The Zebrafish 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. Zebrafish EGF applications are for cell culture, ELISA standard, and Western Blot Control. Zebrafish EGF yeast-derived recombinant protein can be purchased in multiple sizes. Zebrafish EGF Specifications: (Molecular Weight: 6.2 kDa) (Amino Acid Sequence: NGVQSCPSTH DSYCLYDGVC FYFPDMESYA CNCVLGYMGE RCQFSDLEWW ELQ (53)) (Gene ID: 403045). For research use only. Made in the USA