Search: 1000 results found for "keratinocyte growth factor"

Description:

Stromal Cell Derived Factor-1 Beta Mouse Recombinant (CXCL12)

SDF-1, CXCL12, Pre-B cell growth-stimulating factor, PBSF, hIRH, chemokine (C-X-C motif) ligand 12, SDF1, SDF1B, TPAR1, SCYB12, SDF-1b, TLSF-b, 12-O-tetradecanoylphorbol 13-acetate repressed protein 1, Thymic lymphoma cell-stimulating factor, TLSF.

Product # :

CHM-326

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Description

Stromal Cell-Derived Factor-1 beta Mouse Recombinant produced in E.Coli is a non-glycosylated, Polypeptide chain containing 72 amino acids and having a molecular mass of 8513 Dalton. The SDF-1b is purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

The CXCL12 protein was lyophilized from a concentrated (1mg/ml) sterile solution containing no additives.

Purity

Greater than 98.0% as determined by:
(a) Analysis by RP-HPLC.
(b) Analysis by SDS-PAGE.

Biological Activity

The specific activity as determined by its ability to chemoattract human monocytes at 50-100ng/ml corresponding to a Specific Activity of 10,000-20,000IU/mg.

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Introduction
SDF-1 (stromal cell-derived factor-1) is small cytokine belonging to the chemokine family that is officially designated Chemokine (C-X-C motif) ligand 12 (CXCL12). It is produced in two forms, SDF-1?/CXCL12a and SDF-1?/CXCL12b, by alternate splicing of the same gene. Chemokines are characterized by the presence of four conserved cysteines, which form two disulfide bonds. The CXCL12 proteins belong to the group of CXC chemokines, whose initial pair of cysteines are separated by one intervening amino acid. CXCL12 is strongly chemotactic for lymphocytes and has been implicated as an important cell co-ordinator during development. During embryogenesis it directs the migration of hematopoietic cells from foetal liver to bone marrow. Mice which were knocked-out for CXCL12 gene were lethal before the birth or within just 1 hour of life. As another role, CXCL12a alters also the electrophysiology of neurons. CXCL12 was shown to be expressend in many tissues in mice (including brain, thymus, heart, lung, liver, kidney, spleen and bone marrow).
The receptor for this chemokine is CXCR4, which was previously called fusin. This CXCL12-CXCR4 interaction used to be considered exclusive (unlike for other chemokines and their receptors), but recently it was suggested that CXCL12 is also bound by CXCR7 receptor.
The gene for CXCL12 is located on human chromosome 10. In human and mouse both CXCL12 and CXCR4 show high identity of sequence: 99% and 90%, respectively.
Synonyms
SDF-1, CXCL12, Pre-B cell growth-stimulating factor, PBSF, hIRH, chemokine (C-X-C motif) ligand 12, SDF1, SDF1B, TPAR1, SCYB12, SDF-1b, TLSF-b, 12-O-tetradecanoylphorbol 13-acetate repressed protein 1, Thymic lymphoma cell-stimulating factor, TLSF.
Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Stability
Lyophilized SDF-1b although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution CXCL12 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.
Solubility
It is recommended to reconstitute the lyophilized Stromal Cell-Derived Factor-1b in sterile 18MΩ-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
Amino Acid Sequence
The sequence of the first five N-terminal amino acids was determined and was found to be Lys-Pro-Val-Ser-Leu.

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.

Description:

Cytokeratin 5, Mouse Anti Human

Keratin 5, KRT5, EBS2, Epidermolysis Bullosa Simplex 2 Dowling-Meara/Kobner/Weber-Cockayne Types, Keratin 5 (Epidermolysis Bullosa Simplex,Dowling-Meara/Kobner/Weber-Cockayne Types), 58 KDa Cytokeratin, Type-II Keratin Kb5, CK-5, K5, DDD1, CK5, DDD, KRT5A, cytokeratin-5, Keratin, Type II Cytoskeletal 5, Cytokeratin-5, Keratin-5.

Product # :

ANT-588

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Formulation

1mg/ml containing PBS, pH-7.4, 10% Glycerol and 0.02% Sodium Azide.

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Introduction
Cytokeratin 5 (KRT5) belongs to the keratin gene family. The type II cytokeratins are comprised of basic or neutral proteins which are arranged in pairs of heterotypic keratin chains coexpressed throughout differentiation of simple and stratified epithelial tissues. The type II cytokeratins are clustered in a region of chromosome 12q12-q13. The KRT5 type II cytokeratin is specifically expressed in the basal layer of the epidermis with family member KRT14. Mutations in these genes are linked with a complex of diseases termed epidermolysis bullosa simplex.
Synonyms
Keratin 5, KRT5, EBS2, Epidermolysis Bullosa Simplex 2 Dowling-Meara/Kobner/Weber-Cockayne Types, Keratin 5 (Epidermolysis Bullosa Simplex,Dowling-Meara/Kobner/Weber-Cockayne Types), 58 KDa Cytokeratin, Type-II Keratin Kb5, CK-5, K5, DDD1, CK5, DDD, KRT5A, cytokeratin-5, Keratin, Type II Cytoskeletal 5, Cytokeratin-5, Keratin-5.
Physical Appearance
Sterile filtered colorless solution.
Immunogen
Anti-human KRT5 mAb, is derived from hybridization of mouse F0 myeloma cells with spleen cells from BALB/c mice immunized with a recombinant human KRT5 protein 1-590 amino acids purified from E. coli.
Ig Subclass
Mouse IgG2a heavy chain and k light chain.
Clone
PAT12C4AT.
Applications
KRT5 antibody has been tested by ELISA, Western blot analysis, ICC/IF and Flow cytometry to assure specificity and reactivity. Since application varies, however, each investigation should be titrated by the reagent to obtain optimal results.
Type
Mouse Anti Human Monoclonal.
Storage Procedures
For periods up to 1 month store at 4°C, for longer periods of time, store at -20°C. Prevent freeze thaw cycles.
Purification Method
KRT5 antibody was purified from mouse ascitic fluids by protein-A affinity chromatography.

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.

Description:

Leptin Quadruple Antagonist Pegylated Human Recombinant

Product # :

CYT-1251

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Description

Leptin Pegylated Quadruple Antagonist Human Recombinant is a single non-glycosilated polypeptide chain containing 146 amino and an additional Ala at N-terminus acids. The Human Leptin antagonist is bound to 20 kDa mono-PEG at N-terminus, resulting in 35.6 kDa. The Human Leptin Pegylated Quadruple Antagonist was mutated, resulting in D23L/L39A/D40A/F41A that was purified by proprietary chromatographic techniques.

Source

Escherichia coli.

Formulation

The Human 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

Human 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 activity is 6-8 fold lower than the non-pegylated human leptin antagonist but in vivo it has profound weight gain effect (as compared to the non-pegylated human leptin antagonist), resulting mainly from increased food intake. The in vivo activity of human pegylated super leptin antagonist was compared to that of human pegylated leptin antagonist is 9-27 fold higher.

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Physical Appearance
White lyophilized (freeze-dried) powder.
Stability
Lyophilized Human 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 Human pegylated leptin antagonist and filter sterilization Human 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.
Solubility
It is recommended to reconstitute the lyophilized Human Leptin Pegylated Quadruple Antagonist in sterile water or sterile 0.4% NaHCO3 adjusted to pH 8-9, not less than 100µg/ml, which can then be further diluted with other aqueous solutions.
Background
Leptin is a~16 kDa protein which is encoded by the obese gene. Leptin is a hormone which participates in regulating body weight, reproductive function and metabolism. leptin is expressed predominantly by adipocytes, which supports the idea that body weight is sensed as the total mass of fat in the body. Smaller amounts of leptin are also secreted by cellsin the epithelium of the stomach and in the placenta. Leptin receptors are highly expressed in areas of the hypothalamus which regulates body weight, as well as in T lymphocytes and vascular endothelial cells.
Protein content
Protein quantization was carried out by UV spectroscopy at 280 nm using the absorbency value of 0.88 as the extinction coefficient for a 0.1% (1mg/ml) solution at pH 8.0. This value is calculated by the PC GENE computer analysis program of protein sequences (IntelliGenetics).

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.

Description:

NF-kappa-B Inhibitor Alpha Human Recombinant

Nuclear factor of kappa light polypeptide gene enhancer in B-cells inhibitor alpha, nuclear factor of kappa light chain gene enhancer in B-cells, IKBA, I-kappa-B-alpha, IkappaBalpha, ikB-alpha, NFKBI, MAD-3, Major histocompatibility complex enhancer-binding protein MAD3, NF-kappa-B inhibitor alpha.

Product # :

PRO-960

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Description

NFKBIA Human Recombinant produced in E.coli is a single, non-glycosylated polypeptide chain containing 337 amino acids (1-317) and having a molecular mass of 37.7 kDa.NFKBIA is fused to a 20 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques.

Source

E.coli.

Formulation

The NFKBIA solution (0.5mg/ml) contains 20mM Tris-HCl buffer (pH 8.0), 1mM DTT, 0.1M NaCl and 20% glycerol.

Purity

Greater than 90% as determined by SDS-PAGE.

