The Bovine/Caprine/Ovine IL-5 yeast-derived recombinant protein is not tagged and is naturally endotoxin-free. The purity is greater than 98% as visualized by SDS-PAGE analysis. Swine IL-6 applications are for cell culture, ELISA standard, and Western Blot Control. The Bovine/Caprine/Ovine IL-5 yeast-derived recombinant protein can be purchased in multiple sizes. Bovine/Caprine/Ovine IL-5 Specifications: (Molecular Weight: 13.0 kDa) (Amino Acid Sequence: VESTMNRLVA ETLTLLSSHR TLLIGDGNLM IPTPQHTNHQ LCIEEVFQGI DTLKNQTAQG DAVKKIFQNL SLIKEYIDLQ KRKCGGERWR VKQFLDYLQV FLGVINTEWT MES (113)) (Gene ID: 280825). For research use only. Made in the USA