Fc EpsilonR II, Fc_RII, Blast 2, Blast2, C type lectin domain family 4 member J, C-type lectin domain family 4, member J, CD 23, CD 23A, CD23 antigen, CD23A, CLEC 4J, CLEC4J, Fc epsilon RII, Fc fragment of IgE low affinity II receptor for, Fc fragment of
The protein encoded by this gene is a B-cell specific antigen, and a low-affinity receptor for IgE. It has essential roles in B cell growth and differentiation, and the regulation of IgE production. This protein also exists as a soluble secreted form, th