IGJ_HUMAN Protein

Name Immunoglobulin J chain
Description Serves to link two monomer units of either IgM or IgA. In the case of IgM, the J chain-joined dimer is a nucleating unit for the IgM pentamer, and in the case of IgA it induces larger polymers. It also help to bind these immunoglobulins to secretory component.
UniProt ID P01591
Gene JCHAIN