PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 6894095-1 1980 A convenient, accurate assay was developed for determining skin cholesta-5,7-dien-3 beta-ol (7,8-didehydrocholesterol) concentrations. 7-dehydrocholesterol 93-117 integrin subunit beta 1 Rattus norvegicus 84-91