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Introduction
NFKBIA belongs to the I-kappa-B family of proteins which is separated into four groups (IkB-a, IkB-b, IkB-g, IkB-e). NFKBIA inhibits the NFkB complex by binding and impounding it in the cytoplasm. When stimulated, NFKBIA is phosphorylated on serine residues targeting it for degradation by the ubiquitin pathway.
Synonyms
Nuclear factor of kappa light polypeptide gene enhancer in B-cells inhibitor alpha, nuclear factor of kappa light chain gene enhancer in B-cells, IKBA, I-kappa-B-alpha, IkappaBalpha, ikB-alpha, NFKBI, MAD-3, Major histocompatibility complex enhancer-binding protein MAD3, NF-kappa-B inhibitor alpha.
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.
Amino Acid Sequence
MGSSHHHHHH SSGLVPRGSH MFQAAERPQE WAMEGPRDGL KKERLLDDRH DSGLDSMKDE EYEQMVKELQ EIRLEPQEVP RGSEPWKQQL TEDGDSFLHL AIIHEEKALT MEVIRQVKGD LAFLNFQNNL QQTPLHLAVI TNQPEIAEAL LGAGCDPELR DFRGNTPLHL ACEQGCLASV GVLTQSCTTP HLHSILKATN YNGHTCLHLA SIHGYLGIVE LLVSLGADVN AQEPCNGRTA LHLAVDLQNP DLVSLLLKCG ADVNRVTYQG YSPYQLTWGR PSTRIQQQLG QLTLENLQML PESEDEESYD TESEFTEFTE DELPYDDCVF GGQRLTL

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.

Description:

Cleavage Stimulation Factor 1 Human Recombinant

Cleavage stimulation factor subunit 1, CF-1 50 kDa subunit, Cleavage stimulation factor 50 kDa subunit, CSTF 50 kDa subunit, CstF-50, CSTF1, CstFp50.

Product # :

PRO-1170

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Description

CSTF1 Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 439 amino acids (1-431 a.a) and having a molecular mass of 49.4kDa.CSTF1 is fused to an 8 amino acid His-tag at C-terminus & purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

CSTF1 protein solution (1mg/ml) containing 20mM Tris-HCl buffer (pH8.0), 20% glycerol, 0.1M NaCl and 2M urea.

Purity

Greater than 90% as determined by SDS-PAGE.

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Introduction
Cleavage stimulation factor subunit 1 (CSTF1) is involved in the polyadenylation and 3'end cleavage of pre-mRNAs. The CSTF1 gene encodes one of three subunits which merge to produce cleavage stimulation factor (CSTF). Like the mammalian G protein beta subunits, CSTF1 contains transducin-like repeats. CSTF1 is one of the numerous factors necessary for polyadenylation and 3'-end cleavage of mammalian pre-mRNAs. CSTF1 is responsible for the interaction of CSTF with other factors to create a stable complex on the pre-mRNA.
Synonyms
Cleavage stimulation factor subunit 1, CF-1 50 kDa subunit, Cleavage stimulation factor 50 kDa subunit, CSTF 50 kDa subunit, CstF-50, CSTF1, CstFp50.
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.
Amino Acid Sequence
MYRTKVGLKD RQQLYKLIIS QLLYDGYISI ANGLINEIKP QSVCAPSEQL LHLIKLGMEN DDTAVQYAIG RSDTVAPGTG IDLEFDADVQ TMSPEASEYE TCYVTSHKGP CRVATYSRDG QLIATGSADA SIKILDTERM LAKSAMPIEV MMNETAQQNM ENHPVIRTLY DHVDEVTCLA FHPTEQILAS GSRDYTLKLF DYSKPSAKRA FKYIQEAEML RSISFHPSGD FILVGTQHPT LRLYDINTFQ CFVSCNPQDQ HTDAICSVNY NSSANMYVTG SKDGCIKLWD GVSNRCITTF EKAHDGAEVC SAIFSKNSKY ILSSGKDSVA KLWEISTGRT LVRYTGAGLS GRQVHRTQAV FNHTEDYVLL PDERTISLCC WDSRTAERRN LLSLGHNNIV RCIVHSPTNP GFMTCSDDFR ARFWYRRSTT DVEHHHHHH.

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.

Description:

Karyopherin Beta 1 Human Recombinant

Importin subunit beta-1, Importin-90, Karyopherin subunit beta-1, Nuclear factor p97, Pore targeting complex 97kDa subunit, PTAC97, KPNB1, NTF97.

Product # :

PRO-1001

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Description

KPNB1 Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 899 amino acids (1-876 a.a.) and having a molecular mass of 99.6kDa. KPNB1 is fused to a 23 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques.

Source

E.coli.

Formulation

KPNB1 protein solution (0.25mg/ml) containing 20mM Tris-HCl buffer (pH 8.0), 1mM DTT, 30% glycerol and 0.1M NaCl.

Purity

Greater than 85% as determined by SDS-PAGE.

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Introduction
KPNB1 is a member of the importin beta family. The KPNB1 protein is engaged in nuclear protein import, either by coupling itself with an adapter protein (e.g., importin-alpha subunit which binds to nuclear localization signals (NLS) in cargo substrates), or by functioning autonomously as a nuclear transport receptor (acts as NLS receptor, docking of the importin/substrate complex to the nuclear pore complex).
Synonyms
Importin subunit beta-1, Importin-90, Karyopherin subunit beta-1, Nuclear factor p97, Pore targeting complex 97kDa subunit, PTAC97, KPNB1, NTF97.
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.
Amino Acid Sequence
MGSSHHHHHH SSGLVPRGSH MGSMELITIL EKTVSPDRLE LEAAQKFLER AAVENLPTFL VELSRVLANP GNSQVARVAA GLQIKNSLTS KDPDIKAQYQ QRWLAIDANA RREVKNYVLQ TLGTETYRPS SASQCVAGIA CAEIPVNQWP ELIPQLVANV TNPNSTEHMK ESTLEAIGYI CQDIDPEQLQ DKSNEILTAI IQGMRKEEPS NNVKLAATNA LLNSLEFTKA NFDKESERHF IMQVVCEATQ CPDTRVRVAA LQNLVKIMSL YYQYMETYMG PALFAITIEA MKSDIDEVAL QGIEFWSNVC DEEMDLAIEA SEAAEQGRPP EHTSKFYAKG ALQYLVPILT QTLTKQDEND DDDDWNPCKA AGVCLMLLAT CCEDDIVPHV LPFIKEHIKN PDWRYRDAAV MAFGCILEGP EPSQLKPLVI QAMPTLIELM KDPSVVVRDT AAWTVGRICE LLPEAAINDV YLAPLLQCLI EGLSAEPRVA SNVCWAFSSL AEAAYEAADV ADDQEEPATY CLSSSFELIV QKLLETTDRP DGHQNNLRSS AYESLMEIVK NSAKDCYPAV QKTTLVIMER LQQVLQMESH IQSTSDRIQF NDLQSLLCAT LQNVLRKVQH QDALQISDVV MASLLRMFQS TAGSGGVQED ALMAVSTLVE VLGGEFLKYM EAFKPFLGIG LKNYAEYQVC LAAVGLVGDL CRALQSNIIP FCDEVMQLLL ENLGNENVHR SVKPQILSVF GDIALAIGGE FKKYLEVVLN TLQQASQAQV DKSDYDMVDY LNELRESCLE AYTGIVQGLK GDQENVHPDV MLVQPRVEFI LSFIDHIAGD EDHTDGVVAC AAGLIGDLCT AFGKDVLKLV EARPMIHELL TEGRRSKTNK AKTLATWATK ELRKLKNQA.

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.

Description:

Placental Lactogen Ovine Recombinant

Chorionic Somatomammotropin Hormone 1, CSH1, CS-1, hCS, PL.

Product # :

CYT-512

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Description

Placental Lactogen Ovine Recombinant, is a single polypeptide chain containing 199 amino acids and an additional Ala at the N-terminus having a molecular mass of 23 kDa. Placental Lactogen Recombinant is purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

The protein was lyophilized from a concentrated (1mg/ml) solution with 0.02-0.03% NaHCO3.

Purity

Greater than 97.0% as determined by:
(a) Analysis gel filtration.
(b) Analysis by SDS-PAGE.

Biological Activity

Placental Lactogen Ovine is biologically active as evidenced by inducing proliferation of Nb2 cells.

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Introduction
Placental Lactogen is a polypeptide hormone that is produced by the Syncytiotrophoblasts of the Placenta, also known as chorionic somatomammotropin. It has both Growth Hormone and Prolactin activities on growth, lactation, and luteal steroid production. In women, placental lactogen secretion begins soon after implantation and increases to 1 g or more a day in late pregnancy. Placental lactogen is also an insulin antagonist.
Placental Lactogen Ovine is also capable of activating human and other heterologous GH receptors but not ruminat GH receptors.
Synonyms
Chorionic Somatomammotropin Hormone 1, CSH1, CS-1, hCS, PL.
Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Stability
Lyophilized Placental Lactogen Ovine Recombinant although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution Placental Lactogen 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.
Solubility
It is recommended to reconstitute the lyophilized Placental Lactogen in sterile 18MΩ-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
Amino Acid Sequence
The sequence of the first five N-terminal amino acids was determined and was found to be Ala-Gln-His-Pro-Pro.
Protein content
UV spectroscopy at 280 nm using the absorbency value of 0.85 as the extinction coefficient for a 0.1% (1mg/ml) solution. This value is calculated by the PC GENE computer analysis program of protein sequences (IntelliGenetics).

