PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 31392261-5 2019 Two key interaction points required for RET extracellular domain binding were observed: (i) the calcium-binding site in RET that contacts GFRalpha2 domain 3 and (ii) the RET cysteine-rich domain interaction with NRTN. Calcium 96-103 ret proto-oncogene Homo sapiens 40-43 31392261-5 2019 Two key interaction points required for RET extracellular domain binding were observed: (i) the calcium-binding site in RET that contacts GFRalpha2 domain 3 and (ii) the RET cysteine-rich domain interaction with NRTN. Calcium 96-103 ret proto-oncogene Homo sapiens 120-123 31392261-5 2019 Two key interaction points required for RET extracellular domain binding were observed: (i) the calcium-binding site in RET that contacts GFRalpha2 domain 3 and (ii) the RET cysteine-rich domain interaction with NRTN. Calcium 96-103 ret proto-oncogene Homo sapiens 120-123