PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 22484315-1 2012 Vitamin D, whose levels vary seasonally with sunlight, is activated to 1alpha,25-dihydroxyvitamin D(3) that binds the vitamin D receptor (VDR) and transcriptionally regulates intestinal CYP3A4 expression. 1,25-dihydroxyvitamin D 71-99 cytochrome P450 family 3 subfamily A member 4 Homo sapiens 186-192