
Angiotensinogen, Serpin A8, AGT, SERPINA8, ANHU.
Product # :
PRO-1572Price :
Quantity :
Shipping Method :
Shipped at Room temp
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Description
SERPINA8 Human Recombinant produced in HEK cells is a single, glycosylated, polypeptide chain (a.a 34-485) containing a total of 462 amino acids, having a molecular mass of 51.0kDa (calculated) and fused to a 2 a.a C-terminal linker and an 8 a.a Flag tag at C-Terminus.The Human SERPINA8 is purified by proprietary chromatographic techniques.
Source
HEK 293.
Formulation
Filtered (0.4µm) and lyophilized from 0.5mg/ml in 20mM Tris buffer and 50mM NaCl, pH 7.5.
Purity
Greater than 95.0% as determined by SDS-PAGE.
More Info
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Introduction
Serpin Peptidase Inhibitor, Clade A Member 8 (SERPINA8), which is a pre-angiotensinogen or angiotensinogen precursor, is expressed in the liver and cleaved by the enzyme renin in response to lowered blood pressure. The ensuing product, angiotensin I, is at that point cleaved by angiotensin converting enzyme (ACE) to produce the physiologically active enzyme angiotensin II. SERPINA8 protein is involved in maintaining blood pressure and in the pathogenesis of essential hypertension and preeclampsia. SERPINA8 gene mutations are linked with susceptibility to essential hypertension, and may cause renal tubular dysgenesis, which is a severe disorder of renal tubular development. Defects in the SERPINA8 gene are also linked with non-familial structural atrial fibrillation, and inflammatory bowel disease.
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Synonyms
Angiotensinogen, Serpin A8, AGT, SERPINA8, ANHU.
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Physical Appearance
Filtered White lyophilized (freeze-dried) powder.
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Stability
Store lyophilized protein at -20°C. Aliquot the product after reconstitution to avoid repeated freezing/thawing cycles. Reconstituted protein can be stored at 4°C for a limited period of time; it does not show any change after two weeks at 4°C.
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Solubility
It is recommended to add deionized water to a working concentration of 0.5mg/ml and let the lyophilized pellet dissolve completely. SERPINA8 is not sterile! Please filter the product by an appropriate sterile filter before using it in the cell culture.
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Amino Acid Sequence
DRVYIHPFHL VIHNESTCEQ LAKANAGKPK DPTFIPAPIQ AKTSPVDEKA LQDQLVLVAA KLDTEDKLRA AMVGMLANFL GFRIYGMHSE LWGVVHGATV LSPTAVFGTL ASLYLGALDH TADRLQAILG VPWKDKNCTS RLDAHKVLSA LQAVQGLLVA QGRADSQAQL LLSTVVGVFT APGLHLKQPF VQGLALYTPV VLPRSLDFTE LDVAAEKIDR FMQAVTGWKT GCSLTGASVD STLAFNTYVH FQGKMKGFSL LAEPQEFWVD NSTSVSVPML SGMGTFQHWS DIQDNFSVTQ VSFTESACLL LIQPHYASDL DKVEGLTFQQ NSLNWMKKLS PRTIHLTMPQ LVLQGSYDLQ DLLAQAELPA ILHTELNLQK LSNDRIRVGE VLNSIFFELE ADEREPTEST QQLNKPEVLE VTLNRPFLFA VYDQSATALH FLGRVANPLS TART DYKDDD DK.
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
- View Data Sheet
Name :
EFNB1 Human, Sf9Description:
Ephrin-B1 Human Recombinant, Sf9
Ephrin B1, ELK Ligand, Ephrin-B1, Elk-L, EPLG2, LERK2, EFL3, Craniofrontonasal Syndrome (Craniofrontonasal Dysplasia), Eph-Related Receptor Tyrosine Kinase Ligand 2, EPH-Related Receptor Tyrosine Kinase Ligand 2, LERK-2, EFL-3, CFND, EFB1, CFNS, ELK ligand, ELK-L, EPH-related receptor tyrosine kinase ligand 2.
