PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
12421875-5	2002	Levels are determined by skin exposure to ultraviolet light or, to a minor extent, nutritional uptake and by subsequent conversion of the precursor vitamin D to the active hormone by the cytochrome P450 hydroxylases CYP27A1, CYP27B1 (responsible for synthesis) and CYP24 (responsible for catabolism) in liver and kidney.	Vitamin D	148-157	cytochrome P450, family 24, subfamily a, polypeptide 1	Mus musculus	265-270