The Rat 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. Rat PDGF-BB applications are for cell culture, ELISA standard, and Western Blot Control. Rat PDGF-BB yeast-derived recombinant protein can be purchased in multiple sizes. Rat PDGF-BB Specifications: (Molecular Weight: 12.2 kDa) (Amino Acid Sequence: SLGSLAAAEP AVIAECKTRT EVFQISRNLI DRTNANFLVW PPCVEVQRCS GCCNNRNVQC RASQVQMRPV QVRKIEIVRK KPVFKKATVT LEDHLACKCE TVVTPRPVT (109)) (Gene ID: 24628). For research use only. Made in the USA