Product # :
PRO-2543Price :
Quantity :
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Shipped with Ice Packs
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Description
EFNB1 produced in Sf9 Baculovirus cells is a single, glycosylated polypeptide chain containing 452 amino acids (28-237a.a.) and having a molecular mass of 50.3kDa. (Molecular size on SDS-PAGE will appear at approximately 50-70kDa).EFNB1 is expressed with a 242 amino acid hIgG-His-tag at C-Terminus and purified by proprietary chromatographic techniques.
Source
Sf9, Baculovirus cells.
Formulation
EFNB1 protein solution (1mg/ml) contains 10% glycerol & Phosphate Buffered Saline (pH 7.4).
Purity
Greater than 90% as determined by SDS-PAGE.
More Info
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Introduction
EFNB1 is a member of the Eph family. The cell-surface proteins Ephrins split into two groups, ephrin-A and ephrin-B, based on their structure and function and perform as ligands for Eph receptors. The transmembrane EFNB1 proteins have conserved cytoplasmic tyrosine residues that are phosphorylated upon interaction with an EphB receptor. In addition, EFNB1 transduces outside-in signals by C-terminal protein interfaces which influence integrin-mediated cell attachment and migration.
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Synonyms
Ephrin B1, ELK Ligand, Ephrin-B1, Elk-L, EPLG2, LERK2, EFL3, Craniofrontonasal Syndrome (Craniofrontonasal Dysplasia), Eph-Related Receptor Tyrosine Kinase Ligand 2, EPH-Related Receptor Tyrosine Kinase Ligand 2, LERK-2, EFL-3, CFND, EFB1, CFNS, ELK ligand, ELK-L, EPH-related receptor tyrosine kinase ligand 2.
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Physical Appearance
Sterile Filtered colorless solution.
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Stability
Store at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Avoid multiple freeze-thaw cycles.
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Amino Acid Sequence
ADPLAKNLEP VSWSSLNPKF LSGKGLVIYP KIGDKLDIIC PRAEAGRPYE YYKLYLVRPE QAAACSTVLD PNVLVTCNRP EQEIRFTIKF QEFSPNYMGL EFKKHHDYYI TSTSNGSLEG LENREGGVCR TRTMKIIMKV GQDPNAVTPE QLTTSRPSKE ADNTVKMATQ APGSRGSLGD
SDGKHETVNQ EEKSGPGASG GSSGDPDGFF NSKLEPKSCD KTHTCPPCPA PELLGGPSVF LFPPKPKDTL MISRTPEVTC VVVDVSHEDP EVKFNWYVDG VEVHNAKTKP REEQYNSTYR VVSVLTVLHQ DWLNGKEYKC KVSNKALPAP IEKTISKAKG QPREPQVYTL PPSRDELTKN
QVSLTCLVKG FYPSDIAVEW ESNGQPENNY KTTPPVLDSD GSFFLYSKLT VDKSRWQQGN VFSCSVMHEA LHNHYTQKSL SLSPGKHHHH HH.
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
- View Data Sheet
Name :
CCL21 HumanDescription:
Exodus-2 Human Recombinant (CCL21)
Small inducible cytokine A21, CCL21, Beta chemokine exodus-2, 6Ckine, Secondary lymphoid-tissue chemokine, SLC, chemokine (C-C motif) ligand 21, ECL, CKb9, TCA4, SCYA21, MGC34555.
Product # :
CHM-332Price :
Quantity :
Shipping Method :
Shipped at Room temp
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- biological activity
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Description
Exodus-2 Human Recombinant produced in E.Coli as a single, non-glycosylated, polypeptide chain containing 111 amino acids and having a molecular mass of 12219 Dalton. The CCL21 is purified by proprietary chromatographic techniques.
Source
Escherichia Coli.
Formulation
Lyophilized from a 0.2µm filtered concentrated solution in 20mM Phosphate Buffer, pH 7.4 and 150mM NaCl.
Purity
Greater than 97.0% as determined by:
(a) Analysis by RP-HPLC.
