Ly-42 low-affinity IgE receptor O Fce2 genetic mapping protein coding gene CD23 http://identifiers.org/mgd/MGI:95497 - Fc receptor, IgE, low affinity II, alpha polypeptide Gene FC epsilon RII Fce2|CD23|Ly-42|low-affinity IgE receptor|FC epsilon RII Fcer2a MGI:95497