PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
2999689-11	1985	When the amount of [3H]-25-hydroxyvitamin D3 formed was expressed in relation to the amount of enzyme present in the reaction medium, a constant C-25 hydroxylation capacity in all age groups was observed suggesting that the cytochrome P-450 isoenzyme responsible for the C-25 hydroxylation of vitamin D3 may be constitutionally determined and that its appearance originates during fetal life.	Cholecalciferol	34-44	cytochrome P450, family 2, subfamily g, polypeptide 1	Rattus norvegicus	224-240