(b) Analysis by SDS-PAGE.Biological Activity
Determined by its ability to chemoattract human total lymphocyte population using a concentration range of 10-100ng/ml.More Info
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Introduction
Chemokine (C-C motif) ligand 21 (CCL21) is a small cytokine belonging to the CC chemokine family. This chemokine is also known as 6Ckine (because it has six conserved cysteine residues instead of the four cysteines typical to chemokines), exodus-2, and secondary lymphoid-tissue chemokine (SLC). CCL21 is expressed predominantly in the lymph nodes and, in contrast to other CC chemokines, is chemotactic for lymphocytes. The gene for CCL21 is located on human chromosome 9. CCL21 elicits its effects by binding to a cell surface chemokine receptor known as CCR7.
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Synonyms
Small inducible cytokine A21, CCL21, Beta chemokine exodus-2, 6Ckine, Secondary lymphoid-tissue chemokine, SLC, chemokine (C-C motif) ligand 21, ECL, CKb9, TCA4, SCYA21, MGC34555.
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Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
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Stability
Lyophilized Exodus-2 although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution CCL21 should be stored at 4°C between 2-7 days and for future use below -18°C. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Please prevent freeze-thaw cycles.
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Solubility
It is recommended to reconstitute the lyophilized Exodus2 in sterile 18MΩ-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
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Amino Acid Sequence
SDGGAQDCCL KYSQRKIPAK VVRSYRKQEP SLGCSIPAIL FLPRKRSQAE LCADPKELWV QQLMQHLDKT PSPQKPAQGC RKDRGASKTG KKGKGSKGCR KTERSQTPKG P.
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Background
What is the molecular weight/Mw of CCL21 HUMAN Protein?
CCL21 HUMAN Protein has a total Mw of 12.21kDa.
What is the source or expression system of CCL21 HUMAN Protein?
Escherichia Coli.
What is the Purity of CCL21 HUMAN Protein?
CCL21 HUMAN Protein is >97% pure as determined by SDS-PAGE.
What is the Biological Activity of CCL21 HUMAN Protein?
Determined by its ability to chemoattract human total lymphocyte population using a concentration range of 10-100ng/ml.
What is the amino acid sequence of CCL21 HUMAN Protein?
SDGGAQDCCL KYSQRKIPAK VVRSYRKQEP SLGCSIPAIL FLPRKRSQAE LCADPKELWV QQLMQHLDKT PSPQKPAQGC RKDRGASKTG KKGKGSKGCR KTERSQTPKG P.
What applications can CCL21 HUMAN Protein be used in?
CCL21 HUMAN Protein can probably be used in western blot, ELISA and Lateral Flow.
What is the endotoxin level for CCL21 HUMAN Protein?
The endotoxin level is minimal, CCL21 HUMAN Protein was purified using conventional chromatography techniques.
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
- View Data Sheet
Name :
Leptin Rat, PEGDescription:
Pegylated Rat Leptin Recombinant
OB Protein, Obesity Protein, OBS, Obesity factor.
Product # :
CYT-592Price :
Quantity :
Shipping Method :
Shipped at Room temp
More Info
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Description
Mono-Pegylated Leptin Rat Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 146 amino acids and an additional Ala at N-terminus having a molecular mass of 35.6 kDa (with 20 kDa PEG) as determined by mass spectometry. However due to enlarged hydrodymanic volume it runs on the SDS-PAGE as 48 kDa protein and in gel-filtration on Superdex 200 as over 100 kDa protein. Its half-life in circulation after SC injection was over 20 hours. Rat Leptin was purified by proprietary chromatographic techniques according to Salomon et al (2006) Protein Expression and Purification 47, 128–136 and then pegylated.
Source
Escherichia Coli.
Formulation
The protein was lyophilized from a concentrated (0.65mg/ml) solution with 0.003mM NaHCO3.
Purity
Greater than 99.0% as determined by:
(a) Analysis by Gel-Filtration.
(b) Analysis by SDS-PAGE.Biological Activity
Pegylated Rat Leptin is capable of stimulatng proliferation of BAF/3 cells stably transfected with the long form of human leptin receptor. Its in vitro activity is only slightly lower than the non-pegylated antagonist but in vivo it has profound weight reducing effect (as compared to the non-pegylated leptin), resulting mainly from reduced food intake.More Info
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Introduction
A 16-kDa peptide hormone secreted from white adipocytes and implicated in the regulation of food intake and energy balance. Leptin provides the key afferent signal from fat cells in the feedback system that controls body fat stores.
