The Human Amphiregulin yeast-derived recombinant protein is not tagged and is naturally endotoxin-free. The purity is greater than 98% as visualized by SDS-PAGE analysis. Human Amphiregulin applications are for cell culture, ELISA standard, and Western Blot Control. Human Amphiregulin yeast-derived recombinant protein can be purchased in multiple sizes. Human Amphiregulin Specifications: (Molecular Weight: 11.3 kDa) (Amino Acid Sequence: SVRVEQVVKP PQNKTESENT SDKPKRKKKG GKNGKNRRNR KKKNPCNAEF QNFCIHGECK YIEHLEAVTC KCQQEYFGER CGEKSMKTHS MIDSSLSK (98)) (Gene ID: 374). For research use only. Made in the USA