The Rat IL-6 yeast-derived recombinant protein is not tagged and is naturally endotoxin-free. The purity is greater than 98% as visualized by SDS-PAGE analysis. Rat IL-6 applications are for cell culture, ELISA standard, and Western Blot Control. Rat IL-6 yeast-derived recombinant protein can be purchased in multiple sizes. Rat IL-6 Specifications: (Molecular Weight: 21.7 kDa) (Amino Acid Sequence: FPTSQVRRGD FTEDTTHNRP VYTTSQVGGL ITYVLREILE MRKELCNGNS DCMNSDDALS ENNLKLPEIQ RNDGCFQTGY NQEICLLKIC SGLLEFRFYL EFVKNNLQDN KKDKARVIQS NTETLVHIFK QEIKDSYKIV LPTPTSNALL MEKLESQKEW LRTKTIQLIL KALEEFLKVT MRSTRQT (187)) (Gene ID: 24498). For research use only. Made in the USA