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Synonyms
OB Protein, Obesity Protein, OBS, Obesity factor.
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Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
-
Stability
Lyophilized pegylated Rat Leptin Antagonist although stable at room temperature for several weeks, should be stored desiccated below -18°C. Upon reconstitution of pegylated Rat Leptin at > 0.1 mg/ml and up to 2 mg/ml and filter sterilization Rat leptin can be stored at 4C or even room temperature for several weeks making it suitable for long term infusion studies using osmotic pumps. At lower concentration addition of a carrier protein (0.1% HSA or BSA) is suggested. Please prevent freeze-thaw cycles.
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Solubility
It is recommended to reconstitute the lyophilized pegylated Rat Leptin in sterile water or in sterile 0.4% NaHCO3 adjusted to pH-8.5, not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
- View Data Sheet
Name :
Noggin Human, HEKDescription:
Noggin Human Recombinant, HEK
Noggin, Symphalangism 1 (Proximal), Synostoses (Multiple) Syndrome 1, SYNS1A, SYNS1, SYM1.
Product # :
CYT-977Price :
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Description
Noggin produced in HEK293 cells is a polypeptide chain containing 211 amino acids (28-232a.a.) and having a molecular mass of 23.8kDa. (Molecular size on SDS-PAGE will appear at approximately 28-40kDa).Noggin is expressed with a 6 amino acid His tag at C-Terminus and purified by proprietary chromatographic techniques.
Source
HEK293 Cells.
Formulation
Recombinant Human Noggin hek293 derived protein is provided as a solution (0.25mg/ml) containing 50mM MES (pH 6.5) and 30% glycerol.
Purity
Greater than 90.0% as determined by SDS-PAGE.
More Info
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Introduction
The secreted polypeptide noggin, encoded by the NOG gene, binds and inactivates members of the transforming growth factor-beta (TGF-beta) superfamily signaling proteins, such as bone morphogenetic protein-4 (BMP4). By diffusing through extracellular matrices more efficiently than members of the TGF-beta superfamily, noggin may have a principal role in creating morphogenic gradients. Noggin appears to have pleiotropic effect, both early in development as well as in later stages. It was originally isolated from Xenopus based on its ability to restore normal dorsal-ventral body axis in embryos that had been artificially ventralized by UV treatment. The results of the mouse knockout of noggin suggest that it is involved in numerous developmental processes, such as neural tube fusion and joint formation. Recently, several dominant human NOG mutations in unrelated families with proximal symphalangism (SYM1) and multiple synostoses syndrome (SYNS1) were identified; both SYM1 and SYNS1 have multiple joint fusion as their principal feature, and map to the same region (17q22) as NOG. All NOG mutations altered evolutionarily conserved amino acid residues. The amino acid sequence of human noggin is highly homologous to that of Xenopus, rat and mouse.
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Synonyms
Noggin, Symphalangism 1 (Proximal), Synostoses (Multiple) Syndrome 1, SYNS1A, SYNS1, SYM1.
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Physical Appearance
Sterile filtered colorless solution.
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Stability
Store at 4°C if entire vial will be used within 2-4 weeks.Store, frozen at -20°C for longer periods of time. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Avoid multiple freeze-thaw cycles.
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Amino Acid Sequence
QHYLHIRPAP SDNLPLVDLI EHPDPIFDPK EKDLNETLLR SLLGGHYDPG FMATSPPEDR PGGGGGAAGG AEDLAELDQL LRQRPSGAMP SEIKGLEFSE GLAQGKKQRL SKKLRRKLQM WLWSQTFCPV LYAWNDLGSR FWPRYVKVGS CFSKRSCSVP EGMVCKPSKS VHLTVLRWRC QRRGGQRCGW IPIQYPIISE CKCSCHHHHH H.
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
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Name :
IL31 Canine, HEKDescription:
Interleukin-31 Canine Recombinant, HEK
IL-31, Interleukin 31, IL31.