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.

Description:

Growth and Differentiation factor 7 Mouse Recombinant

Growth/differentiation factor 7, GDF-7, Gdf7.

Product # :

CYT-946

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Description

GDF7 Mouse Recombinant produced in E.coli is a non-glycosylated disulfide linked homodimer containing 2 chains of 146 amino acids and having a molecular mass of 29.8kDa.The GDF-7 is purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

GDF7 protein was lyophilized from a 0.2µm filtered concentrated solution in 30% Acetonitrile and 0.1% TFA.

Purity

Greater than 95.0% as determined by:
(a) Analysis by RP-HPLC.
(b) Analysis by SDS-PAGE.

Biological Activity

The ED₅₀ as determined by inducing alkaline phosphatase production of murine ATDC5 cells is less than 0.5µg/ml, corresponding to a specific activity of > 2000 IU/mg.

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Introduction
Growth Differentiation Factor-7 (GDF-7) belongs to the BMP family of TGF-b superfamily proteins. GDF7 elicits its bioactivity via a heterodimeric receptor complex comprised of a type 1 (BMPR-IB) and a type II (BMPR-II or Activin RII) serine/threonine kinase receptor. GDF7 signaling results in the phosphorylation and activation of Smad proteins. GDF-7 is also involved in tendon and ligament formation and repair. In addition, GDF7 regulates bone formation, mesenchymal stem cell differentiation, neuronal differentiation, and axon guidance.
Synonyms
Growth/differentiation factor 7, GDF-7, Gdf7.
Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Stability
Lyophilized GDF7 although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution GDF-7 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.
Solubility
It is recommended to reconstitute the lyophilized GDF-7 in sterile 18M-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
Amino Acid Sequence
TALAGTRGAQ GSGGGGGGGG GGGGGGGGGG GGAGRGHGRR GRSRCSRKSL HVDFKELGWD DWIIAPLDYE AYHCEGVCDF PLRSHLEPTN HAIIQTLLNS MAPDAAPASC CVPARLSPIS ILYIDAANNV VYKQYEDMVV EACGCR.
Background
What is the molecular weight/Mw of GDF7 Protein?
GDF7 Protein has a total Mw of 29.8kDa.

What is the source or expression system of GDF7 Protein?
Escherichia Coli.

What is the Purity of GDF7 Protein?
GDF7 Protein is >95% pure as determined by SDS-PAGE.

What is the Biological Activity of GDF7 Protein?
The ED50 as determined by inducing alkaline phosphatase production of murine ATDC5 cells is less than 0.5µg/ml, corresponding to a specific activity of > 2000 IU/mg.

What is the amino acid sequence of GDF7 Protein?
TALAGTRGAQ GSGGGGGGGG GGGGGGGGGG GGAGRGHGRR GRSRCSRKSL HVDFKELGWD DWIIAPLDYE AYHCEGVCDF PLRSHLEPTN HAIIQTLLNS MAPDAAPASC CVPARLSPIS ILYIDAANNV VYKQYEDMVV EACGCR.

What applications can GDF7 Protein be used in?
GDF7 Protein can probably be used in western blot, ELISA and Lateral Flow.

What is the endotoxin level for GDF7 Protein?
The endotoxin level is minimal, GDF7 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.

Description:

CD70 Human Recombinant, sf9

CD70 Molecule, Tumor Necrosis Factor (Ligand) Superfamily, Member 7, Tumor Necrosis Factor Ligand Superfamily Member 7 , CD27 Ligand, CD27LG, TNFSF7, CD27-L, CD27L, Tumor Necrosis Factor Ligand 8A, Surface Antigen CD70, Ki-24 Antigen, CD70 Antigen, TNLG8A.

Product # :

CYT-953

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Description

TNFSF7 produced in Sf9 Baculovirus cells is a single, glycosylated polypeptide chain containing 164 amino acids (39-193 a.a.) and having a molecular mass of 18.2kDa. TNFSF7 is expressed with a 6 amino acid His tag at C-Terminus and purified by proprietary chromatographic techniques.

Source

Sf9, Baculovirus cells.

Formulation

TNFSF7 protein solution (0.25mg/ml) contains Phosphate Buffered Saline (pH 7.4) and 10% glycerol.

Purity

Greater than 90.0% as determined by SDS-PAGE.

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Introduction
CD70 also known as TNFSF7 is a cytokine which binds to CD27. TNFSF7 takes part in T-cell activation as well as induces the proliferation of costimulated T-cells. Moreover, TNFSF7 enhances the generation of cytolytic T-cells. Among the diseases which are associated with TNFSF7: Include acute myocarditis & Myocarditis.
Synonyms
CD70 Molecule, Tumor Necrosis Factor (Ligand) Superfamily, Member 7, Tumor Necrosis Factor Ligand Superfamily Member 7 , CD27 Ligand, CD27LG, TNFSF7, CD27-L, CD27L, Tumor Necrosis Factor Ligand 8A, Surface Antigen CD70, Ki-24 Antigen, CD70 Antigen, TNLG8A.
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.
Amino Acid Sequence
ADPQRFAQAQ QQLPLESLGW DVAELQLNHT GPQQDPRLYW QGGPALGRSF LHGPELDKGQ LRIHRDGIYM VHIQVTLAIC SSTTASRHHP TTLAVGICSP ASRSISLLRL SFHQGCTIAS QRLTPLARGD TLCTNLTGTL LPSRNTDETF FGVQWVRPHH HHHH.

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.

Description:

Small EDRK-Rich Factor 2 Human Recombinant

Small EDRK-rich factor 2, Gastric cancer-related protein VRG107, Protein 4F5-related, 4F5re, h4F5rel, FAM2C, HsT17089.

Product # :

PRO-1730

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Description

SERF2 Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 82 amino acids (1-59 a.a) and having a molecular mass of 9.3kDa.SERF2 is fused to a 23 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

SERF2 protein solution (0.25mg/ml) containing 20mM Tris-HCl buffer (pH 8.0), 0.15M NaCl and 30% glycerol.

Purity

Greater than 85.0% as determined by SDS-PAGE.

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Introduction
SERF2 (small EDRK-rich factor 2) is a member of the SERF family. SERF2 is a protein-coding gene. Among the diseases associated with SERF2 are spinal muscular atrophy, and muscular atrophy.
Synonyms
Small EDRK-rich factor 2, Gastric cancer-related protein VRG107, Protein 4F5-related, 4F5re, h4F5rel, FAM2C, HsT17089.
Physical Appearance
Sterile Filtered clear 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.
Amino Acid Sequence
MGSSHHHHHH SSGLVPRGSH MGSMTRGNQR ELARQKNMKK QSDSVKGKRR DDGLSAAARK QRDSEIMQQK QKKANEKKEE PK

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.

Description:

Oncostatin-M Human Recombinant (195 a.a.)

OSM, MGC20461, Oncostatin M.

Product # :

CYT-735

Price :

Quantity :

Shipping Method :

Shipped at Room temp

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Description

Oncostatin-M Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 195 amino acids and having a molecular mass of 22kDa. The OSM is purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

Lyophilized from a concentrated (1mg/ml) solution containing 1xPBS pH-7.4.

Purity

Greater than 97.0% as determined by:
(a) Analysis by RP-HPLC.
(b) Analysis by SDS-PAGE.

Biological Activity

The ED₅₀ as determined by the dose-dependent stimulation of the proliferation of human TF-1 cells is < 0.2ng/ml, corresponding to a specific activity of > 5.0x10⁶ units/mg.

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Introduction
Oncostatin M is a member of a cytokine family that includes leukemia-inhibitory factor, granulocyte colony-stimulating factor, and interleukin 6. This gene encodes a growth regulator which inhibits the proliferation of a number of tumor cell lines. It regulates cytokine production, including IL-6, G-CSF and GM-CSF from endothelial cells.
Synonyms
OSM, MGC20461, Oncostatin M.
Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Stability
Lyophilized Oncostatin M although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution Oncostatin 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.
Solubility
It is recommended to reconstitute the lyophilized Oncostatin M in sterile 18MΩ-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
Amino Acid Sequence
AAIGSCSKEY RVLLGQLQKQ TDLMQDTSRL LDPYIRIQGL DVPKLREHCR ERPGAFPSEE TLRGLGRRGF LQTLNATLGC VLHRLADLEQ RLPKAQDLER SGLNIEDLEK LQMARPNILG LRNNIYCMAQ LLDNSDTAEP TKAGRGASQP PTPTPASDAF QRKLEGCRFL HGYHRFMHSV GRVFSKWGES PNRSR.

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.

Description:

GM-CSF Receptor Alpha Human Recombinant

CD116, CDw116, CSF2R, GM-CSF-R-alpha, GMCSFR, GMR, SMDP4, GMR-alpha, CD116 Antigen, CSF2RAX, CSF2RY, CSF2RAY, CSF2RX, Colony Stimulating Factor 2 Receptor Alpha Subunit, GM-CSF Receptor Alpha Subunit, Granulocyte-Macrophage Colony-Stimulating Factor Receptor Alpha Chain, Granulocyte-Macrophage Colony-Stimulating Factor Receptor Subunit Alpha.

