The Horseshoe Bat 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. Horseshoe Bat GM-CSF applications are for cell culture, ELISA Standard, ELISpot Control, and Western Blot Control. Horseshoe Bat GM-CSF Specifications: (Molecular Weight:14.2 kDa) (Amino Acid Sequence:APTRPPSPVT RPFQHVDAIK EALSLLNQIS EPAAMTHEAE VVSEMFNPEK PTCLQQRLQL YTQGLQGNLT RLERPLTLIA NHYKQHCSSP TETPCKTDTV TIKMLKEMLR EFLLIIPLDC WPVQK). For research use only. Made in the USA.