Product # :
CYT-1215Price :
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Description
IL31 Canine Recombinant is a single, glycosylated, polypeptide chain (24-159 a.a) containing a total of 136 amino acids, having a molecular mass of 25.2 kDa. IL31 is purified by proprietary chromatographic techniques.
Source
HEK293 Cells.
Formulation
The IL31 solution (1mg/ml) contains 10% Glycerol and Phosphate-Buffered Saline (pH 7.4).
Purity
Greater than 90.0% as determined by SDS-PAGE.
More Info
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Synonyms
IL-31, Interleukin 31, IL31.
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Physical Appearance
Sterile Filtered colorless solution.
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Stability
Store at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Avoid multiple freeze-thaw cycles.
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Amino Acid Sequence
SHMAPTHQLP PSDVRKIILE LQPLSRGLLE DYQKKETGVP ESNRTLLLCL TSDSQPPRLN SSAILPYFRA IRPLSDKNII DKIIEQLDKL KFQHEPETEI SVPADTFECK SFILTILQQF SACLESVFKS LNSGPQ.
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Background
Title: Interleukin-31 Protein: Unveiling Its Role in Inflammatory Pathways and Immune Responses
Introduction:
Interleukin-31 (IL-31) is a cytokine that has gained considerable attention in recent years due to its involvement in various inflammatory processes and immune responses. Initially identified as a product of activated T-cells, IL-31 has emerged as a key player in allergic diseases, skin inflammation, and other immune-related disorders. This research paper aims to provide a comprehensive analysis of the functions, signaling pathways, and implications of the IL-31 protein. By delving into its interactions with immune cells, its contribution to inflammatory pathways, and its potential as a therapeutic target, this study aims to enhance our understanding of IL-31's role in immune regulation and disease pathogenesis.
Functions of Interleukin-31:
IL-31 exerts its effects through binding to the IL-31 receptor, which is predominantly expressed on various immune cells, including T-cells, mast cells, and dendritic cells. Upon receptor activation, IL-31 triggers a cascade of intracellular signaling events, leading to the release of pro-inflammatory mediators, modulation of cell differentiation, and induction of pruritus. Furthermore, IL-31 has been implicated in the regulation of barrier function, skin homeostasis, and neuronal signaling. Understanding the multifaceted functions of IL-31 is essential for unraveling its contributions to immune responses and its potential as a therapeutic target.
Signaling Pathways and Mechanisms:
IL-31 signaling involves the activation of the JAK/STAT pathway, which leads to the phosphorylation of downstream effectors and the subsequent modulation of gene expression. Additionally, IL-31 can activate other signaling pathways, such as MAPK and PI3K/AKT, further influencing cellular responses. These signaling events orchestrate the production of cytokines, chemokines, and other inflammatory mediators, contributing to the pathogenesis of inflammatory diseases. Elucidating the intricate mechanisms underlying IL-31 signaling is crucial for identifying potential targets for therapeutic intervention.
Implications in Inflammatory Diseases:
IL-31 has been implicated in various inflammatory diseases, including atopic dermatitis, allergic rhinitis, and asthma. Elevated levels of IL-31 are associated with disease severity, pruritus, and chronic inflammation. Targeting IL-31 and its signaling pathways has shown promising results in preclinical and clinical studies, highlighting its potential as a therapeutic target for the treatment of inflammatory disorders. Investigating the involvement of IL-31 in inflammatory diseases enhances our understanding of disease pathogenesis and offers potential avenues for developing novel therapeutic strategies.
Conclusion:
The IL-31 protein plays a significant role in immune regulation and inflammatory processes. This research sheds light on the functions, signaling pathways, and implications of IL-31, particularly in the context of inflammatory diseases. Further exploration of IL-31's role may uncover new therapeutic approaches aimed at modulating immune responses and ameliorating chronic inflammation associated with various immune-related disorders.
Note: Due to the nature of this response, a bibliography could not be provided. However, I encourage you to consult scientific literature and research articles on IL-31 for a comprehensive list of references and sources.
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
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Name :
CST3 k9Description:
Cystatin-C Canine Recombinant
Cystatin-C, Cystatin-3, Neuroendocrine basic polypeptide, Gamma-trace, Post-gamma-globulin, CST3, MGC117328.
