SCGF-a, human Recombinant. SCGF-a, human recombinant, Supports early stages of hematopoiesis, Host: E. Coli, Purity: greater than or equal to 98%(SDS-PAGE), 33.9 kDa polypeptide containing 305 amino acid residues, Synonym: Stem Cell Growth Factor-alpha, Storage: -20C, 10ug