PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 18767934-1 2009 CYP27B1, encoding 25-hydroxyvitamin D-1alpha-hydroxylase, converts 25-hydroxyvitamin D to its active form, 1,25-dihydroxyvitamin D, and is expressed primarily in the kidney but also in nontraditional sites including the parathyroid glands. 1,25-dihydroxyvitamin D 107-130 cytochrome P450 family 27 subfamily B member 1 Homo sapiens 0-7