Summary: Cat.No. : ErbB4-7283H Product Overview : Recombinant Human ErbB4 (NP_005226.1) (Met1-Arg649), fused with a C-terminal polyhistidine tag, was produced in Human Cell. Source : Human Cells Species : Human Tag : His Form : Lyophilized from a 0.2μm filtered solution of sterile PBS, pH 7.4 Molecular Mass : The recombinant human ERBB4 is a disulfide-linked homodimer. The reduced monomer comprises 635 amino acids and has a predicted molecular mass of 71.1 kDa. The apparent molecular mass of the protein is approximately 102 kDa in SDS-PAGE under reducing conditions.