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Description:

CGB Human Recombinant

CGB3, CGB5, CGB7, CGB8, hCGB, CG-beta, CGB.

Product # :

HOR-007

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Description

CGB Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 168 amino acids (21-165 a.a.) and having a molecular mass of 17.9kDa. CGB is fused to a 23 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

CGB protein solution (0.5mg/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.

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Introduction
Glycoprotein hormones are heterodimers consisting of a common alpha subunit and a unique beta subunit which confers biological specificity. CGB is a member of the glycoprotein hormone beta chain family and is the beta 3 subunit of (CG). CG is produced by the trophoblastic cells of the placenta and stimulates the ovaries. The beta subunit of CG is encoded by 6 genes which are arranged in tandem and inverted pairs on chromosome 19q13.3 and contiguous with the luteinizing hormone beta subunit gene.
Synonyms
CGB3, CGB5, CGB7, CGB8, hCGB, CG-beta, CGB.
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 MGSSKEPLRP RCRPINATLA VEKEGCPVCI TVNTTICAGY CPTMTRVLQG VLPALPQVVC NYRDVRFESI RLPGCPRGVN PVVSYAVALS CQCALCRRST TDCGGPKDHP LTCDDPRFQD SSSSKAPPPS LPSPSRLPGP SDTPILPQ.
Background
What is the molecular weight/Mw of CG BETA HUMAN Protein?
CG BETA HUMAN Protein has a total Mw of 17.9kDa.

What is the source or expression system of CG BETA HUMAN Protein?
Escherichia Coli.

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

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

What is the amino acid sequence of CG BETA HUMAN Protein?
MGSSHHHHHH SSGLVPRGSH MGSSKEPLRP RCRPINATLA VEKEGCPVCI TVNTTICAGY CPTMTRVLQG VLPALPQVVC NYRDVRFESI RLPGCPRGVN PVVSYAVALS CQCALCRRST TDCGGPKDHP LTCDDPRFQD SSSSKAPPPS LPSPSRLPGP SDTPILPQ.

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

What is the endotoxin level for CG BETA HUMAN Protein?
The endotoxin level is minimal, CG BETA HUMAN Protein was purified using conventional chromatography techniques.

Who supplies recombinant CG BETA HUMAN that is in stock and available to order?
ProSpec has the protein in stock and available for immediate delivery.

Where can I order bulk mg quantities of CG BETA HUMAN?
ProSpec supplies bulk mg quantities at affordable prices that meets research and academic budgets.

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:

S100 Calcium Binding Protein A9 Human Recombinant

Calgranulin B, 60B8AG, CAGB, CFAG, CGLB, L1AG, LIAG, MAC387, MIF, MRP14, NIF, P14, Protein S100-A9, S100 calcium-binding protein A9.

Product # :

PRO-814

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Description

S100A9 Human Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 122 amino acids (1-114 a.a.) and having a molecular mass of 14.3kDa. S100A9 protein is fused to an 8 amino acid His-Tag at C-terminus and purified by standard chromatography.

Source

Escherichia Coli.

Formulation

S100A9 Human solution containing 20mM Tris HCl pH-8, 0.1M NaCl and 10% glycerol.

Purity

Greater than 90% as determined by SDS-PAGE.

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Introduction
S100A9 is part of the S100 family of proteins containing 2 EF-hand calcium-binding motifs. S100A9 protein is localized in the cytoplasm and/or nucleus of a wide range of cells, and participates in the regulation of several cellular processes such as cell cycle progression and differentiation. S100 genes include no less than 13 proteins which are localized as a cluster on chromosome 1q21. S100A9 is involved in the inhibition of casein kinase and altered expression of this protein is associated with the disease cystic fibrosis.
Synonyms
Calgranulin B, 60B8AG, CAGB, CFAG, CGLB, L1AG, LIAG, MAC387, MIF, MRP14, NIF, P14, Protein S100-A9, S100 calcium-binding protein A9.
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
MTCKMSQLER NIETIINTFH QYSVKLGHPD TLNQGEFKEL VRKDLQNFLK KENKNEKVIE HIMEDLDTNA DKQLSFEEFI MLMARLTWAS HEKMHEGDEG PGHHHKPGLG EGTPLEHHHH 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.

Description:

Desert Hedgehog (C23II) Human Recombinant

HHG-3, Desert Hedgehog homolog, MGC35145, Desert hedgehog protein, DHH.

Product # :

CYT-362

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Description

DHH (C23II) Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 177 amino acids and having a molecular mass of 19.9kDa. The DHH (C23II) is purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

Lyophilized from a 0.2µm filtered concentrated solution in 1×PBS, pH 7.4.

Purity

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

Biological Activity

The Biological Activity was determined by its ability to induce alkaline phosphatase production by C3H/10T1/2 (CCL-226) cells. The expected ED₅₀ for this effect is 15-45 μg/ml.

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Introduction
DHH is part of the Hedgehog family which encodes signaling molecules that are involved in regulating morphogenesis. DHH protein is a precursor that is autocatalytically cleaved, the N-terminal portion is soluble and contains the signalling activity while the C-terminal portion is involved in precursor processing. Additionally, the C-terminal product covalently attaches a cholesterol moiety to the N-terminal product, restricting the N-terminal product to the cell surface and preventing it from freely diffusing throughout the organism. Defects in DHH protein have been associated with partial gonadal dysgenesis (PGD) accompanied by minifascicular polyneuropathy. DHH plays a role both male gonadal differentiation and perineurial development.
DHH plays a role in intercellular signaling which is essential for a variety of patterning events during development. DHH functions as a spermatocyte survival factor in the testes & is essential for testes development.
Synonyms
HHG-3, Desert Hedgehog homolog, MGC35145, Desert hedgehog protein, DHH.
Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Stability
Lyophilized DHH (C23II) although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution DHH (C23II) 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 DHH (C23II) in sterile 18M-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
Amino Acid Sequence
IIGPGRGPVG RRRYARKQLV PLLYKQFVPG VPERTLGASG PAEGRVARGS ERFRDLVPNY NPDIIFKDEE NSGADRLMTE RCKERVNALA IAVMNMWPGV RLRVTEGWDE DGHHAQDSLH YEGRALDITT SDRDRNKYGL LARLAVEAGF DWVYYESRNH VHVSVKADNS LAVRAGG.