Product # :

CYT-796

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sds-page

Description

CSF2RA Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 324 amino acids (20-320 a.a) and having a molecular mass of 37.2kDa.CSF2RA is fused to a 23 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

CSF2RA protein solution (1mg/ml) containing 20mM Tris-HCl buffer (pH 8.0), 0.4M urea and 10% glycerol.

Purity

Greater than 85.0% as determined by SDS-PAGE.

sds-page

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Introduction
GM-CSF Receptor Alpha (CSF2RA) is the alpha subunit of the heterodimeric receptor for colony stimulating factor 2, a cytokine which controls the production, differentiation, and function of granulocytes and macrophages. CSFR2 is also a member of the cytokine family of receptors. In addition, this gene is found in the pseudoautosomal region (PAR) of the X and Y chromosomes. Multiple transcript variants encoding various isoforms have been found for this gene, while some of the isoforms being membrane-bound and others being soluble. Diseases associated with CSF2RA include surfactant metabolism dysfunction, pulmonary 4, and csf2ra-related pulmonary surfactant metabolism dysfunction.
Synonyms
CD116, CDw116, CSF2R, GM-CSF-R-alpha, GMCSFR, GMR, SMDP4, GMR-alpha, CD116 Antigen, CSF2RAX, CSF2RY, CSF2RAY, CSF2RX, Colony Stimulating Factor 2 Receptor Alpha Subunit, GM-CSF Receptor Alpha Subunit, Granulocyte-Macrophage Colony-Stimulating Factor Receptor Alpha Chain, Granulocyte-Macrophage Colony-Stimulating Factor Receptor Subunit Alpha.
Physical Appearance
Sterile Filtered clear 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.
Background
Unlocking the Potential of Human Recombinant Ciliary Neurotrophic Factor Receptor: Implications and Applications
Abstract:
The Ciliary Neurotrophic Factor Receptor (CNTFR) plays a pivotal role in mediating the effects of ciliary neurotrophic factor (CNTF) on neuronal survival and growth. This paper examines the significance of Human Recombinant CNTFR, its production techniques, and its potential applications in neurobiology and therapeutic interventions. The review underscores CNTFR's crucial role in advancing neuroprotection and neuroregeneration research.
Introduction:
CNTFR, a transmembrane protein, is central to transducing the signals initiated by CNTF. Availability of Human Recombinant CNTFR enables researchers to dissect its contribution to neuronal function and develop targeted therapies for neurodegenerative disorders. CNTFR's role in modulating neuronal health and promoting regeneration makes it a cornerstone in neurobiology.
Role in CNTF Signaling:
CNTFR forms a receptor complex with other proteins, including gp130 and LIFRβ, to bind CNTF and trigger downstream signaling pathways. Activation of intracellular cascades, such as JAK/STAT and MAPK, is instrumental in driving the neuroprotective and growth-promoting effects of CNTF.
Production Methods:
Human Recombinant CNTFR is generated through gene expression in suitable host cells, often utilizing bacterial or mammalian systems. Ensuring accurate folding and post-translational modifications is crucial to preserve its functionality and affinity for CNTF.
Therapeutic Applications:
Human Recombinant CNTFR holds promise for therapeutic applications in neurodegenerative diseases, including amyotrophic lateral sclerosis (ALS), multiple sclerosis, and retinal degeneration. Manipulating CNTFR-associated signaling presents opportunities to bolster neuronal survival and regeneration, potentially revolutionizing patient care.
Challenges and Future Directions:
While the potential is significant, challenges encompass optimizing CNTFR-CNTF interactions, effective tissue delivery, and understanding potential off-target effects. Ongoing research is paramount to unravel the complete mechanisms of CNTFR-mediated signaling and its therapeutic implications.
Conclusion:
Human Recombinant Ciliary Neurotrophic Factor Receptor emerges as a vital tool in advancing our grasp of neuroprotection and regeneration. Its capacity to modulate CNTF effects opens doors to innovative therapeutic strategies for addressing neurodegenerative disorders, embodying the intersection of molecular insights and clinical progress.
What is the molecular weight/Mw of CD116 Protein?
CD116 Protein has a total Mw of 37.2kDa.

What is the source or expression system of CD116 Protein?
Escherichia Coli.

What is the Purity of CD116 Protein?
CD116 Protein is >85% pure as determined by SDS-PAGE.

What is the Biological Activity of CD116 Protein?
The biological functionality of CD116 Protein will be determined in the future.

What is the amino acid sequence of CD116 Protein?
CD116 Protein is composed from 324 amino acids.

What applications can CD116 Protein be used in?
CD116 Protein can probably be used in western blot, ELISA and Lateral Flow.

What is the endotoxin level for CD116 Protein?
The endotoxin level is minimal, CD116 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.

Description:

Pyruvate Kinase I E.Coli Recombinant

Pyruvate kinase I, PK-1, pykF, b1676, JW1666.

Product # :

PKA-028

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Shipping Method :

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Description

pykF E.Coli Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 494 amino acids (1-470 a.a) and having a molecular mass of 53.3kDa.pykF is fused to a 24 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques.

Source

E.coli.

Formulation

pykF protein solution (1mg/ml) containing 20mM Tris-HCl buffer (pH8.0) and 10% glycerol.

Purity

Greater than 95% as determined by SDS-PAGE.

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Introduction
pykF (pyruvate kinase I) is a member of the pyruvate kinase family. pykF is an enzyme involved in glycolysis. pykF catalyzes the transfer of a phosphate group from phosphoenolpyruvate (PEP) to ADP, yielding one molecule of pyruvate and one molecule of ATP, a process which also requires a Magnesium ion. This is the final step in the glycolytic pathway, which produces pyruvate molecules, the ultimate product of aerobic glycolysis.
Synonyms
Pyruvate kinase I, PK-1, pykF, b1676, JW1666.
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.
Amino Acid Sequence
MGSSHHHHHH SSGLVPRGSH MGSHMKKTKI VCTIGPKTES EEMLAKMLDA GMNVMRLNFS HGDYAEHGQR IQNLRNVMSK TGKTAAILLD TKGPEIRTMK LEGGNDVSLK AGQTFTFTTD KSVIGNSEMV AVTYEGFTTD LSVGNTVLVD DGLIGMEVTA IEGNKVICKV LNNGDLGENK GVNLPGVSIA LPALAEKDKQ DLIFGCEQGV DFVAASFIRK RSDVIEIREH LKAHGGENIH IISKIENQEG LNNFDEILEA SDGIMVARGD LGVEIPVEEV IFAQKMMIEK CIRARKVVIT ATQMLDSMIK NPRPTRAEAG DVANAILDGT DAVMLSGESA KGKYPLEAVS IMATICERTD RVMNSRLEFN NDNRKLRITE AVCRGAVETA EKLDAPLIVV ATQGGKSARA VRKYFPDATI LALTTNEKTA HQLVLSKGVV PQLVKEITST DDFYRLGKEL ALQSGLAHKG DVVVMVSGAL VPSGTTNTAS VHVL.

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.

Description:

Activin-A Mouse Recombinant

Inhba, Inhibin beta A, FSH releasing protein.

Product # :

CYT-146

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Quantity :

Shipping Method :

Shipped at Room temp

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Description

Active form Activin-A Murine Recombinant produced in e.coli is a homodimeric, non-glycosylated, polypeptide chain containing 2 x 117 amino acids and having a molecular weight of 26.2kDa.The Active form Activin-A is purified by standard chromatographic techniques.

Source

E.Coli.

Formulation

Mouse Activin-A lyophilized from a concentrated 1mg/ml protein solution containing 0.1% TFA.

Purity

Greater than 95% as obsereved by SDS-PAGE.

Biological Activity

Biological activity is assessed by the ability to induce cytoxicity of MPC-11 cells and was found to be 8.8ng/ml corresponding to a specific activity of 1.1 x 10⁵ units/mg.

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Introduction
Activins are homodimers or heterodimers of the different β subunit isoforms, part of the TGFβ family. Mature Activin A has two 116 amino acids residues βA subunits (βA-βA). Activin displays an extensive variety of biological activities, including mesoderm induction, neural cell differentiation, bone remodelling, haematopoiesis, and reproductive physiology. Activins takes part in the production and regulation of hormones such as FSH, LH, GnRH and ACTH. Cells that are identified to express Activin A include fibroblasts, endothelial cells, hepatocytes, vascular smooth muscle cells, macrophages, keratinocytes, osteoclasts, bone marrow monocytes, prostatic epithelium, neurons, chondrocytes, osteoblasts, Leydig cells, Sertoli cells, and ovarian granulosa cells.
Synonyms
Inhba, Inhibin beta A, FSH releasing protein.
Physical Appearance
Lyophilized freeze dried powder.
Stability
Lyophilized Activin-A although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution Activin-A 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.
Solubility
Murine INHBA protein should be reconstituted in distilled pyrogen free water to a concentration of 100ug /ml which can then be further diluted to other aqueous solutions.
Amino Acid Sequence
MGLECDGKVN ICCKKQFFVS FKDIGWNDWI IAPSGYHANY CEGECPSHIA GTSGSSLSFH STVINHYRMR GHSPFANLKS CCVPTKLRPM SMLYYDDGQN IIKKDIQNMI VEECGCS.
Background
What is the molecular weight / Mw of Activin A Protein?
Activin A Protein has a total Mw of 26.2 kDa.
What is the source or expression system of Activin A Protein?
Ecoli

What is the Purity of Activin A Protein?
Activin A Protein is >95% pure as determined by SDS-PAGE.

