MBL Life Sciences DDDDK-tagged Protein PURIFICATION CARTRIDGE (formerly product code #3326K) Catalog No.(s): MBL-3326KR Recombinant tagged proteins are widely used for protein purification and protein characterization. There are many purification methods and kits available. DDDDK epitope tag (DYKDDDDK) has been widely... MSRP: Was: Now: $839.00 Choose Options