Recombinant Human TWEAK / TNFSF12 Protein

Name: Recombinant Human TWEAK / TNFSF12 Protein
Brand: Beta LifeScience
SKU: BL-1724SG
Availability: InStock

Collections: Cytokines and growth factors, Recombinant proteins, Tumor necrosis factors and receptors (tnfs)

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Product Overview

Tag	N/A
Host Species	Human
Accession	O43508
Background	TWEAK is a TNF superfamily transmembrane protein which is expressed in many different cells and tissues, such as the heart, spleen and small intestine. Two different receptors have been identified that bind TWEAK; the Death Receptor 3 (DR3) and the TWEAK Receptor (TWEAKR). While DR3 is expressed mainly in tissues that have high concentration of lymphocytes, the mitogen-inducible TWEAKR is has been shown to be expressed in fibroblasts, hepetocellular carcinomas and endothelial cells. Recombinant human TWEAK comprises the TNF homologous (secreted region) of TWEAK.
Description	Recombinant Human TWEAK (TNFSF12) was produced in E. coli. This protein is purified with our unique purification methods.
Source	E.coli
Molecular Weight	17.2 kDa
Purity	For specific purity information on a given lot, see related COA.
Endotoxin	< 1.0 EU per μg of the protein as determined by the LAL method
Formulation	Recombinant protein is supplied in 50mM Tris-HCl, pH 7.5, 50mM NaCl, 10mM Glutathione, 0.25mM DTT, 0.1mM EDTA, 0.1mM PMSF and 25% glycerol.
Stability	The recombinant protein is stable for up to 12 months at -70°C
Usage	For Research Use Only
Storage	Recombinant Human TWEAK / TNFSF12 Protein should be stored should be stored at < -70°C. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.

Target Details

Target Function	Binds to FN14 and possibly also to TNRFSF12/APO3. Weak inducer of apoptosis in some cell types. Mediates NF-kappa-B activation. Promotes angiogenesis and the proliferation of endothelial cells. Also involved in induction of inflammatory cytokines. Promotes IL8 secretion.
Subcellular Location	Cell membrane; Single-pass type II membrane protein.; [Tumor necrosis factor ligand superfamily member 12, secreted form]: Secreted.; [Isoform TWE-PRIL]: Cell membrane; Single-pass membrane protein.
Protein Families	Tumor necrosis factor family
Database References	HGNC: 11927 OMIM: 602695 KEGG: hsa:407977 UniGene: Hs.54673
Tissue Specificity	Highly expressed in adult heart, pancreas, skeletal muscle, brain, colon, small intestine, lung, ovary, prostate, spleen, lymph node, appendix and peripheral blood lymphocytes. Low expression in kidney, testis, liver, placenta, thymus and bone marrow. Als

Gene Functions References

Observational study of gene-disease association. (HuGE Navigator) PMID: 19913121
Observational study of gene-disease association, gene-environment interaction, and pharmacogenomic / toxicogenomic. (HuGE Navigator) PMID: 20628086

FAQs

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Proteins are sensitive to heat, and freeze-drying can preserve the activity of the majority of proteins. It improves protein stability, extends storage time, and reduces shipping costs. However, freeze-drying can also lead to the loss of the active portion of the protein and cause aggregation and denaturation issues. Nonetheless, these adverse effects can be minimized by incorporating protective agents such as stabilizers, additives, and excipients, and by carefully controlling various lyophilization conditions.

Commonly used protectant include saccharides, polyols, polymers, surfactants, some proteins and amino acids etc. We usually add 8% (mass ratio by volume) of trehalose and mannitol as lyoprotectant. Trehalose can significantly prevent the alter of the protein secondary structure, the extension and aggregation of proteins during freeze-drying process; mannitol is also a universal applied protectant and fillers, which can reduce the aggregation of certain proteins after lyophilization.

Our protein products do not contain carrier protein or other additives (such as bovine serum albumin (BSA), human serum albumin (HSA) and sucrose, etc., and when lyophilized with the solution with the lowest salt content, they often cannot form A white grid structure, but a small amount of protein is deposited in the tube during the freeze-drying process, forming a thin or invisible transparent protein layer.

Reminder: Before opening the tube cap, we recommend that you quickly centrifuge for 20-30 seconds in a small centrifuge, so that the protein attached to the tube cap or the tube wall can be aggregated at the bottom of the tube. Our quality control procedures ensure that each tube contains the correct amount of protein, and although sometimes you can't see the protein powder, the amount of protein in the tube is still very precise.

To learn more about how to properly dissolve the lyophilized recombinant protein, please visit Lyophilization FAQs.