The Mouse Midkine yeast-derived recombinant protein is not tagged and is naturally endotoxin-free. The purity is greater than 98% as visualized by SDS-PAGE analysis. Mouse Midkine applications are for cell culture, ELISA standard, and Western Blot Control. Mouse Midkine yeast-derived recombinant protein can be purchased in multiple sizes. Mouse Midkine Specifications: (Molecular Weight: 13.1 kDa) (Amino Acid Sequence: KKKEKVKKGS ECSEWTWGPC TPSSKDCGMG FREGTCGAQT QRVHCKVPCN WKKEFGADCK YKFESWGACD GSTGTKARQG TLKKARYNAQ CQETIRVTKP CTSKTKSKTK AKKGKGKD (118)) (Gene ID: 17242). For research use only. Made in the USA