The Atlantic Salmon TGF-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. Atlantic Salmon TGF-alpha applications are for cell culture, ELISA standard, and Western Blot Control. Atlantic Salmon TGF-alpha yeast-derived recombinant protein can be purchased in multiple sizes. Atlantic Salmon TGF-alpha Specifications: (Molecular Weight: 5.7 kDa) (Amino Acid Sequence: VRSHFDDCPD SHSHFCFHGT CRFLILEETP ACVCHQGFVG MRCEHADLLA (50)) (Gene ID: 106583550). For research use only. Made in the USA