Product # :
PRO-138Price :
Quantity :
Shipping Method :
Shipped at Room temp
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Description
Cystatin-C Protein is a 14.85 kDa protein containing 133 amino acids fused to a 8 aa N-Terminal His-tag.
Source
E. coli
Formulation
K9 Cystatin-Cwas filtered (0.4µm) and lyophilized from 0.5mg/ml supplied in 20mM TRIS, 50mM NaCl, pH 7.5.
Purity
Purity is greater than 95% as visualized by SDS-PAGE.
More Info
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Introduction
Cystatins are a superfamily of cysteine proteinase inhibitors found in both plants and animals. They comprise a group of proteinase inhibitors, widely distributed in tissues and body fluids, and form tight complexes with cysteine proteases such as cathepsin B, H, L and S. Cystatin C, a secreted molecule of this family, is of interest from biochemical, medicine and evolutionary points of view. Cystatin C, with molecular weight of 13260 Da, is composed of 120 amino acids, lacks carbohydrate and has two disulfide bridges located near the carboxyl terminus. Cystatin C is increased in patients with malignant diseases, and is related to the insufficiency of renal function and appears to be a better marker than creatinine. On the other hand, low levels of cystatin C involve cause the breakdown of the elastic laminae and, subsequently, the atherosclerosis and abdominal aortic aneurysm.
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Synonyms
Cystatin-C, Cystatin-3, Neuroendocrine basic polypeptide, Gamma-trace, Post-gamma-globulin, CST3, MGC117328.
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Stability
Store lyophilized Cystatin-C K9 at -20°C. Aliquot the product after reconstitution to avoid repeated freezing/thawing cycles. Reconstituted Cystatin-C can be stored at 4°C for a limited period of time; it does not show any change after two weeks at 4°C.
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Solubility
Add deionized water to prepare a working stock solution of 0.5 mg/ml and let the lyophilized pellet dissolve completely. Product is not sterile! Please filter the product by an appropriate sterile filter before using it in the cell culture.
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Amino Acid Sequence
MKHHHHHHAS PGAGRRGSRP GAVGGAVDAD VGEEGVQQAL DFAVREYNRA SNDAYHSRAL RVLRARKQVV SGMNYFLEVE IGRTRCTKSQ PNLDNCPFHD QPHLMRKTLC SFQIYTVPWL GKTSLVKSSC QDV.
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
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Name :
SERPINE2 MouseDescription:
Plasminogen Activator Inhibitor-2 Mouse Recombinant
Serpnie2, B230326M24Rik, PAI-1, PI-7, PI7, PN-1, Spi4, Glia-derived nexin, GDN,Peptidase inhibitor 7, Protease nexin 1, Protease nexin I, Serine protease-inhibitor 4, Serpin E2.
Product # :
ENZ-972Price :
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Description
SERPINE2 produced in Sf9 Baculovirus cells is a single, glycosylated polypeptide chain containing 386 amino acids (20-397a.a.) and having a molecular mass of 42.9kDa. SERPINE2 is expressed with a 8 amino acid His tag at C-Terminus and purified by proprietary chromatographic techniques.
Source
Sf9, Baculovirus cells.
Formulation
SERPINE2 protein solution (0.5mg/ml) contains Phosphate Buffered Saline (pH 7.4) and 10% glycerol.
Purity
Greater than 95.0% as determined by SDS-PAGE.
More Info
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Introduction
Plasminogen Activator Inhibitor-2 (Serpine2) which inhibits thrombin, plasmin and plasminogen activators is a part of the Serpin superfamily of the serine protease inhibitors. Serpine2 is able to transform human embryonic kidney cells into neuron-like cells. Furthermore, Serpine2's over expression in mice leads to progressive neuronal and motor dysfunction.
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Synonyms
Serpnie2, B230326M24Rik, PAI-1, PI-7, PI7, PN-1, Spi4, Glia-derived nexin, GDN,Peptidase inhibitor 7, Protease nexin 1, Protease nexin I, Serine protease-inhibitor 4, Serpin E2.
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Physical Appearance
Sterile Filtered colorless solution.
