Purity: > 95% by SDS - PAGE Format: Liquid. In 20mM Phosphate buffer saline (pH 8.0) containing 10% glycerol, 1mM DTT . VCPKMT is a protein-lysine N-methyltransferase that specifically trimethylates 'Lys-315' of VCP/p97; this modification may decrease VCP ATPase activity. Recombinant human VCPKMT protein, fused to His-tag at N-terminus, was expressed in E.coli and purified by using conventional chromatography techniques.