PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 25242331-6 2014 The RET(ECD) cysteine-rich domain (CRD) contacts both ligand components and makes homotypic membrane-proximal interactions occluding three different antibody epitopes. Cysteine 13-21 ret proto-oncogene Homo sapiens 4-7