Summary: Cat.No. : IGF1-60H Product Overview : Recombinant Human IGF1 (P05019-1) Gly 49 - Ala 118, fused with no tag, was produced in E. coli. Source : E. coli Species : Human Form : Lyophilized from 0.2μm filtered solution of 30% Acetonitrile, 0.1% TFA Molecular Mass : The recombinant mature form of human IGF1 consisting of 71 amino acids and has a calculated molecular mass of 7.8KDa.