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:

MYDGF Human Recombinant

C19orf10, Interleukin-25, IL-25, IL25, IL27, IL-27, IL27w, IL-27w, Stromal cell-derived growth factor SF20, UPF0556 protein C19orf10, chromosome 19 open reading frame 10.

Product # :

CYT-622

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Description

SF20 Human Recombinant produced in E.Coli is single, a non-glycosylated, Polypeptide chain containing 162 amino acids fragment (33-173) and having a total molecular mass of 18 kDa. C9orf10 is fused to 20 amino acids His tag at N-terminus and is purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

C9orf10 is supplied in 20mM Tris HCL pH-8 and 20% glycerol.

Purity

Greater than 95.0% by SDS-PAGE.

sds-page

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Introduction
SF20 plays a role in proliferation of lymphoid cells and is considered an interleukin. SF20 was initially identified as a product of bone marrow-derived stromal cells.
Synonyms
C19orf10, Interleukin-25, IL-25, IL25, IL27, IL-27, IL27w, IL-27w, Stromal cell-derived growth factor SF20, UPF0556 protein C19orf10, chromosome 19 open reading frame 10.
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. Please avoid 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.

Description:

Ephrin-B1 Human Recombinant

ephrin-B1, LERK2, EPLG2, Elk-L, EPH-related receptor tyrosine kinase ligand 2, EFL-3, ELK ligand, CFND, CFNS, Craniofrontonasal Syndrome (craniofrontonasal dysplasia), MGC8782.

Product # :

PRO-918

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Description

EFNB1 Human Recombinant produced in E.coli is a single, non-glycosylated polypeptide chain containing 231 amino acids (28-237) and having a molecular mass of 25.3 kDa.The EFNB1 is fused to a 21 amino acid His-Tag at N-terminus and purified by proprietary chromatographic techniques.

Source

E.coli.

Formulation

The EFNB1 solution (1mg/ml) contains 20mM Tris-HCl buffer (pH 8.0), 0.4M Urea and 5% glycerol.

Purity

Greater than 95% as determined by SDS-PAGE.

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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.
Synonyms
ephrin-B1, LERK2, EPLG2, Elk-L, EPH-related receptor tyrosine kinase ligand 2, EFL-3, ELK ligand, CFND, CFNS, Craniofrontonasal Syndrome (craniofrontonasal dysplasia), MGC8782.
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 MLAKNLEPVS WSSLNPKFLS GKGLVIYPKI GDKLDIICPR AEAGRPYEYY KLYLVRPEQA AACSTVLDPN VLVTCNRPEQ EIRFTIKFQE FSPNYMGLEF KKHHDYYITS TSNGSLEGLE NREGGVCRTR TMKIIMKVGQ DPNAVTPEQL TTSRPSKEAD NTVKMATQAP GSRGSLGDSD GKHETVNQEE KSGPGASGGS SGDPDGFFNS K

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:

Syntaxin-4 Human Recombinant

Syntaxin 4, syntaxin 4A (placental), STX4A, Renal carcinoma antigen NY-REN-31, p35-2.

Product # :

PRO-1176

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Description

STX4 Human Recombinant produced in E. coli is a single polypeptide chain containing 300 amino acids (1-275) and having a molecular mass of 34.7 kDa.STX4 is fused to a 25 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques.

Source

E.coli.

Formulation

The STX4 solution (1mg/1ml) contains 20mM Tris-HCl buffer (pH 8.0), 100mM NaCl, 1mM DTT and 40% glycerol.

Purity

Greater than 90% as determined by SDS-PAGE.

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Introduction
Syntaxin 4 (STX4) is a member of the syntaxin/epimorphin family of proteins. The Syntaxin family is cellular receptors for transport vesicles which participate in exocytosis in neutrophils. Syntaxin 4 is vital for normal regulation of glucose metabolism uptake in skeletal muscle and decline in STX4 protein levels lead to reduction of whole-body hormone-stimulated glucose metabolism. STX4 is expressed in neutrophils and neutrophil-differentiated HL-60 cells. The STX4 expression in neutrophils increases with differentiation.
Synonyms
Syntaxin 4, syntaxin 4A (placental), STX4A, Renal carcinoma antigen NY-REN-31, p35-2.
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 MGSHMMRDRT HELRQGDDSS DEEDKERVAL VVHPGTARLG SPDEEFFHKV RTIRQTIVKL GNKVQELEKQ QVTILATPLP EESMKQELQN LRDEIKQLGR EIRLQLKAIE PQKEEADENY NSVNTRMRKT QHGVLSQQFV ELINKCNSMQ SEYREKNVER IRRQLKITNA GMVSDEELEQ MLDSGQSEVF VSNILKDTQV TRQALNEISA RHSEIQQLER SIRELHDIFT FLATEVEMQG EMINRIEKNI LSSADYVERG QEHVKTALEN QKKARKKKVL

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:

B-Cell Maturation Antigen Human Recombinant, His Tag

BCMA, CD269, Tumor Necrosis Factor Receptor Superfamily Member 17, BCM, TNFRSF17, B-cell maturation protein, CD269 antigen.

Product # :

CYT-190

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Description

TNFRSF17 Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 130 amino acids (78-184 a.a) and having a molecular mass of 14.1kDa.TNFRSF17 is fused to a 23 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

TNFRSF17 protein solution (0.5mg/ml) containing 20mM Tris-HCl buffer (pH 8.0), 0.15M NaCl, 10% glycerol and 1mM DTT.

Purity

Greater than 90.0% as determined by SDS-PAGE.

