The Human 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. Human GM-CSF applications are for cell culture, ELISA standard, and Western Blot Control. The Human GM-CSF yeast-derived recombinant protein can be purchased in multiple sizes. Human GM-CSF Specifications: (Molecular Weight: 14.5 kDa) (Amino Acid Sequence: APARSPSPST QPWEHVNAIQ EARRLLNLSR DTAAEMNETV EVISEMFDLQ EPTCLQTRLE LYKQGLRGSL TKLKGPLTMM ASHYKQHCPP TPETSCATQI ITFESFKENL KDFLLVIPFD CWEPVQE (127)) (Gene ID: 1437). For research use only. Made in the USA