Low-affinity receptor for immunoglobulin E (IgE) and CR2/CD21. Has essential roles in the regulation of IgE production and in the differentiation of B-cells (it is a B-cell-specific antigen).
Specificity
Natural and recombinant Human Low affinity immunoglobulin epsilon Fc receptor
Subcellular Location
Cell membrane Single-pass type II membrane protein Secreted Also exists as a soluble excreted form.