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Introduction
TNFRSF17 is a receptor for tnfsf13b/blys/baff and tnfsf13/april. TNFRSF17 promotes b-cell survival and plays a role in the regulation of humoral immunity. TNFRSF17 activates nf-kappa-b and jnk. TNFRSF17 is a member of the TNF-receptor superfamily. TNFRSF17 is expressed in mature B lymphocytes, and is invloved in B cell development and autoimmune response. TNFRSF17 specifically binds to the tumor TNFSF13B/TALL-1/BAFF, which causes NF-kappaB and MAPK8/JNK activation. TNFRSF17 binds to a variety of TRAF family members, and therefore transduces signals for cell survival and proliferation. TNFRSF17 is a type III membrane protein having 1 extracellular cysteine rich domain. Within the TNFRSF, it shares the highest homology with TACI. BCMA and TACI have both been shown to bind to APRIL and BAFF, members of the TNF ligand superfamily. BCMA expression has been found in immune organs. TNFRSF17 appears to be localized to the Golgi compartment. The binding of BCMA to APRIL or BAFF has been shown to stimulate IgM production in peripheral blood B cells and increase the survival of cultured B cells.
Synonyms
BCMA, CD269, Tumor Necrosis Factor Receptor Superfamily Member 17, BCM, TNFRSF17, B-cell maturation protein, CD269 antigen.
Physical Appearance
Sterile Filtered colorless liquid.
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 MGSRKINSEP LKDEFKNTGS GLLGMANIDL EKSRTGDEII LPRGLEYTVE ECTCEDCIKS KPKVDSDHCF PLPAMEEGAT ILVTTKTNDY CKSLPAALSA TEIEKSISAR.

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-B Human Recombinant, Active

Inhibin beta B (activin AB beta polypeptide), Inhibin, beta-2, Activin beta-B chain, MGC157939.

Product # :

CYT-057

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Description

Activin B human Recombinant produced in Nicotiana benthamiana plant is a beta-B single chain (aa 293-406) containing 123 amino acids (molecular formula C615H910N178O177S12). Activin B is fused to a 10-His-tag at the N-terminal having the total molecular mass of 14kDa and purified by standard chromatographic techniques.

Source

Nicotiana benthamiana plant

Formulation

Lyophilized from 1mg/ml solution in 0.05M Tris-HCl buffer pH 7.4.

Purity

Greater than 97.0% as determined by Analysis by SDS-PAGE.

Biological Activity

The biological activity of Activin B is measured by its ability to inhibit mouse plasmacytoma cell line (MPC-11) cells proliferation. EC50 <5ng/ml is required to stimulate a half-maximal response at cytokine saturation. Note: Since applications vary, each investigator should titrate the reagent to obtain optimal results.

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Synonyms
Inhibin beta B (activin AB beta polypeptide), Inhibin, beta-2, Activin beta-B chain, MGC157939.
Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Stability
Lyophilized Activin B although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution Activin B 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 Activin B in sterile 18M-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
Amino Acid Sequence
HHHHHHHHHH GLECDGRTNL CCRQQFFIDF RLIGWNDWII APTGYYGNYC EGSCPAYLAG VPGSASSFHT AVVNQYRMRG LNPGTVNSCC IPTKLSTMSM LYFDDEYNIV KRDVPNMIVE ECG.
Background
An Investigation into the Functional Roles and Therapeutic Potential of Activin-B Human Recombinant, Active
1. Abstract
Activin-B Human Recombinant, Active, also referred to as beta-2, Activin beta-B chain, or MGC157939, is a crucial component of the Transforming Growth Factor-beta (TGF-beta) superfamily. The multifaceted nature of this protein implicates it in numerous physiological processes. This paper delves into the bioactivity of Activin-B, exploring its role in cellular proliferation, differentiation, apoptosis, and its potential for therapeutic applications, especially in the realms of regenerative medicine, reproductive health, and cancer therapy.
2. Introduction
The TGF-beta superfamily, of which Activin-B is a member, is renowned for its far-reaching implications in cell and developmental biology. This superfamily boasts members that control cell growth, differentiation, and apoptosis, thus playing vital roles in organogenesis, bone growth, and reproductive functions. This research paper aims to shed light on the characteristics and potential therapeutic applications of Activin-B.
3. Structure and Synthesis of Activin-B
Activin-B is a dimeric protein, composed of two identical beta-B chains. This homodimer undergoes multiple stages of synthesis, starting as a precursor protein, which then experiences proteolytic processing to eventually form the mature peptide. It is this coordinated activity of various enzymes and molecular chaperones that ensure the accurate biosynthesis of Activin-B.
4. Biological Functions of Activin-B
Activin-B's roles extend from embryogenesis and organogenesis to the modulation of reproductive functions. Its influence over cellular proliferation, differentiation, and apoptosis has significant repercussions in physiological and pathological scenarios. Its regulatory functions also encompass immunomodulation and wound healing, underpinning its extensive biological reach.
5. Activin-B in Regenerative Medicine
Regenerative medicine's primary focus is the repair and regeneration of tissues, and it is here that the potential of Activin-B shines. The protein's capacity to regulate cellular processes positions it as a possible agent in tissue repair, making it an intriguing research topic for therapeutic applications in regenerative medicine.
6. Activin-B and Reproductive Health
Activin-B’s role in reproductive health is undeniable, having been implicated in follicular development, ovulation, and pregnancy maintenance. Its potent influence on reproductive functions indicates the possibility of its use in the treatment of reproductive disorders, providing a potential pathway for further therapeutic development.
7. Activin-B in Cancer
Recent research has connected the deregulation of Activin-B to various types of cancer. Deciphering the mechanisms through which Activin-B affects cancer cell proliferation and survival could open up new avenues for targeted cancer therapy. This critical linkage emphasizes the need for comprehensive studies on Activin-B's role in oncogenesis.
8. Conclusion and Future Perspectives
Our understanding of Activin-B's biological functions has grown immensely, but many mysteries remain. The continued exploration of the molecular mechanisms through which Activin-B operates will undoubtedly yield more insights into its potential therapeutic uses, guiding the development of new treatments for a myriad of diseases.
What is the molecular weight / Mw of Activin B Protein?
Activin A Protein has a total Mw of 14 kDa.
What is the source or expression system of Activin B Protein?
Nicotinia

What is the Purity of Activin B Protein?
Activin B Protein is >97% pure as determined by SDS-PAGE.