What is the Biological Activity of Activin A Protein?
Biological activity is assessed by the ability to induce cytoxicity of MPC-11 cells and was found to be 8.8ng/ml corresponding to a specific activity of 110,000 units/mg.

What is the endotoxin level for Activin A Protein?
The endotoxin level is minimal, ACTIVIN A Protein was purified using conventional chromatography techniques.

What is the amino acid sequence of ACTIVIN A Protein?
MGLECDGKVN ICCKKQFFVS FKDIGWNDWI IAPSGYHANY CEGECPSHIA GTSGSSLSFH STVINHYRMR GHSPFANLKS CCVPTKLRPM SMLYYDDGQN IIKKDIQNMI VEECGCS.

What applications can ACTIVIN A Protein be used in?
ACTIVIN A Protein can probably be used in western blot, ELISA and Lateral Flow.

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.

Description:

Pro-Nerve Growth Factor Human Recombinant

Human Pro-NGF, ProNGF, NGFB.

Product # :

CYT-426

Price :

Quantity :

Shipping Method :

Shipped at Room temp

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Description

Pro-NGF Human Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 224 amino acids and having a molecular mass of 25 kDa.ProNGF Human Recombinant is purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

ProNGF was lyophilized from a 0.2 μM filtered solution of 20m Tris-HCL, 0.5M NaCl, 5% Trehalose, 5% Mannitol. 0.01% Tween-80 and 1mM EDTA pH-8.

Purity

Greater than 95.0% as determined by SDS-PAGE.

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Synonyms
Human Pro-NGF, ProNGF, NGFB.
Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Stability
Lyophilized ProNGF although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution ProNGF 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 ProNGF in distilled water to a concentration no less than 100 µg/ml, which can then be further diluted to other aqueous solutions.
Amino Acid Sequence
MEPHSESNVPAGHTIPQAHWTKLQHSLDTALRRARSAPAAAIAARVAGQTRNI
TVDPRLFKKRRLRSPRVLFSTQPPREAADTQDLDFEVGGAAPFNRTHRSKRS
SSHPIFHRGEFSVCDSVSVWVGDKTTATDIKGKEVMVLGEVNINNSVFKQYFFET
KCRDPNPVDSGCRGIDSKHWNSYCTTTHTFVKALTMDGKQAAWRFIRIDTAC
VCVLSRKAVRRA.
Background
Pro-Nerve Growth Factor Human Recombinant: Unveiling its Potential in Neuroregulation and Disease Pathogenesis
Abstract:
Pro-Nerve Growth Factor (Pro-NGF) human recombinant is a crucial precursor protein involved in neuronal development, survival, and degenerative processes. This research paper aims to provide a comprehensive analysis of Pro-NGF, including its characteristics, processing mechanisms, and implications in neuroregulation and disease pathogenesis. Additionally, innovative methodologies for the production and manipulation of Pro-NGF human recombinant are proposed, highlighting its potential as a therapeutic target for neurological disorders and neurodegenerative diseases.
Introduction:
Neuroregulation and maintenance of neuronal health are intricate processes governed by a network of signaling molecules. Pro-NGF, the precursor form of Nerve Growth Factor (NGF), acts as a key player in neuronal development, synaptic plasticity, and cell survival. This paper delves into the distinctive features of Pro-NGF and presents novel approaches for the production and manipulation of Pro-NGF human recombinant, aiming to unravel its role in neuroregulation and disease pathogenesis.
Characteristics and Processing Mechanisms:
Pro-NGF is initially synthesized as an inactive precursor, requiring proteolytic cleavage for conversion into mature NGF. The processing of Pro-NGF involves the action of proteases, such as furin, and the formation of distinct protein complexes. The balance between Pro-NGF and mature NGF levels plays a critical role in modulating neuronal function and fate, influencing processes such as neuronal survival, axonal growth, and synaptic plasticity.
Production and Manipulation of Pro-NGF Human Recombinant:
Efficient production methodologies and manipulation strategies are crucial for studying the role of Pro-NGF in neuroregulation and disease pathogenesis. Recombinant protein expression systems, including mammalian cell culture and bacterial expression systems, have been employed to produce functional Pro-NGF human recombinant. Techniques such as mutagenesis, protein purification, and specific inhibitors targeting Pro-NGF processing pathways enable the manipulation of Pro-NGF levels and investigation of its downstream effects.
Implications in Neuroregulation and Disease Pathogenesis:
Pro-NGF human recombinant holds significant potential in understanding the intricate mechanisms underlying neuroregulation and disease pathogenesis. Dysregulation of Pro-NGF processing and altered Pro-NGF/mature NGF ratios have been implicated in various neurological disorders, including Alzheimer's disease, Parkinson's disease, and ischemic stroke. Manipulating Pro-NGF levels and the balance between its mature form may offer therapeutic strategies for modulating neurotrophic signaling and promoting neuronal health in these conditions.
Conclusion:
Pro-NGF human recombinant emerges as a key regulator in neuroregulation and disease pathogenesis, offering promising avenues for therapeutic intervention. Enhancing our understanding of Pro-NGF processing mechanisms and its downstream signaling cascades will provide valuable insights into neurodevelopment, neurodegeneration, and potential therapeutic strategies. Targeting Pro-NGF as a therapeutic intervention may hold immense promise in treating neurological disorders and promoting neuronal health.
What is the molecular weight / Mw of ProNGF Protein?
ProNGF Protein has a total Mw of 25kDa.

What is the source or expression system of ProNGF Protein?
Escherichia Coli.

What is the Purity of ProNGF Protein?
ProNGF Protein is >95% pure as determined by SDS-PAGE.

What is the Biological Activity of ProNGF Protein?
The biological functionality of ProNGF Protein will be determined in the future.

What is the amino acid sequence of ProNGF Protein?
MEPHSESNVPAGHTIPQAHWTKLQHSLDTALRRARSAPAAAIAARVAGQTRNI
TVDPRLFKKRRLRSPRVLFSTQPPREAADTQDLDFEVGGAAPFNRTHRSKRS
SSHPIFHRGEFSVCDSVSVWVGDKTTATDIKGKEVMVLGEVNINNSVFKQYFFET
KCRDPNPVDSGCRGIDSKHWNSYCTTTHTFVKALTMDGKQAAWRFIRIDTAC
VCVLSRKAVRRA

What applications can ProNGF Protein be used in?
Tissue Factor Protein can probably be used in western blot, ELISA and Lateral Flow.

What is the endotoxin level for ProNGF Protein?
The endotoxin level is minimal, ProNGF 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.

Description:

Killer Cell Immunoglobulin-Like Receptor, 2 Domains Long Cytoplasmic Tail 4 Human Recombinant

Killer Cell Immunoglobulin Like Receptor, Two Ig Domains And Long Cytoplasmic Tail 4,Killer Cell Immunoglobulin-Like Receptor, Two Domains, Long Cytoplasmic Tail 4,Killer Cell Inhibitory Receptor 103AS, MHC Class I NK Cell Receptor KIR103AS,CD158 Antigen-Like Family Member D, KIR-103AS, KIR103AS, CD158D, G9P, Killer Cell Immunoglobulin-Like Receptor 2DL4, CD158d Antigen, KIR-2DL4, KIR103, KIR2DL4.

Product # :

PRO-2460

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Quantity :

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Description

KIR2DL4 Human Recombinant produced in Sf9 Insect cells is a single, glycosylated polypeptide chain containing 458 amino acids (24-242 a.a.) and having a molecular mass of 51kDa (Molecular size on SDS-PAGE will appear at approximately 50-70kDa). KIR2DL4 is expressed with a 239 amino acids hIgG-His tag at C-Terminus and purified by proprietary chromatographic techniques.

Source

Sf9, Baculovirus cells.

Formulation

KIR2DL4 protein solution (0.25mg/ml) contains Phosphate buffered saline (pH7.4) and 10% glycerol.

Purity

Greater than 85.0% as determined by SDS-PAGE.

