PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 15511223-7 2004 In the skin, 5,7-steroidal dienes (7-DHP and its hydroxy derivatives), whether synthesized locally or delivered by the circulation, may undergo UVB-induced intramolecular rearrangements to vitamin D3-like derivatives. Cholecalciferol 189-199 dihydropyrimidinase Homo sapiens 37-40