The Human M-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 M-CSF applications are for cell culture, ELISA standard, and Western Blot Control. Human M-CSF yeast-derived recombinant protein can be purchased in multiple sizes. Human M-CSF Specifications: (Molecular Weight: 18.4 kDa) (Amino Acid Sequence: EEVSEYCSHM IGSGHLQSLQ RLIDSQMETS CQITFEFVDQ EQLKDPVCYL KKAFLLVQDI MEDTMRFRDN TPNAIAIVQL QELSLRLKSC FTKDYEEHDK ACVRTFYETP LQLLEKVKNV FNETKNLLDK DWNIFSKNCN NSFAECSSQG HERQSEGS (158)) (Gene ID: 1435). For research use only. Made in the USA