PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 7680227-1 1993 The high-affinity receptor for IgE (Fc epsilon RI) has a tetrameric structure structure composed of one alpha, one beta, and two disulfide-linked gamma subunits, of which the alpha subunit binds IgE with high affinity. Disulfides 129-138 Fc epsilon receptor Ia Homo sapiens 36-49