What is the Biological Activity of Activin B Protein?
The biological activity of Activin B is measured by its ability to inhibit mouse plasmacytoma cell line (MPC-11) cells proliferation. EC50 <5ng/ml is required to stimulate a half-maximal response at cytokine saturation. Note: Since applications vary, each investigator should titrate the reagent to obtain optimal results.

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

What is the amino acid sequence of ACTIVIN B Protein?
HHHHHHHHHH GLECDGRTNL CCRQQFFIDF RLIGWNDWII APTGYYGNYC EGSCPAYLAG VPGSASSFHT AVVNQYRMRG LNPGTVNSCC IPTKLSTMSM LYFDDEYNIV KRDVPNMIVE ECG

What applications can ACTIVIN B 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:

Synovial Sarcoma, X Breakpoint 1 Human Recombinant

Synovial Sarcoma X Breakpoint 1, Cancer/Testis Antigen 5.1, CT5.1, SSRC Sarcoma Synovial X-Chromosome-Related 1, Cancer/Testis Antigen Family 5 Member 1, Cancer/Testis Antigen Family 5, Protein SSX1, Member 1, SSX1.

Product # :

PRO-1379

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Description

SSX1 Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 211 amino acids (1-188 a.a) and having a molecular mass of 24.3kDa.SSX1 is fused to a 23 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

SSX1 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.

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Introduction
Synovial Sarcoma, X Breakpoint 1 (SSX1) is a member of a family of highly homologous synovial sarcoma X (SSX) breakpoint proteins. SSX proteins are localized to the nucleus and expressed in testis and some types of cancers and, hence, they are classified as C/T (cancer/testis) antigens. These proteins may serve as transcriptional repressors. SSX1 genes are involved in the t (X;18) translocation typically found in all synovial sarcomas. This translocation leads to the fusion of the synovial sarcoma translocation gene on chromosome 18 to one of the SSX genes on chromosome X. These hybrid proteins are most likely responsible for transforming activity.
Synonyms
Synovial Sarcoma X Breakpoint 1, Cancer/Testis Antigen 5.1, CT5.1, SSRC Sarcoma Synovial X-Chromosome-Related 1, Cancer/Testis Antigen Family 5 Member 1, Cancer/Testis Antigen Family 5, Protein SSX1, Member 1, SSX1.
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 MGSMNGDDTF AKRPRDDAKA SEKRSKAFDD IATYFSKKEW KKMKYSEKIS YVYMKRNYKA MTKLGFKVTL PPFMCNKQAT DFQGNDFDND HNRRIQVEHP QMTFGRLHRI IPKIMPKKPA EDENDSKGVS EASGPQNDGK QLHPPGKANI SEKINKRSGP KRGKHAWTHR LRERKQLVIY EEISDPEEDD E.

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:

Vascular Endothelial Growth Factor Mouse Recombinant, His Tag

Vascular endothelial growth factor A, VEGF-A, Vascular permeability factor, VPF, VEGF, Vegf120, Vegf164, Vegf188, Vegfa.

Product # :

CYT-680

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Description

VEGF Mouse Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 141 amino acids (205-324 a.a.) and having a total molecular mass of 16.3kDa. Mouse VEGF is fused to 20 amino acid His Tag at N-terminus and purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

The Mouse VEGF contains 20mM Tris-HCl buffer (pH8.0) and 10% glycerol.

Purity

Greater than 90.0% as determined by SDS-PAGE.

Biological Activity

Measured in a cell proliferation assay using NIH-3T3 mouse embryonic fibroblast. The ED50 for this effect is 0.5-1.5ng/ml.

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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/macrophage migration, 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 mitogenesis and 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 is 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, Vegf120, Vegf164, Vegf188, Vegfa.
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 MAPTTEGEQK SHEVIKFMDV YQRSYCRPIE TLVDIFQEYP DEIEYIFKPS CVPLMRCAGC CNDEALECVP TSESNITMQI MRIKPHQSQH IGEMSFLQHS RCECRPKKDR TKPEKCDKPR 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.

Description:

Coagulation Factor IX Human

Coagulation factor IX, EC 3.4.21.22, Christmas factor, Plasma thromboplastin component, PTC, F9, FIX, HEMB, MGC129641, MGC129642, GLA domain, Factor IX.

Product # :

PRO-353

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Description

Human Factor-IX produced from fresh frozen human plasma is a glycosylated polypeptide chain having a molecular mass of 56 kDa.

Source

Human Plasma.

Formulation

The Factor-IX is provided in a sterile solution containing 20mM Tris-HCl pH-7.4, 100mM NaCl and 1mM Benzamidine.

Purity

Greater than 95.0% as determined by SDS-PAGE.

Biological Activity

The activity per mg was tested and found to be 380 PEU/mg.

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Introduction
Human Factor IX also called Christmas-Factor is a glycoprotein, which is synthesized in the liver and belongs to the serine proteases system and is part of the S1 peptidase family.
Lack of Factor-IX causes Hemophilia-B meaning Christmas Disease. Factor-IX has a N-terminus region which contains 12xGla residues which asist the calcium dpendant binding of Factor-IX to the phospholipid surface. Factor-IX is activated by either factor XIa or the factor VIIa/tissue factor/phospholipid complex. Cleavage yields the intermediate IXa, which is subsequently converted to the fully active form IXab.
Factor-IX binds initially to exosites on the factor XIa heavy chain, followed by interaction at the active site with subsequent bond cleavage. Coagulation factor IX is activated by interaction with the erythrocyte membrane, causing intrinsic coagulation. Chaperones & lectins act simultaniously to guarantee the proper folding of Factor-IX and the retention of mutant molecules. Human Factor IX, activated by either the Contact or Tissue Factor Pathway, is responsible for the activation of Factor X to Xa.
Synonyms
Coagulation factor IX, EC 3.4.21.22, Christmas factor, Plasma thromboplastin component, PTC, F9, FIX, HEMB, MGC129641, MGC129642, GLA domain, Factor IX.
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. Please prevent freeze-thaw cycles..
Human Virus Test
Human plasma was tested and found negative for HIV-1, HIV-2, Hepatitis B Surface antigen and HCV. Donors are screened for CJD (Creutzfeldt-Jakob Disease).