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Introduction
Killer cell immunoglobulin-like receptor 2DL4, also known as KIR2DL4 is part of the killer cell Ig-like receptor (KIR) family. KIR proteins with the long cytoplasmic domain transduce inhibitory signals through an immune tyrosine-based inhibitory motif (ITIM), whereas KIR proteins which contain the short cytoplasmic domain, lack the ITIM motif and as a substitute associate with the TYRO protein tyrosine kinase binding protein to transduce activating signals. KIR2DL4 stimulates NK cells to produce IFN-gamma and stimulation with IL-2 upregulates cell surface expression on CD56dimcells and leads to the inhibition of the cytolytic NK cell function.
Synonyms
Killer Cell Immunoglobulin Like Receptor, Two Ig Domains And Long Cytoplasmic Tail 4,Killer Cell Immunoglobulin-Like Receptor, Two Domains, Long Cytoplasmic Tail 4,Killer Cell Inhibitory Receptor 103AS, MHC Class I NK Cell Receptor KIR103AS,CD158 Antigen-Like Family Member D, KIR-103AS, KIR103AS, CD158D, G9P, Killer Cell Immunoglobulin-Like Receptor 2DL4, CD158d Antigen, KIR-2DL4, KIR103, KIR2DL4.
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.
Amino Acid Sequence
HVGGQDKPFC SAWPSAVVPQ GGHVTLRCHY RRGFNIFTLY KKDGVPVPEL YNRIFWNSFL ISPVTPAHAG TYRCRGFHPH SPTEWSAPSN PLVIMVTGLY EKPSLTARPG PTVRAGENVT LSCSSQSSFD IYHLSREGEA HELRLPAVPS INGTFQADFP LGPATHGETY RCFGSFHGSP
YEWSDPSDPL PVSVTGNPSS SWPSPTEPSF KTGIARHLHL EPKSCDKTHT CPPCPAPELL GGPSVFLFPP KPKDTLMISR TPEVTCVVVD VSHEDPEVKF NWYVDGVEVH NAKTKPREEQ YNSTYRVVSV LTVLHQDWLN GKEYKCKVSN KALPAPIEKT ISKAKGQPRE PQVYTLPPSR
DELTKNQVSL TCLVKGFYPS DIAVEWESNG QPENNYKTTP PVLDSDGSFF LYSKLTVDKS RWQQGNVFSC SVMHEALHNH YTQKSLSLSP GKHHHHHH

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.

Description:

Periostin Human Recombinant

OSF-2, Periostin, Osteoblast Specific Factor 2, PN OSF-2, PDLPOSTN, POSTN, MGC119510, MGC119511, PN, RP11-412K4.1.

Product # :

CYT-452

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Quantity :

Shipping Method :

Shipped at Room temp

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Description

The OSF2 His-Tagged Fusion Protein Human is produced in E. coli, and its molecular weight is 75 kDa protein containing 648 amino acid residues of the human OSF-2 and 23 additional amino acid residues - HisTag, Xa - cleavage site.

Source

Escherichia Coli.

Formulation

Filtered (0.4 µm) and lyophilized from 0.5 mg/ml in 0.05M Acetate buffer pH-4.

Purity

Greater than 90% as determined by SDS-PAGE.

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Introduction
Periostin is a disulfide linked 90 kDa, 811 amino acid protein originally isolated as a osteoblast-specific factor that functions as a cell adhesion molecule for preosteoblasts and is thought to be involved in osteoblast recruitment, attachment and spreading. Additionally, periostin expression has previously been shown to be significantly increased by both transforming growth factor beta-1(TGFbeta1) and bone morphogenetic protein (BMP-2). OSF-2 has a typical signal sequence, followed by a cysteine-rich domain, a fourfold repeated domain and a C-terminal domain. The fourfold repeated domain of OSF-2 shows homology with the insect protein fasciclin
Periostin mRNA is expressed in the developing mouse embryonic and fetal heart, and that it is localized to the endocardial cushions that ultimately divide the primitive heart tube into a four-chambered heart.
Synonyms
OSF-2, Periostin, Osteoblast Specific Factor 2, PN OSF-2, PDLPOSTN, POSTN, MGC119510, MGC119511, PN, RP11-412K4.1.
Physical Appearance
Filtered White lyophilized (freeze-dried) powder.
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.
Solubility
It is recommended to add 0.1M Acetate buffer pH4 to prepare a working stock solution of approximately 0.5 mg/ml and let the lyophilized pellet dissolve completely. For conversion into higher pH value, we recommend intensive dilution by relevant buffer to a concentration of 10µg/ml. In higher concentrations the solubility of this antigen is limited. Product is not sterile! Please filter the product by an appropriate sterile filter before using it in the cell culture.
Amino Acid Sequence
MGHHHHHHHH HHSSGHIEGR HMRNNHYDKI LAHSRIRGRD QGPNVCALQQ ILGTKKKYFS TCKNWYKKSI CGQKTTVLYE CCPGYMRMEG MKGCPAVLPI DHVYGTLGIV GATTTQRYSD ASKLREEIEG KGSFTYFAPS NEAWDNLDSD IRRGLESNVN VELLNALHSH MINKRMLTKD LKNGMIIPSM YNNLGLFINH YPNGVVTVNC ARIIHGNQIA TNGVVHVIDR VLTQIGTSIQ DFIEAEDDLS SFRAAAITSD ILEALGRDGH FTLFAPTNEA FEKLPRGVLE RFMGDKVASEALMKYHILNT LQCSESIMGG AVFETLEGNT IEIGCDGDSI TVNGIKMVNK KDIVTNNGVI HLIDQVLIPD SAKQVIELAG KQQTTFTDLV AQLGLASALR PDGEYTLLAP VNNAFSDDTL SMVQRLLKLI LQNHILKVKV GLNELYNGQI LETIGGKQLR VFVYRTAVCI ENSCMEKGSK QGRNGAIHIF REIIKPAEKS LHEKLKQDKR FSTFLSLLEA ADLKELLTQP GDWTLFVPTN DAFKGMTSEE KEILIRDKNA LQNIILYHLT PGVFIGKGFE PGVTNILKTT QGSKIFLKEV NDTLLVNELK SKESDIMTTN GVIHVVDKLL YPADTPVGND QLLEILNKLI KYIQIKFVRG STFKEIPVTV Y.

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.

Description:

Cardiotrophin-1 Human Recombinant

CTF1, CT1, CT-1, Cardiophin 1, Cardiotrophin-1.

Product # :

CYT-944

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Description

Cardiotrophin-1 Human Recombinant produced in E.coli is a single, non-glycosylated, polypeptide chain containing 201 amino acids and having a molecular mass of 21.2kDa.The CTF1 is purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

CTF-1 protein was lyophilized from a 0.2µm filtered concentrated solution in 30% Acetonitrile and 0.1% TFA.

Purity

Greater than 95.0% as determined by:
(a) Analysis by RP-HPLC.
(b) Analysis by SDS-PAGE.

Biological Activity

The ED₅₀ as determined by a cell proliferation assay using human TF-1 cells is less than 1.0 ng/ml, corresponding to a specific activity of > 1.0×10⁶ IU/mg.

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Introduction
Cardiotrophin 1 (CT-1) is a 201 amino acid member of the interleukin-6 superfamily. It was identified by its ability to induce hypertrophic response in cardiac myocytes. CT-1 mRNA levels were found both in cardiac myocytes and in cardiac nonmyocytes. CT 1 was also detected in abundance in normal adult human lung and was expressed in both fetal and adult airway smooth muscle cells. CT 1 activates gp130 dependent signaling and stimulates the Janus kinase/signal transducers and activators of transcription (JAK/STAT) pathway to transduce hypertrophic and cytoprotective signals in cardiac myocytes.
CT 1 has also a neurotrophic function. CTF1 deficiency causes increased motoneuron cell death in spinal cord and brainstem nuclei of mice during a period between embryonic day 14 and the first postnatal week. Moreover, CT-1 is a hepatocyte survival factor that efficiently reduces hepatocellular damage in animal models of acute liver injury. Cardiotrophin 1 expression is augmented after hypoxic stimulation and it can protect cardiac cells when added either prior to simulated ischaemia or at the time of reoxygenation following simulated ischaemia. Cardiotrophin 1 can induce expression of the protective heat shock proteins (hsps) in cardiac cells.
Cardiotrophin-1 increased ventricular expression of ANP, brain natriuretic peptide (BNP) and angiotensinogen mRNA.
Cardiophin 1 levels were significantly elevated in patients with heart failure, patients with dilatative cardiomyopathy, moderate/severe mitral regurgitation, stable and unstable angina and after acute myocardial infarction.
Synonyms
CTF1, CT1, CT-1, Cardiophin 1, Cardiotrophin-1.
Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Stability
Lyophilized CTF1 although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution CTF-1 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.
Solubility
It is recommended to reconstitute the lyophilized CTF1 in sterile 4mM HCl not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
Amino Acid Sequence
MSRREGSLED PQTDSSVSLL PHLEAKIRQT HSLAHLLTKY AEQLLQEYVQ LQGDPFGLPS FSPPRLPVAG LSAPAPSHAG LPVHERLRLD AAALAALPPL LDAVCRRQAE LNPRAPRLLR RLEDAARQAR ALGAAVEALL AALGAANRGP RAEPPAATAS AASATGVFPA KVLGLRVCGL YREWLSRTEG DLGQLLPGGS A.
Background
Title: Cardiotrophin-1 Human Recombinant: A Potential Therapeutic Target for Cardiovascular Diseases
Abstract:

Cardiotrophin-1 (CT-1) is a cytokine that plays a crucial role in cardiac development and homeostasis. This research paper provides a comprehensive analysis of human recombinant CT-1, focusing on its production, characterization, and potential therapeutic implications in cardiovascular diseases. The paper discusses the significance of CT-1 in cardiac cell survival, hypertrophy, and regeneration. Furthermore, it elucidates the ongoing research and clinical trials exploring the therapeutic potential of recombinant CT-1 in cardiovascular disorders. The information presented in this paper aims to enhance the understanding of human recombinant CT-1 and its utility as a research tool and a potential therapeutic agent for cardiovascular diseases.
Introduction:

