The Swine TNF alpha 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 TNF alpha applications are for cell culture, ELISA standard, and Western Blot Control. The Swine TNF alpha yeast-derived recombinant protein can be purchased in multiple sizes. Swine TNF alpha Specifications: (Molecular Weight: 16.9 kDa) (Amino Acid Sequence: SSSQTSDKPVAHVVANVKAEGQLQWQSGYANALLANGVKLKDNQLVVPTDGLYLIYSQVLFRGQGCPSTNVFLTHTISRIAVSYQTKVNLLSAIKSPCQRETPEGAEAKPWYEPIYLGGVFQLEKDDRLSAEINLPDYLDFAESGQVYFGIIAL) (Gene ID: 397086). For research use only. Made in the USA