Summary: Cat.No. : TGFA-386H Product Overview : Recombinant Human TGFA (P01135-1) (Val40-Ala89), fused with None, was produced in E. coli. Source : E. coli Species : Human Tag : None Predicted N Terminal : Met Form : Lyophilized from sterile 50 mM Tris, 100 mM NaCl, pH 8.0.Normally 5 % - 8 % trehalose and mannitol are added as protectants before lyophilization. Molecular Mass : The recombinant human TGFa consists of 50 amino acids and has a predicted molecular mass of 5.6 kDa. The apparent molecular mass of it is approximately 13 kDa in SDS-PAGE under reducing conditions.