Cardiotrophin-1 (CT-1) is a member of the interleukin-6 cytokine family, primarily produced by cardiac cells. It exerts its effects by binding to the CT-1 receptor complex, leading to the activation of various signaling pathways. Human recombinant CT-1, produced through genetic engineering techniques, provides researchers with a valuable tool to explore its biological functions and therapeutic potential.
Production and Characterization:

Recombinant CT-1 is typically produced using expression systems such as mammalian cells or bacteria. The protein is then purified and characterized to ensure its structural integrity and functional activity. Quality control measures are implemented to confirm the specificity and bioactivity of the recombinant CT-1.
Role in Cardiovascular Physiology:

CT-1 plays a critical role in cardiac cell survival, hypertrophy, and regeneration. It promotes cardiomyocyte growth and survival, contributing to the adaptation of the heart to stress and injury. CT-1 also exhibits angiogenic properties, stimulating the formation of new blood vessels in the heart. These functions make recombinant CT-1 an important tool for studying cardiac physiology and exploring potential therapeutic interventions.
Therapeutic Implications:

The dysregulation of CT-1 signaling has been implicated in various cardiovascular diseases, including heart failure, myocardial infarction, and cardiac hypertrophy. Recombinant CT-1 holds promise as a potential therapeutic agent for these conditions. Clinical trials are underway to evaluate the safety and efficacy of CT-1-based therapies, including recombinant CT-1 administration and gene therapy approaches.
Conclusion:

Human recombinant CT-1 is a valuable research tool and a potential therapeutic target for cardiovascular diseases. Its production, characterization, and applications in cardiac cell signaling contribute to our understanding of cardiovascular physiology and the development of novel treatments. Continued research and clinical trials exploring the therapeutic potential of recombinant CT-1 hold promise for improving outcomes in patients with cardiovascular disorders.
What is the molecular weight/Mw of CTF1 Protein?
CTF1 Protein has a total Mw of 21.2kDa.

What is the source or expression system of CTF1 Protein?
Escherichia Coli.

What is the Purity of CTF1 Protein?
CTF1 Protein is >95% pure as determined by SDS-PAGE.

What is the Biological Activity of CTF1 Protein?
The ED50 as determined by a cell proliferation assay using human TF-1 cells is less than 1.0 ng/ml, corresponding to a specific activity of > 1.0×106 IU/mg.

What is the amino acid sequence of CTF1 Protein?
MSRREGSLED PQTDSSVSLL PHLEAKIRQT HSLAHLLTKY AEQLLQEYVQ LQGDPFGLPS FSPPRLPVAG LSAPAPSHAG LPVHERLRLD AAALAALPPL LDAVCRRQAE LNPRAPRLLR RLEDAARQAR ALGAAVEALL AALGAANRGP RAEPPAATAS AASATGVFPA KVLGLRVCGL YREWLSRTEG DLGQLLPGGS A.

What applications can CTF1 Protein be used in?
CTF1 Protein can probably be used in western blot, ELISA and Lateral Flow.

What is the endotoxin level for CTF1 Protein?
The endotoxin level is minimal, CTF1 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.

Description:

Growth Hormone Placental 20kDa Human Recombinant

GHL, GHV, GH-V, hGH-V, PGH.

Product # :

CYT-337

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Description

Growth Hormone Placental 20kDa Human Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 177 amino acids and having a molecular mass of 20498 Dalton. Predicted pI=8.20. Growth Hormone 20K placental is devoid of lactogenic (prolactin receptor mediated) activity characteristic to pituitary GHs. GH 20K placental is purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

pGH 20kDa was lyophilized from a concentrated (1mg/ml) solution with0.0045mM NaHCO3 previously adjusted pH 11.

Purity

Greater than 98.0% as determined by:
(a) Analysis by SEC-HPLC.
(b) Analysis by SDS-PAGE.

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Introduction
GH is a member of the somatotropin/prolactin family of hormones which play an important role in growth control. The gene, along with four other related genes, is located at the growth hormone locus on chromosome 17 where they are interspersed in the same transcriptional orientation; an arrangement which is thought to have evolved by a series of gene duplications. The five genes share a remarkably high degree of sequence identity. Alternative splicing generates additional isoforms of each of the five growth hormones, leading to further diversity and potential for specialization. This particular family member is expressed in the pituitary but not in placental tissue as is the case for the other four genes in the growth hormone locus. Mutations in or deletions of the gene lead to growth hormone deficiency and short stature.
Synonyms
GHL, GHV, GH-V, hGH-V, PGH.
Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Stability
Lyophilized Growth Hormone 20K Placental although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution and filter sterilization GH 20K pl can be stored at 4°C for up to 4 weeks. For long term storage and more diluted solutions it is recommended to add a carrier protein (0.1% HSA or BSA). Please prevent freeze-thaw cycles.
Solubility
It is recommended to reconstitute the lyophilized Placental Growth Hormone in 0.4% NaHCO3or water adjusted to pH 11, not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
Amino Acid Sequence
AFPTI PLSRLFDNAM LRARRLYQLA YDTYQEFNPQ TSLCFSESIP TPSNRVKTQQ KSNLELLRIS LLLIQSWLEP VQLLRSVFAN SLVYGASDSN VYRHLKDLEE GIQTLMWRLE DGSPRTGQIF NQSYSKFDTK SHNDDALLKN YGLLYCFRKD MDKVETFLRI VQCRSVEGSC GF

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.

Description:

Cytokeratin 19 Human Recombinant , His Tag

Keratin type I cytoskeletal 19, Cytokeratin-19, CK-19, Keratin-19, K19, KRT19, CK19, K1CS, MGC15366.

Product # :

PRO-1347

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Description

KRT19 Human Recombinant produced in E.coli is a single, non-glycosylated polypeptide chain containing 423 amino acids (1-400) and having a molecular mass of 46.5kDa.KRT19 is fused to a 23 amino acid His-Tag at N-terminus and purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

The KRT19 solution (0.5mg/ml) contains 20mM Tris-HCl buffer (pH 8.0), 0.4M Urea and 10% glycerol.

Purity

Greater than 90.0% as determined by SDS-PAGE.

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Introduction
CTK-19 is a member of the keratin family. The keratins are intermediate filament proteins responsible for the structural integrity of epithelial cells and are subdivided into cytokeratins and hair keratins. The type I cytokeratins consist of acidic proteins which are arranged in pairs of heterotypic keratin chains. Unlike its related family members, this smallest known acidic cytokeratin is not paired with a basic cytokeratin in epithelial cells. It is specifically expressed in the periderm, the transiently superficial layer that envelopes the developing epidermis. The type I cytokeratins are clustered in a region of chromosome 17q12-q21.
Synonyms
Keratin type I cytoskeletal 19, Cytokeratin-19, CK-19, Keratin-19, K19, KRT19, CK19, K1CS, MGC15366.
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).Please avoid freeze thaw cycles.
Amino Acid Sequence
MGSSHHHHHH SSGLVPRGSH MGSMTSYSYR QSSATSSFGG LGGGSVRFGP GVAFRAPSIH GGSGGRGVSV SSARFVSSSS SGAYGGGYGG VLTASDGLLA GNEKLTMQNL NDRLASYLDK VRALEAANGE LEVKIRDWYQ KQGPGPSRDY SHYYTTIQDL RDKILGATIE NSRIVLQIDN ARLAADDFRT KFETEQALRM SVEADINGLR RVLDELTLAR TDLEMQIEGL KEELAYLKKN HEEEISTLRG QVGGQVSVEV DSAPGTDLAK ILSDMRSQYE VMAEQNRKDA EAWFTSRTEE LNREVAGHTE QLQMSRSEVT DLRRTLQGLE IELQSQLSMK AALEDTLAET EARFGAQLAH IQALISGIEA QLGDVRADSE RQNQEYQRLM DIKSRLEQEI ATYRSLLEGQ EDHYNNLSAS KVL.

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.

Description:

Galectin-3 Mouse Recombinant

CBP35, GAL3, GALBP, GALIG, LGALS2, MAC2, Galectin-3, Lectin, galactose binding, soluble 3, Lectin, galactose binding, soluble 3, isoform CRA_a, Lectin, galactose binding, soluble 3, isoform CRA_d, Lgals3.

Product # :

CYT-188

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Description

LGALS3 Mouse Recombinant produced in E. coli is a single polypeptide chain containing 287 amino acids (1-264) and having a molecular mass of 29.8 kDa. LGALS3 is fused to a 23 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques.

Source

E.coli.

Formulation

The LGALS3 solution (0.5mg/1ml) contains 20mM Tris-HCl buffer (pH 8.0), 0.15M NaCl, 50% glycerol, 1mM DTT and 2mM EDTA.

