PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 14636070-4 2003 From hydrogen-deuterium exchange, the secondary structure of the water-accessible part of 5-HT(3)R was determined as 14% alpha-helix, 16% beta-strand, 26% beta-turn, and 14% nonregular structures. Water 65-70 5-hydroxytryptamine receptor 3A Homo sapiens 90-98