The Feline GM-CSF yeast-derived recombinant protein is not tagged and is naturally endotoxin-free. The purity is greater than 98% as visualized by SDS-PAGE analysis. Feline GM-CSF applications are for cell culture, ELISA standard, and Western Blot Control. Feline GM-CSF yeast-derived recombinant protein can be purchased in multiple sizes. Feline GM-CSF Specifications: (Molecular Weight: 14.5 kDa) (Amino Acid Sequence: APTSSPSSVT RPWQHVDAMK EALSLLNNSS EITAVMNETV EVVSEMFDPE EPKCLQTHLK LYEQGLRGSL ISLKEPLRMM ANHYKQHCPL TPETPCETQT ITFKNFKEKL KDFLFNNPFD CWGPDQK (127)) (Gene ID: 493805). For research use only. Made in the USA