The Zebrafish 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. Zebrafish TGF-alpha applications are for cell culture, ELISA standard, and Western Blot Control. Zebrafish TGF-alpha yeast-derived recombinant protein can be purchased in multiple sizes. Zebrafish TGF-alpha Specifications: (Molecular Weight: 5.4 kDa) (Amino Acid Sequence: SHFDDCPDSH SHFCFHGTCR FLILEETPAC VCHPGFVGMR CEHADLLA (48)) (Gene ID: 100034402). For research use only. Made in the USA