PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 22606018-2 2012 The CYP11A1 gene encodes the key enzyme that catalyzes the initial and rate-limiting step in steroid hormone synthesis. Steroids 93-108 cytochrome P450 family 11 subfamily A member 1 Homo sapiens 4-11