Purity

Greater than 95% as determined by SDS-PAGE.

sds-page

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Introduction
Galectin-3 mediates with the alpha-3, beta-1 integrin the stimulation by cspg4 of endothelial cells migration. Galectin-3 plays an necessary part during the acquisition of vasculogenic mimicry and angiogenic properties associated with melanoma progression. LGALS3 overexpression is highly expressed in early stages of papillary carcinoma, and its expression intensity declines during tumor progression. Serum levels of LGALS3 are high in patients with thyroid malignancy but there is considerable overlap in serum LGALS3 concentrations between those with benign and malignant nodular thyroid disease. LGLAS3 takes part as an immune regulator to inhibit T-cell immune responses and promote tumor growth, as a result providing a new mechanism for tumor immune tolerance.
Synonyms
CBP35, GAL3, GALBP, GALIG, LGALS2, MAC2, Galectin-3, Lectin, galactose binding, soluble 3, Lectin, galactose binding, soluble 3, isoform CRA_a, Lectin, galactose binding, soluble 3, isoform CRA_d, Lgals3.
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.
Amino Acid Sequence
MGSSHHHHHH SSGLVPRGSH MGSMADSFSL NDALAGSGNP NPQGYPGAWG NQPGAGGYPG AAYPGAYPGQ APPGAYPGQA PPGAYPGQAP PSAYPGPTAP GAYPGPTAPG AYPGSTAPGA FPGQPGAPGA YPSAPGGYPA AGPYGVPAGP LTVPYDLPLP GGVMPRMLIT IMGTVKPNAN RIVLDFRRGN DVAFHFNPRF NENNRRVIVC NTKQDNNWGK EERQSAFPFE SGKPFKIQVL VEADHFKVAV NDAHLLQYNH RMKNLREISQ LGISGDITLT SANHAMI.
Background
What is the molecular weight/Mw of LGALS3 Protein?
LGALS3 Protein has a total Mw of 29.8kDa.

What is the source or expression system of LGALS3 Protein?
Escherichia Coli.

What is the Purity of LGALS3 Protein?
LGALS3 Protein is >95% pure as determined by SDS-PAGE.

What is the Biological Activity of LGALS3 Protein?
The biological functionality of LGALS3 Protein will be determined in the future.

What is the amino acid sequence of LGALS3 Protein?
MGSSHHHHHH SSGLVPRGSH MGSMADSFSL NDALAGSGNP NPQGYPGAWG NQPGAGGYPG AAYPGAYPGQ APPGAYPGQA PPGAYPGQAP PSAYPGPTAP GAYPGPTAPG AYPGSTAPGA FPGQPGAPGA YPSAPGGYPA AGPYGVPAGP LTVPYDLPLP GGVMPRMLIT IMGTVKPNAN RIVLDFRRGN DVAFHFNPRF NENNRRVIVC NTKQDNNWGK EERQSAFPFE SGKPFKIQVL VEADHFKVAV NDAHLLQYNH RMKNLREISQ LGISGDITLT SANHAMI.

What applications can LGALS3 Protein be used in?
LGALS3 Protein can probably be used in western blot, ELISA and Lateral Flow.

What is the endotoxin level for LGALS3 Protein?
The endotoxin level is minimal, LGALS3 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.

Description:

Pleiotrophin Human Recombinant, His Tag

PTN, Heparin Affin Regulatory Protein, HARP, Heparin-binding growth factor-8, HBGF-8, Osteoblast-Specific Factor-1, OSF-1, Heparin-binding growth-associated molecule, HB-GAM, HBNF-1 Heparin-binding brain mitogen, Heparin-binding neurite outgrowth-promoting factor 1, HBBM, NEGF1.

Product # :

CYT-451

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Description

Pleiotrophin Human Recombinant contains His-Tagged Fusion Protein, produced in E. coli, its molecular weight is 17.3 kDa protein containing 136 amino acid residues of the OSF-1 human and 16 additional amino acid residues - HisTag, thrombin cleavage site (underlined).

Source

Escherichia Coli.

Formulation

Filtered and lyophilized from 0.5 mg/ml in 0.1M phosphate buffer and 0.1M NaCl, pH 7.2.

Purity

Greater than 95% as determined by SDS-PAGE.

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Introduction
Pleiotrophin (Osteoblast-Specific Factor-1, OSF-1) contains 136 amino acid residues. The sequence is very rich in cationic amino acids (24% of the residues); lysine cluster sequences are found in the N-terminal and C-terminal ends of the structure.
The OSF-1 gene was shown by Northern blotting analysis to be expressed in mouse calvarial osteoblast-enriched cells and in mouse brain tissues, but not in thymus, spleen, kidney, liver, lung, testis or heart. Pleiotrophin has the ability to promote adhesion, migration, expansion, and differentiation of human osteoprogenitor cells. In addition to certain types of cancer, the embryonic growth and differentiation factor pleiotrophin is found also in adults in inflammatory diseases. In osteoarthritis, pleiotrophin is especially expressed in early stages, and its concentrations in the synovial fluid could serve as a marker for the progress of the disease. Pleitrophin might be involved in cartilage repair in osteoarthritis, in particular, in earlier stages.
Synonyms
PTN, Heparin Affin Regulatory Protein, HARP, Heparin-binding growth factor-8, HBGF-8, Osteoblast-Specific Factor-1, OSF-1, Heparin-binding growth-associated molecule, HB-GAM, HBNF-1 Heparin-binding brain mitogen, Heparin-binding neurite outgrowth-promoting factor 1, HBBM, NEGF1.
Physical Appearance
Filtered White lyophilized (freeze-dried) powder.
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.
Solubility
Add PBS pH 7.2 and let the lyophilized pellet dissolve completely.
Amino Acid Sequence
MKHHHHHHHM LVPRGSGKKE KPEKKVKKSD CGEWQWSVCV PTSGDCGLGT REGTRTGAEC KQTMKTQRCK IPCNWKKQFG AECKYQFQAW GECDLNTALK TRTGSLKRAL HNAECQKTVT ISKPCGKLTK PKPQAESKKK KKEGKKQEKM LD.

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.

Description:

Super Leptin Antagonist Ovine Recombinant

Product # :

CYT-1245

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Description

Super Leptin Antagonist Ovine Recombinant is a single polypeptide chain containing 146 amino acids, an additional Ala at N-terminus acids and having a molecular mass of ~ 16 kDa. Super Ovine Leptin Antagonist was mutated, resulting in D23L/L39A/D40A/F41A that was purified by proprietary chromatographic techniques.

Source

Escherichia coli.

Formulation

The protein was lyophilized from a concentrated (1mg/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

ProSpec’s super Ovine leptin antagonist is capable of inhibiting leptin-induced proliferation of BAF/3 cells stably transfected with the long form of human leptin receptor. Super Ovine leptin antagonist also inhibits various leptin effects in several in vitro bioassays.

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Physical Appearance
White lyophilized (freeze-dried) powder.
Stability
Lyophilized Super Leptin Antagonist although stable at room temperature for several weeks, should be stored desiccated below -18°C. Upon reconstitution of super Ovine leptin antagonist at > 0.1 mg/ml and up to 2 mg/ml and filter sterilization super Ovine leptin antagonist 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.
Solubility
It is recommended to reconstitute the lyophilized Super Leptin Antagonist in sterile water or sterile 0.4% NaHCO3 adjusted to pH 10, not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
Amino Acid Sequence
The sequence of the first five N-terminal amino acids was determined and was found to be Ala-Val-Pro-Ile-Arg.
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 behaviours which save energy. When leptin levels are high, the brain interprets 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.
Protein content
Protein quantitation was carried out by UV spectroscopy at 280 nm using the absorbency value of 0.2 as the extinction coefficient for a 0.1% (1mg/ml) solution at pH 8.0. This value is calculated by the PC GENE computer analysis program of protein sequences (IntelliGenetics).

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.

Description:

Ts Translation Elongation Factor Mitochondrial Human Recombinant

Elongation factor Ts, mitochondrial, Ts Translation Elongation Factor Mitochondrial, TSFM, EF-Ts, EF-TsMt, COXPD3.

Product # :

PRO-1971

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Description

TSFM Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 302 amino acids (46-346 a.a) and having a molecular mass of 32.9kDa.TSFM is purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

TSFM protein solution (1mg/ml) containing 20mM Tris-HCl buffer (pH 8.0), 10% glycerol and 0.4M Urea.

Purity

Greater than 85.0% as determined by SDS-PAGE.

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Introduction
TSFM is a mitochondrial translation elongation factor which is linked with the EF-Tu.GDP complex and induces the exchange of GDP to GTP. TSFM stays bound to the aminoacyl-tRNA.EF-Tu.GTP complex until the GTP hydrolysis stage on the ribosome. Mutations in TSFM are related with combined oxidative phosphorylation deficiency-3 syndrome.
Synonyms
Elongation factor Ts, mitochondrial, Ts Translation Elongation Factor Mitochondrial, TSFM, EF-Ts, EF-TsMt, COXPD3.
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.
Amino Acid Sequence
MSKELLMKLR RKTGYSFVNC KKALETCGGD LKQAEIWLHK EAQKEGWSKA AKLQGRKTKE GLIGLLQEGN TTVLVEVNCE TDFVSRNLKF QLLVQQVALG TMMHCQTLKD QPSAYSKVQW LTPVNLALWE AEAGGSLEGF LNSSELSGLP AGPDREGSLK DQLALAIGKL GENMILKRAA WVKVPSGFYV GSYVHGAMQS PSLHKLVLGK YGALVICETS EQKTNLEDVG RRLGQHVVGM APLSVGSLDD EPGGEAETKM LSQPYLLDPS ITLGQYVQPQ GVSVVDFVRF ECGEGEEAAE TE.

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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