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:

Salmonella Typhi Haemolysin E Recombinant

Product # :

STY-004

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Description

Recombinant S.Typhi HylE produced in E.coli is a non-glycosylated polypeptide chain having a molecular mass of 34 kDa and fused to a His tag at N-terminus.

Source

Escherichia Coli.

Formulation

Lyophilized from 1mg/ml in 20mM sodium carbonate pH-9.6.

Purity

Greater than 95.0% as determined by SDS-PAGE.

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Introduction
Salmonella Typhi is a pathogen causing typhoid fever, affecting over 17 million people with approximately 600,000 deaths annually worldwide. If untreated, typhoid fever cases result in mortality rates ranging from 12-30%.
Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Stability
S.Typhi HylE although stable at room temperature for 4 weeks, should be stored below -18°C. Please prevent freeze thaw cycles.
Solubility
It is recommended to reconstitute the lyophilized S.Typhi HylE 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.

Description:

Complement Factor B Human

CFB, C3/C5 convertase, Glycine-rich beta glycoprotein, GBG, PBF2, Properdin factor B, BF, BFD, AHUS4, ARMD14, CFAB, CFBD, FB, FBI12, GBG, H2-Bf.

Product # :

PRO-2698

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Description

Human Complement Factor B produced in Human plasma is glycosylated polypeptide chain having a total molecular mass of 93kDa.

Source

Human Plasma.

Formulation

CFB protein solution contains 10mM Sodium phosphate and 145mM NaCl, pH 7.2.

Purity

Greater than 95.0% as determined by SDS-PAGE.

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Introduction
Complement Factor B, also known as CFB, encodes complement factor B which is a component of the alternative pathway of complement activation. Factor B circulates in the blood as a single chain polypeptide. Once the alternative pathway is activated it is cleaved by complement factor D yielding the noncatalytic chain Ba and the catalytic subunit Bb. The active subunit Bb is a serine protease which connects with C3b to form the alternative pathway C3 convertase. Also, Bb is involved in the proliferation of preactivated B lymphocytes, while Ba inhibits their proliferation.
Synonyms
CFB, C3/C5 convertase, Glycine-rich beta glycoprotein, GBG, PBF2, Properdin factor B, BF, BFD, AHUS4, ARMD14, CFAB, CFBD, FB, FBI12, GBG, H2-Bf.
Physical Appearance
Sterile filtered solution.
Stability
CFB Human is stable at 4°C if entire vial will be used within 2-4 weeks.Store, frozen below -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.
Human Virus Test
Plasma from each donor has been tested and found negative for antibody to HIV-1, HIV-2, HCV and HBSAG.

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:

Hepsin Human Recombinant

HPN, TMPRSS1, Serine protease hepsin, Transmembrane protease serine 1.

Product # :

PRO-2846

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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).

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Synonyms
HPN, TMPRSS1, Serine protease hepsin, Transmembrane protease serine 1.
Physical Appearance
Filtered White lyophilized (freeze-dried) powder.
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.
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.
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.

Description:

Apolipoprotein-H Human

Beta-2-glycoprotein 1, Beta-2-glycoprotein I, Apolipoprotein H, Apo-H, B2GPI, Beta(2)GPI, Activated protein C-binding protein, APC inhibitor, Anticardiolipin cofactor, APOH, B2G1, BG, B2GP-1, B2 Glycoprotein-I.

Product # :

PRO-552

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Description

Human APOH produced in Human Plasma having a molecular mass of 50kDa and pI of 5.6-6.4. It’s a major phospholipid binding protein and an important component to measure in the assessment of anti-phospholipid syndrome. APOH is also more specific than anti-cardiolipin antibodies and its presence correlates better with thrombotic risk.

Source

Human Plasma.

Formulation

Lyophilized from 0.02M NH4HCO3.

Purity

Greater than 96.0%.

More Info

Introduction
Apolipoprotein H (APOH) attaches to numerous kinds of negatively charged substances for instance heparin, phospholipids, and dextran sulfate. APOH prevents activation of the intrinsic blood coagulation cascade by attaching to phospholipids on the surface of damaged cells. APOH expressed by the liver and secreted in the plasma.
Synonyms
Beta-2-glycoprotein 1, Beta-2-glycoprotein I, Apolipoprotein H, Apo-H, B2GPI, Beta(2)GPI, Activated protein C-binding protein, APC inhibitor, Anticardiolipin cofactor, APOH, B2G1, BG, B2GP-1, B2 Glycoprotein-I.
Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Stability
Human APOH although stable at room temperature for 3 weeks, should be stored between 2-8°C.
Solubility
It is recommended to reconstitute the lyophilized APOH in phosphate buffer, pH >7.0 containing 0.15M NaCl.
Human Virus Test
Starting material tested and found negative for HIV I & II antibodies, Hepatitis B surface antigen, and Hepatitis C antibodies.

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:

Proheparin-Binding EGF-like Growth Factor Human Recombinant, His Tag

Proheparin-binding EGF-like growth factor, HBEGF, DTR, DTS, HEGFL, HB-EGF, Heparin-binding EGF-like growth factor, Diphtheria toxin receptor, DT-R, DTSF.

