The Dolphin 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. Dolphin CCL2 applications are for cell culture, ELISA standard, and Western Blot Control. Dolphin CCL2 yeast-derived recombinant protein can be purchased in multiple sizes. Dolphin CCL2 Specifications: (Molecular Weight: 8.8 kDa) (Amino Acid Sequence: QPDAINSPVT CCYTFANKKI SNQRLMSYRR VTSSKCPKEA VIFKTILGKD ICADPKQKWV QDSMRHLDKK RQTPKP (76)) (Gene ID: 101326847). For research use only. Made in the USA