The Rabbit 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. Rabbit Midkine applications are for cell culture, ELISA standard, and Western Blot Control. Rabbit Midkine yeast-derived recombinant protein can be purchased in multiple sizes. Rabbit Midkine Specifications: (Molecular Weight: 13.1 kDa) (Amino Acid Sequence: KKKDKVKGGP GSECAEWTWG PCTPSSKDCG VGFREGTCGA QTQRIRCRLP CNWKKEFGAD CKYKFDSWGA CDGGTGTKAR QGTLKKARYN AQCQETIRVT KPCTPKTKAK AKAKKGKAKD (120)) (Gene ID: 100008929). For research use only. Made in the USA