Summary: Cat.No. : RFK-8617H Product Overview : Recombinant Human RFK (Q969G6) mature form (Met1- His155), fused with a polyhistide tag at the N-terminus, was produced in E. coli. Source : E. coli Species : Human Tag : His Form : Lyophilized from a 0.2μm filtered solution of 20mM Tris, 10% glycerol, pH 8.0 Molecular Mass : The recombinant human RFK consists of 170 amino acids and predicts a molecular mass of 19.5 KDa. It migrates as an approximately 20 KDa band in SDS-PAGE under reducing conditions.