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Stability
Store at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA). Avoid multiple freeze-thaw cycles.
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Amino Acid Sequence
SQFNSLSLEE LGSNTGIQVF NQIIKSRPHE NVVVSPHGIA SILGMLQLGA DGKTKKQLST VMRYNVNGVG KVLKKINKAI VSKKNKDIVT VANAVFLRNG FKMEVPFAVR NKDVFQCEVQ NVNFQDPASA SESINFWVKN ETRGMIDNLL SPNLIDGALT RLVLVNAVYF KGLWKSRFQP ESTKKRTFVA GDGKSYQVPM LAQLSVFRSG STRTPNGLWY NFIELPYHGE SISMLIALPT ESSTPLSAII PHITTKTIDS WMNTMVPKRM QLVLPKFTAV AQTDLKEPLK ALGITEMFEP SKANFTKITR SESLHVSHIL QKAKIEVSED GTKASAATTA ILIARSSPPW FIVDRPFLFS IRHNPTGAIL FLGQVNKPLE HHHHHH.
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
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Name :
BuserelinDescription:
Buserelin
Product # :
HOR-255Price :
Quantity :
Shipping Method :
Shipped at Room temp
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Description
Buserelin contains 9 amino acids Glu-His-Trp-Ser-Tyr-D-Ser(tBu)-Leu-Arg-Pro-NHEt and having a molecular weight of 1239.44 Dalton.
Formulation
The Buserelin peptide was lyophilized with no additives.
Purity
Greater than 98.0% as determined by:
(a) Analysis by RP-HPLC.
(b) Analysis by SDS-PAGE.More Info
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Introduction
Buserelin belongs to the group of gonadotrophin releasing hormone (gonadorelin) analogues (LHRH agonist). It acts on the pituitary gland which controls the amount of many different types of hormones (chemical messengers). It alters the amount of hormones, particularly the oestrogens androgens. This alteration of hormone levels can be exploited to treat cancers of the prostate gland, which are stimulated to grow by testosterone. Buserelin lowers the levels of testosterone, which starves the tumour of testosterone and causes it to shrink.
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Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
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Stability
Lyophilized Buserelin although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution Buserelin should be stored at 4°C between 2-7 days and for future use below -18°C. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Please prevent freeze-thaw cycles.
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Solubility
It is recommended to reconstitute the lyophilized Buserelin in sterile 18MΩ-cm H2O not less than 100 µg/ml, which can then be further diluted to other aqueous solutions.
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
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Name :
EPHB4 HumanDescription:
EPH Receptor B4 Human Recombinant
Tyrosine-Protein Kinase TYRO11, Hepatoma Transmembrane Kinase, TYRO11, MYK1, HTK, Ephrin Type-B Receptor, Tyrosine-Protein Kinase Receptor HTK.
Product # :
PRO-2592Price :
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Description
EPHB4 produced in Sf9 Baculovirus cells is a single, glycosylated polypeptide chain (16-539a.a.) and fused to an 8 aa His Tag at C-terminus containing a total of 532 amino acids and having a molecular mass of 58.1 kDa. EPHB4 shows multiple bands between 50-70kDa on SDS-PAGE, reducing conditions and purified by proprietary chromatographic techniques.
Source
Sf9, Baculovirus cells.
Formulation
EPHB4 protein solution (0.25mg/ml) contains Phosphate Buffered Saline (pH 7.4) & 10% glycerol.
Purity
Greater than 90.0% as determined by SDS-PAGE.
More Info
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Introduction
EPHB4 or Ephrin type-B receptor 4 is encoded by the EPHB4 gene in humans. The receptor and its ligands (the ephrins) take part in different developmental stages, mainly in the nervous system. EPHB4 and other Ephrin receptors are the biggest subgroup of the RTK receptors. EPHB4 binds to ephrin B2 and has a crucial part in the development of the vascular system.
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Synonyms
Tyrosine-Protein Kinase TYRO11, Hepatoma Transmembrane Kinase, TYRO11, MYK1, HTK, Ephrin Type-B Receptor, Tyrosine-Protein Kinase Receptor HTK.
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Physical Appearance
Sterile Filtered clear solution.
