The Ovine/Caprine IL-2 yeast-derived recombinant protein is not tagged and is naturally endotoxin-free. The purity is greater than 98% as visualized by SDS-PAGE analysis. Ovine/Caprine IL-2 applications are for cell culture, ELISA standard, and Western Blot Control. The Ovine/Caprine IL-2 yeast-derived recombinant protein can be purchased in multiple sizes. Ovine/Caprine IL-2 Specifications: (Molecular Weight: 15.6 kDa) (Amino Acid Sequence: APTSSSTGNT MKEVKSLLLD LQLLLEKVKN PENLKLSRMH TFNFYMPKVN ATELKHLKCL LEELKLLEEV LDLAPSKNLN TREIKDSMDN IKRIVLELQG SETRFTCEYD DATVKAVEFL NKWITFCQSI YSTMT (135)) (Gene ID: 443401). For research use only. Made in the USA