The Bovine PDGF-BB yeast-derived recombinant protein is not tagged and is naturally endotoxin-free. The purity is greater than 98% as visualized by SDS-PAGE analysis. Bovine PDGF-BB applications are for cell culture, ELISA standard, and Western Blot Control. Bovine PDGF-BB yeast-derived recombinant protein can be purchased in multiple sizes. Bovine PDGF-BB Specifications: (Molecular Weight: 12.3 kDa) (Amino Acid Sequence: SLGSPTVAAE PAVIAECKTR TEVFEISRRL IDRTNANFLV WPPCVEVQRC SGCCNNRNVQ CRPTQVQDRK VQVKKIEIVR KKKIFKKATV TLVDHLACRC ETVVARAVT (109)) (Gene ID: 540106). For research use only. Made in the USA