PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 15083599-1 2004 Vitamin D3 is modified by vitamin D3-25-hydroxylase in the liver and 25-hydroxyvitamin D3-1 alpha-hydroxylase in the kidney to form the active metabolite 1 alpha,25-dihydroxyvitamin D3. Cholecalciferol 0-10 cytochrome P450 family 27 subfamily A member 1 Homo sapiens 26-51