The Chicken EGF yeast-derived recombinant protein is not tagged and is naturally endotoxin-free. The purity is greater than 98% as visualized by SDS-PAGE analysis. Chicken EGF applications are for cell culture, ELISA standard, and Western Blot Control. Chicken EGF yeast-derived recombinant protein can be purchased in multiple sizes. Chicken EGF Specifications: (Molecular Weight: 6.2 kDa) (Amino Acid Sequence: GDSIGCPPAY DSYCLHGGVC NYVSDLQDYA CNCVTGYVGE RCQFSDLEWW EQQHA (55)) (Gene ID: 408035). For research use only. Made in the USA