The Bovine Regakine-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. Bovine Regakine-1 applications are for cell culture, ELISA standard, and Western Blot Control. Bovine Regakine-1 yeast-derived recombinant protein can be purchased in multiple sizes. Bovine Regakine-1 Specifications: (Molecular Weight: 8.3 kDa) (Amino Acid Sequence: EANEEPAGNM RVCCFSSVTR KIPLSLVKNY ERTGDKCPQE AVIFQTRSGR SICANPGQAW VQKYIEYLDQ MSK (73)) (Gene ID: 504773). For research use only. Made in the USA