PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 19290868-1 2009 The enzyme POR (protochlorophyllide oxidoreductase), from the family of alcohol dehydrogenases, reduces protochlorophyllide into chlorophyllide on the absorption of light. Protochlorophyllide 16-35 cytochrome p450 oxidoreductase Homo sapiens 11-14