Product # :

CYT-761

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Description

HB-EGF His Human Recombinant produced in E.coli is a single, non-glycosylated polypeptide chain containing 109 amino acids (63-148) and having a molecular mass of 12.1kDa.HB-EGF His is fused to a 23 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

The HB-EGF His solution (0. 5mg/ml) contains 20mM Tris-HCl buffer (pH 8.0), 0.2M NaCl, 2mM DTT and 50% glycerol.

Purity

Greater than 85% as determined by SDS-PAGE.

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Introduction
HB-EGF is an EGF related growth factor which signals via the EGF receptor, and stimulates the proliferation of SMC (smooth muscle cells), fibroblasts, epithelial cells and keratinocytes. HB-EGF is expressed in various cell types and tissues, including vascular endothelial cells and SMC, macrophages, skeletal muscle, keratinocytes and particular tumor cells. HB-EGF’s ability to explicitly bind heparin and heparin sulfate proteoglycans is dissimilar from other EGF-like molecules, and might be related to the enhanced mitogenic activity, relative to EGF, that HB-EGF exerts on smooth muscle cells.
Synonyms
Proheparin-binding EGF-like growth factor, HBEGF, DTR, DTS, HEGFL, HB-EGF, Heparin-binding EGF-like growth factor, Diphtheria toxin receptor, DT-R, DTSF.
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 MGSDLQEADL DLLRVTLSSK PQALATPNKE EHGKRKKKGK GLGKKRDPCL RKYKDFCIHG ECKYVKELRA PSCICHPGYH GERCHGLSL.
Background
What is the molecular weight/Mw of HB-EGF Protein?
HB-EGF Protein has a total Mw of 12.1kDa.

What is the source or expression system of HB-EGF Protein?
Escherichia Coli.

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

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

What is the amino acid sequence of HB-EGF Protein?
MGSSHHHHHH SSGLVPRGSH MGSDLQEADL DLLRVTLSSK PQALATPNKE EHGKRKKKGK GLGKKRDPCL RKYKDFCIHG ECKYVKELRA PSCICHPGYH GERCHGLSL.

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

What is the endotoxin level for HB-EGF Protein?
The endotoxin level is minimal, HB-EGF 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:

Epitalon

Product # :

HOR-031

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Description

Epithalon Synthetic is a single, non-glycosylated polypeptide chain containing 4 amino acids, having a molecular mass of 390.35 Dalton and a Molecular formula of C14H22N4O9.

Formulation

The protein was lyophilized with no additives.

Purity

Greater than 97.0% as determined by analysis by RP-HPLC.

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Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Stability
Lyophilized Epithalon although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution Epithalon 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 Epithalon in sterile 18MΩ-cm H2O not less than 100 µg/ml, which can then be further diluted to other aqueous solutions.
Amino Acid Sequence
H-Ala-Glu-Asp-Gly-OH .
Background
Epitalon, also known as Epithalon, is a synthetic tetrapeptide that has been a focal point in the field of aging and longevity research. This peptide, consisting of four amino acids, is derived from the pineal gland and has been associated with a variety of biological effects, most notably its potential role in extending the lifespan of cells.
Epitalon's primary function is its interaction with telomeres, the protective caps at the ends of chromosomes that shorten as cells divide. By stimulating the production of telomerase, an enzyme that can repair and lengthen telomeres, Epitalon may slow down the aging process at a cellular level.
Numerous studies have explored the potential of Epitalon in extending the lifespan of organisms. For instance, Khavinson and colleagues (2003) found that Epitalon increased the lifespan of fruit flies, while Anisimov et al. (2003) reported similar results in mice. These findings suggest that Epitalon could potentially have similar effects in humans.
Epitalon has also been studied for its role in regulating circadian rhythms. Korkushko et al. (2011) found that Epitalon could restore disrupted circadian rhythms in elderly people, suggesting potential applications in sleep disorders and other conditions related to circadian rhythm disruption.
Beyond its potential role in aging and longevity, Epitalon has been explored for its potential therapeutic applications. Anisimov et al. (2011) found that Epitalon could reduce the incidence of spontaneous tumors in mice, suggesting potential applications in cancer prevention.
While research on Epitalon is promising, it is important to note that most studies have been conducted in animals or in vitro. More research is needed to fully understand the potential effects and applications of Epitalon in humans. However, the existing body of research suggests that Epitalon could be a promising tool in the fight against aging and age-related diseases.

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:

Twisted Gastrulation Protein Human Recombinant

Twisted Gastrulation BMP Signaling Modulator 1, TSG, Twisted Gastrulation Homolog 1 (Drosophila), Twisted Gastrulation Protein Homolog 1, Twisted Gastrulation Homolog 1, TWSG1.

Product # :

CYT-873

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Description

TWSG1 Human Recombinant (26-223) produced in CHO is a single, glycosylated, polypeptide chain containing 198 amino acids and having a molecular mass ranging from 35-43kDa on SDS-PAGE due to glycosylation.The TWSG1 is purified by proprietary chromatographic techniques.

Source

CHO.

Formulation

Lyophilized from a 0.2µm filtered solution in PBS.

Purity

Greater than 95.0% as determined by SDS-PAGE.

Biological Activity

The ED₅₀, as measured by its ability to inhibit alkaline phosphatase production induced by rHuBMP-6 in mouse ATDC5 cells, is less than 16µg/ml.

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Introduction
Twisted gastrulation Protein (TSG) is a secreted, cysteine-rich protein which has a role in dorsal/ventral patterning in Drosophila and Xenopus by regulating BMP signaling. TSG functions as an agonist for BMP signaling by controlling the inhibitory actions of the BMP antagonist, Chordin/Sog, and the cleavage properties of the metalloprotease, xolloid/tolloid. TSG N-terminal domain binds BMP protein directly and displays BMP antagonist activity.
Synonyms
Twisted Gastrulation BMP Signaling Modulator 1, TSG, Twisted Gastrulation Homolog 1 (Drosophila), Twisted Gastrulation Protein Homolog 1, Twisted Gastrulation Homolog 1, TWSG1.
Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Stability
Lyophilized TSG although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution TSG 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 TSG in sterile 18M-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
Amino Acid Sequence
CNKALCASDV SKCLIQELCQ CRPGEGNCSC CKECMLCLGA LWDECCDCVG MCNPRNYSDT PPTSKSTVEE LHEPIPSLFR ALTEGDTQLN WNIVSFPVAE ELSHHENLVS FLETVNQPHH QNVSVPSNNV HAPYSSDKEH MCTVVYFDDC MSIHQCKISC ESMGASKYRW FHNACCECIG PECIDYGSKT VKCMN CMF.

