Low affinity immunoglobulin gamma Fc region receptor IV (Fcgr4)

Receptor for the Fc region of immunoglobulin gamma (PubMed:16039578). Also functions as a receptor for the Fc region of immunoglobulin epsilon (PubMed:17558411, PubMed:18949059).

Binds with intermediate affinity to both IgG2a and IgG2b (PubMed:16039578, PubMed:17558411, PubMed:19795417). Can bind to IgG2a and IgG2b monomers (PubMed:18949059).