The Bovine IFN beta 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 IFN beta applications are for cell culture, ELISA standard, and Western Blot Control. The Bovine IFN beta yeast-derived recombinant protein can be purchased in multiple sizes. Bovine IFN beta Specifications: (Molecular Weight: 19.4 kDa) (Amino Acid Sequence: SYSLLRFQQR QSLKECQKLL GQLPSTPQHC LEARMDFQMP EEMKQEQQFQ KEDAILVMYE VLQHIFGILT RDFSSTGWSE TIIEDLLEEL YGQMNRLQPI QKEIMQKQNT TAGDTIVPHL GKYYFNLMQY LESKEYDRCA WTVVQVQILT NVSFLMRLTG YVRD (164)) (Gene ID: 281845).