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:

Glial Fibrillary Acidic Protein Bovine

Glial fibrillary acidic protein, GFAP.

Product # :

PRO-2784

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Description

GFAP Bovine having a calculated molecular mass of 52 kDa, pI-5.4.

Source

Bovine spinal cord.

Formulation

GFAP was lyophilized from a 1mg/ml solution containing 10mM sodium phosphate buffer pH 7.5, 6M urea, 1mM EDTA, 2mM DTT and 10mM methylammonium chloride.

Purity

Greater than 95.0% as determined by SDS-PAGE.

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Synonyms
Glial fibrillary acidic protein, GFAP.
Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Stability
Store the lyophilized GFAP between 2-8°C, do not freeze. Upon reconstitution GFAP should be stored at -20°C. Please prevent freeze-thaw cycles.
Solubility
It is recommended to reconstitute the lyophilized GFAP in sterile 18MΩ-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
Background
Glial fibrillary acidic protein (GFAP) is a key intermediate filament protein found predominantly in astrocytes, a type of glial cell in the central nervous system. While extensive research has been conducted on GFAP in rodents and humans, the study of GFAP in bovine brain tissue is an emerging area with potential for advancing our understanding of astrocytic function and neurological health in larger mammals. Bovine brains provide a unique model system due to their size and complexity, making them valuable for investigating astrocyte-specific functions. This research aims to provide a comprehensive exploration of GFAP in bovine brain tissue, shedding light on its functions and implications for neurological health.
The primary objective of this research is to elucidate the role of GFAP in bovine brain tissue, particularly in astrocyte structure and function. In vitro and ex vivo experiments, utilizing bovine astrocyte cultures and brain tissue slices, will be conducted to investigate how GFAP contributes to astrocytic morphology, intracellular signaling, and response to neuronal injury or disease. Understanding these mechanisms is fundamental for deciphering the complexities of astrocyte biology in large mammalian brains.
The second objective is to assess the relevance of bovine GFAP in neurodegenerative diseases and brain injuries. Studies involving bovine brain models of neurodegenerative conditions such as Alzheimer's disease or traumatic brain injury will be conducted to evaluate the role of GFAP in disease progression, neuroinflammation, and tissue repair. These investigations may provide valuable insights into potential therapeutic strategies for neurological disorders.
The third objective is to explore the potential applications of bovine GFAP in biotechnology and medical research. Research will investigate the use of bovine astrocyte cultures as models for studying astrocyte-neuron interactions and for developing tissue engineering approaches for neurological repair and regeneration.
By delving into the functions and roles of GFAP in bovine brain tissue, this research aims to expand our knowledge of astrocyte biology, its implications for neurological health, and its potential applications in biotechnology and medical research.

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:

Anti Human Prolactin Paired Antibody Mouse

Product # :

ANT-789

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Description

Paired Prolactin monoclonal antibodies are composed of anti-Prolactin α and β subunits, the anti-Prolactin α is used for the coating and antibody to β subunit is used for colloid gold conjugation. Please note that when ordering for example: 100µg paired antibody, you receive 50µg from each antibody (100µg in total).

Formulation

*Prolactin α (coating) antibody in PBS, PH 7.4.

* Prolactin β (conjugation) antibody in PBS, PH 7.4.

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Physical Appearance
2 vials of sterile Filtered clear colorless solution.
Stability
For periods up to 1month Prolactin Paired Antibody should be stored at 4°C, for longer periods of time, store at -20°C. Prevent freeze thaw cycles.
Applications
Lateral flow immunoassay.
Background
Prolactin is a neuroendocrine hormone synthesized primarily by the pituitary gland but also a variety of other cell types including the placenta, brain and uterus. Its primary role is to promote and maintain lactation but has also a part in breast cancer development, regulation of reproductive function and immunoregulation. Prolactin also plays an important role in metabolism, pancreatic development and regulation of the immune system.
Type
Mouse antibody Monoclonal.
Purification Method
Purified by protein A 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:

Thymosin β4

Thymosin beta-4. TB500, TB-500

Product # :

HOR-275

Price :

Quantity :

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Shipped at Room temp

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Description

Thymosin b4 is a 43 amino acid peptide which is regarded as the main intracellular G-actin sequestering peptide. It has a molecular weight of 4963.55 Da, and its molecular formula is: C212H350N56O78S1. Extracellular Thymosin b4 may contribute to physiological processes such as angiogenesis, wound healing, and regulation of inflammation.

Formulation

The protein (1mg/ml) was lyophilized with no additives.

Purity

Greater than 98.0% as determined by RP-HPLC.

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Introduction
Thymosin is a hormone secreted from the thymus. Its primary function is to stimulate the production of T cells, which are an important part of the immune system. Thymosin also assists in the development of B cells to plasma cells to produce antibodies. The predominant form of thymosin, thymosin b4, is a member of a highly conserved family of actin monomer-sequestering proteins. b-thymosins are the primary regulators of unpolymerized actin, and are essential for maintaining the small cytoplasmic pool of free G-actin monomers required for rapid filament elongation and allowing for the flux of monomers between the thymosin-bound pool and F-actin.
Synonyms
Thymosin beta-4. TB500, TB-500
Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Stability
Lyophilized Thymosin b4 although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution T beta 4 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 Thymosin beta-4 in sterile 18MΩ-cm H2O not less than 100 µg/ml, which can then be further diluted to other aqueous solutions.
Amino Acid Sequence
Thymosin b4 has an a.a. sequence of Ac-Ser-Asp-Lys-Pro-Asp-Met-Ala-Glu-Ile-Glu-Lys-Phe-Asp-Lys-Ser-Lys-Leu-Lys-Lys-Thr-Glu-Thr-Gln-Glu-Lys-Asn-Pro-Leu-Pro-Ser-Lys-Glu-Thr-Ile-Glu-Gln-Glu-Lys-Gln-Ala-Gly-Glu-Ser-OH.
Background
What is the molecular weight/Mw of THYMOSIN BETA 4 Protein?
THYMOSIN BETA 4 Protein has a total Mw of 4.96kDa.

