The Anole IGF-1 yeast-derived recombinant protein is not tagged and is naturally endotoxin-free. The purity is greater than 98% as visualized by SDS-PAGE analysis. Anole IGF-1 applications are for cell culture, ELISA standard, and Western Blot Control. Anole IGF-1 yeast-derived recombinant protein can be purchased in multiple sizes. Anole IGF-1 Specifications: (Molecular Weight: 7.7 kDa) (Amino Acid Sequence: SSETLCGAEL VDALQFVCGE RGFYFSKPAG YGGNRRSVTR GIVDECCFQS CDLTRLEMYC APAKRDKTAR (70)) (Gene ID: n/a). For research use only. Made in the USA