PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 11416220-1 2001 The active form of vitamin D, 1alpha,25-dihydroxyvitamin D [1alpha,25(OH)2D], is synthesized from its precursor 25 hydroxyvitamin D [25(OH)D] via the catalytic action of the 25(OH)D-1alpha-hydroxylase [1alpha(OH)ase] enzyme. 1,25-dihydroxyvitamin D 30-58 cytochrome P450, family 27, subfamily b, polypeptide 1 Mus musculus 174-200 11416220-1 2001 The active form of vitamin D, 1alpha,25-dihydroxyvitamin D [1alpha,25(OH)2D], is synthesized from its precursor 25 hydroxyvitamin D [25(OH)D] via the catalytic action of the 25(OH)D-1alpha-hydroxylase [1alpha(OH)ase] enzyme. 1,25-dihydroxyvitamin D 30-58 cytochrome P450, family 27, subfamily b, polypeptide 1 Mus musculus 202-215