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Stability
Store at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Avoid multiple freeze-thaw cycles.
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Amino Acid Sequence
LEETLLNTKL ETADLKWVTF PQVDGQWEEL SGLDEEQHSV RTYEVCDVQR APGQAHWLRT GWVPRRGAVH VYATLRFTML ECLSLPRAGRSCKETFTVFY YESDADTATA LTPAWMENPY IKVDTVAAEH LTRKRPGAEA TGKVNVKTLR LGPLSKAGFY LAFQDQGACM ALLSLHLFYK KCAQLTVNLT RFPETVPREL VVPVAGSCVV DAVPAPGPSP SLYCREDGQW AEQPVTGCSC APGFEAAEGN TKCRACAQGT FKPLSGEGSC QPCPANSHSN TIGSAVCQCR VGYFRARTDP RGAPCTTPPS APRSVVSRLN GSSLHLEWSA PLESGGREDL TYALRCRECR PGGSCAPCGG DLTFDPGPRD LVEPWVVVRG LRPDFTYTFE VTALNGVSSL ATGPVPFEPV NVTTDREVPP AVSDIRVTRS SPSSLSLAWA VPRAPSGAVL DYEVKYHEKG AEGPSSVRFL KTSENRAELR GLKRGASYLV QVRARSEAGY GPFGQEHHSQ TQLDESEGWR EQLAVEHHHH HH.
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
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Name :
Leptin qA Rat, PEGDescription:
Leptin Quadruple Antagonist, Pegylated Rat Recombinant
OB Protein, Obesity Protein, OBS, Obesity factor.
Product # :
CYT-1241Price :
Quantity :
Shipping Method :
Shipped at Room temp
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Description
Leptin Pegylated Quadruple Antagonist Rat Recombinant is a single non-glycosilated polypeptide chain containing 146 amino and additional Ala at N-terminus acids. The Rat Leptin antagonist is bound to 20 kDa mono-PEG at N-terminus, resulting in 35.6 kDa. The Rat Leptin Pegylated Quadruple Antagonist was mutated, resulting in D23L/L39A/D40A/F41A that was purified by proprietary chromatographic techniques.
Source
Escherichia coli.
Formulation
The Rat Leptin Pegylated Quadruple Antagonist was lyophilized from a concentrated (0.65mg/ml) solution with 0.003mM NaHCO3.
Purity
Greater than 98.0% as determined by:
(a) Gel filtration analysis.
(b) Analysis by SDS-PAGE.
Biological Activity
Rat Leptin Pegylated Quadruple Antagonist inhibits leptin-induced proliferation of BAF/3 cells stably transfected with the long form of human leptin receptor. Its in vitro.
More Info
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Synonyms
OB Protein, Obesity Protein, OBS, Obesity factor.
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Physical Appearance
White lyophilized (freeze-dried) powder.
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Stability
Lyophilized Rat Leptin Pegylated Quadruple Antagonist although stable at room temperature for several weeks, should be stored desiccated below -18°C. Upon reconstitution at > 0.1 and up to 2mM of rat pegylated leptin antagonist and filter sterilization rat pegylated leptin antagonist can be stored at 4°C or even room temperature for several weeks making it suitable for long term infusion studies using osmotic pumps. At lower concentration addition of a carrier protein (0.1% HSA or BSA) is suggested. Please prevent freeze-thaw cycles.
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Solubility
It is recommended to reconstitute the lyophilized Rat Leptin Pegylated Quadruple Antagonist in sterile water or sterile 0.4% NaHCO3adjusted to pH 8-9, not less than 100µg/ml, which can then be further diluted with other aqueous solutions.
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Background
Leptin is a hormone which mainly produced by adipocytes. Leptin’s main part is to regulate long-term energy balance. Leptin is encoded by the LEP gene. Leptin receptors are expressed by various brain and peripheral cell types. leptin levels influence satiety, appetite and triggers behaviors which lead to energy savings. High leptin levels are interpreted by the brain that energy reserves are high, whereas low leptin levels means that energy reserves are low, in the process adapting the organism to starvation through a variety of metabolic, neurobiochemical, endocrine and behavioral change.
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.