The Swine 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. Swine IFN beta applications are for cell culture, ELISA standard, and Western Blot Control. The Swine IFN beta yeast-derived recombinant protein can be purchased in multiple sizes. Swine IFN beta Specifications: (Molecular Weight: 19.5 kDa) (Amino Acid Sequence: SYDVLRYQQR SSNLACQKLL GQLPGTPQYC LEDRMNFEVP EEIMQPPQFQ KEDAVLIIHE MLQQIFGILR RNFSSTGWNE TVIKTILVEL DGQMDDLETI LEEIMEEENF PRGDMTILHL KKYYLSILQY LKSKEYRSCA WTVVQVEILR NFSFLNRLTD YLRN) (Gene ID: 445459). For research use only. Made in the USA