The Human CCL2 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 CCL2 applications are for cell culture, ELISA standard, and Western Blot Control. Human CCL2 yeast-derived recombinant protein can be purchased in multiple sizes. Human CCL2 Specifications: (Molecular Weight: 8.9 kDa) (Amino Acid Sequence: QPDAINAPVT CCYNFTNRKI SVQRLASYRR ITSSKCPKEA VIFKTIVAKE ICADPKQKWV QDSMDHLDKQ TQTPKT (76)) (Gene ID: 6347). For research use only. Made in the USA