The Equine IFN alpha 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. Equine IFN alpha 1 applications are for cell culture, ELISA standard, and Western Blot Control. The Equine IFN alpha 1 yeast-derived recombinant protein can be purchased in multiple sizes. Equine IFN alpha 1 Specifications: (Molecular Weight: 18.5 kDa) (Amino Acid Sequence: CDLPHTHSLG NTRVLMLLGQ MRRISPFSCL KDRNDFGFPQ EVFDGNQFRK PQAISAVHET IQQIFHLFST DGSSAAWDES LLDKLYTGLY QQLTELEACL SQEVGVEETP LMNEDSLLAV RRYFQRIALY LQEKKYSPCA WEIVRAEIMR SFSSSTNLPQ S (161)) (Gene ID: 100053022). For research use only. Made in the USA