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Catalog Products » Recombinant Proteins » Other Catalog Proteins » Twisted Gastrulation(TSG), His, Human

TSG, His, Human

Synonyms Twisted Gastrulation Protein
Description Twisted gastrulation (TWSG1 or TSG) is a cysteine-rich 24 kDa glycoprotein. It is a secreted BMP binding protein that modulates BMP ligand availability in extracellular space. Human TSG shares 98% aa identity with mouse and rat TSG, and 99.5% aa identity with canine, equine, bovine and porcine TSG. Glycosylation and bioactivity of TWSG1 recombinant proteins vary markedly by cellular source. Non-glycosylated hTWSG1 made in E. coli has both reduced affinity for BMPs, as shown by surface plasmon resonance analysis, and reduced BMP inhibitory activity in a mandibular explant culture system compared to glycosylated proteins made in insect cells or mouse myeloma cells.
Recombinant human Twisted Gastrulation (TSG), produced in HEK 293 cells is a polypeptide chain containing 211 amino acids. A fully biologically active molecule, rhTSG has a molecular mass of 30~33 kDa analyzed by reducing SDS-PAGE and is obtained by chromatographic techniques at GenScript.
Source HEK 293
Biological Activity Determined by its ability to neutralize BMP-6 induced alkaline phosphatase production by ATDC-5 chondrogenic cells. The ED50 for this effect is < 2 μg/ml of TSG.
Cys26-Phe223 (Accession #: Q9GZX9), expressed with N-terminal 8×His

Measured Molecular Weight 30-33 kDa, observed by reducing SDS-PAGE.
Purity > 95% as analyzed by SDS-PAGE and HPLC.
Formulation Lyophilized after extensive dialysis against PBS.
Reconstitution Reconstituted in ddH2O or PBS at 100 μg/ml.
Endotoxin Level < 0.2 EU/μg, determined by LAL method.
Storage Lyophilized recombinant Human Twisted Gastrulation (TSG), remains stable up to 6 months at lower than -70°C from date of receipt. Upon reconstitution, Human Twisted Gastrulation should be stable up to 1 week at 4°C or up to 2 months at -20°C.
Note For research use only

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Cat. No. Z03293
10 ug $40.00
50 ug $90.00