The Feline 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. Feline Amphiregulin applications are for cell culture, ELISA standard, and Western Blot Control. Feline Amphiregulin yeast-derived recombinant protein can be purchased in multiple sizes. Feline Amphiregulin Specifications: (Molecular Weight: 10.0 kDa) (Amino Acid Sequence: SVRVEQVVKP MKNKTESEKT SDKPKRKKKG GKNGKNRKNR KKKNPCDAEF QNFCIHGECK YIENLGAVTC KCHQDYFGER CGEKSMK (87)) (Gene ID: 101081041). For research use only. Made in the USA