Human TGFbeta1 (GenBank Accession No. NM_000660), a.a. 30-390 (end) with Cys33Ser mutation and N-terminal His-tag. Mature latent TGFbeta1 consists of disulfide-linked homodimers of TGFbeta1 latency-associated peptide (LAP) and mature TGFbeta1, MW= ~75 & 25 kDa under non-reducing conditions.
host species: human
Host species: human
Host cell line: FreeStyle 293-F cells
Reconstitution
Reconstitute in sterile 0.2 M acetic acid with 0.1% BSA. Further dilutions may be made in PBS with 0.1% BSA. To maximize product collection from vial surface, vortex briefly and then spin down to recollect the liquid.
Immunogen Region
30-390 (end)
Tag
none
Formulation
Lyophilized from a 0.2 um filtered, aqueous solution
Species
Human
Application
Useful for cell culture and for the study of signaling and apoptotic pathways.
Endotoxin Level
< 1EU per ug
Notes
Avoid freeze/thaw cycles.
Biological Activity Comment
The ED50 measured by TGFbeta1's ability to inhibit mIL-4-dependent proliferation of HT-2 mouse helper T cells is<0.5ng/ml.