What is the Purity of THYMOSIN BETA 4 Protein?
THYMOSIN BETA 4 Protein is >98% pure as determined by SDS-PAGE.

What is the Biological Activity of THYMOSIN BETA 4 Protein?
The biological functionality of THYMOSIN BETA 4 Protein will be determined in the future.

What is the amino acid sequence of THYMOSIN BETA 4 Protein?
Thymosin b4 has an a.a. sequence of Ac-Ser-Asp-Lys-Pro-Asp-Met-Ala-Glu-Ile-Glu-Lys-Phe-Asp-Lys-Ser-Lys-Leu-Lys-Lys-Thr-Glu-Thr-Gln-Glu-Lys-Asn-Pro-Leu-Pro-Ser-Lys-Glu-Thr-Ile-Glu-Gln-Glu-Lys-Gln-Ala-Gly-Glu-Ser-OH.
What applications can THYMOSIN BETA 4 Protein be used in?
THYMOSIN BETA 4 Protein can probably be used in western blot, ELISA and Lateral Flow.

What is the endotoxin level for THYMOSIN BETA 4 Protein?
The endotoxin level is minimal, THYMOSIN BETA 4 Protein was purified using conventional chromatography techniques.

Who supplies THYMOSIN BETA 4 that is in stock and available to order?
ProSpec has the protein in stock and available for immediate delivery.

Where can I order bulk mg quantities of THYMOSIN BETA 4?
ProSpec supplies bulk mg quantities at affordable prices that meets research and academic budgets.

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 Growth Factor Human Recombinant, His Tag

PIGF, PGF, PLGF-1.

Product # :

CYT-1031

Price :

Quantity :

Shipping Method :

Shipped at Room temp

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Description

PLGF1 Human Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain (a.a 19-131) containing 123 amino acids including a 10 a.a N-terminal His tag. The total molecular mass is 13.8kDa (calculated).

Source

Escherichia Coli.

Formulation

PLGF1 filtered (0.4 µm) and lyophilized from 0.5mg/ml in PBS and 5% w/v trehalose, pH 7.4.

Purity

Greater than 95.0% as determined by SDS-PAGE.

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Introduction
PLGF is a growth factor active in angiogenesis, and endothelial cell growth, stimulating their proliferation and migration. It binds to receptor vegfr-1/flt1.
Synonyms
PIGF, PGF, PLGF-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 deionized water to prepare a working stock solution of approximately 0.5mg/ml and let the lyophilized pellet dissolve completely. PLGF1 is not sterile! Please filter the product by an appropriate sterile filter before using it in the cell culture.
Amino Acid Sequence
MKHHHHHHAS LPAVPPQQWA LSAGNGSSEV EVVPFQEVWG RSYCRALERL VDVVSEYPSE VEHMFSPSCV SLLRCTGCCG DENLHCVPVE TANVTMQLLK IRSGDRPSYV ELTFSQHVRC ECR.

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:

Hepatitis E Virus ORF3 Recombinant

Product # :

HEV-273

Price :

Quantity :

Shipping Method :

Shipped with Ice Packs

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Description

The e.coli derived HEV protein is fused with beta-galactosidase at the N-Terminus and contains the HEV immunodominant ORF3 92-123 a.a.

Formulation

20mM Tris-HCl, pH-8, 10mM B-ME and 8M urea.

Purity

Greater than 95.0% as determined by Analysis by SDS-PAGE.

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Introduction
Hepatitis E virus (HEV), the major etiologic agent of enterically transmitted non-A, non-B hepatitis worldwide, is a spherical, non-enveloped, single stranded RNA virus that is approximately 32 to 34 nm in diameter. HEV belongs to a genus of HEV-like viruses (unassigned genus). HEV has a single-stranded polyadenylated RNA genome of approximately 8 kb. Based on its physicochemical properties it is presumed to be a calici-like virus.
Stability
HEV ORF3 protein although stable at 4°C for 1 week, should be stored below -18°C. Please prevent freeze thaw cycles.
Specificity
Immunoreactive with sera HEV-infected individuals.
Purification Method
HEV ORF3 protein was purified by proprietary chromatographic technique.

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:

Herpes Simplex Virus-2 gD (525-578 a.a.) Recombinant

Product # :

HSV-229

Price :

Quantity :

Shipping Method :

Shipped with Ice Packs

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Description

The E.Coli derived recombinant protein contains the HSV-2 gD (525-578) immunodominant region. HSV2 gD is fused to a six histidine his tag at c-terminus and purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

(1mg/ml) in 1x PBS

Purity

Protein is >95% pure as determined by SDS-PAGE

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Introduction
Receptors across the cell membrane interact with some viral glycoproteins therefor enabling HSV to enter the host cell. The HSV enter through pores created by the binding of particular receptors across the cell membrane with the virus's coating envelope, following by a fusion of the HSV and the host cell. HSV enters the host cell through the same mechanism and stages as other viruses do. Initially, matching receptors across the virus's envelope and host cell's membrane interacts and bring the two together. During the transitional stage, begins fusion between the host cell and virus (hemifusion state). The closing stage happens when a steady pore was made; through these pores the virus's particles enter the cell.
Physical Appearance
Sterile Filtered clear solution.
Stability
HSV-2 gD although stable at 4°C for 1 week, should be stored below -18°C. Please prevent freeze thaw cycles.
Applications
ELISA & WB.

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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