PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 16867988-1 2006 In chlorophyll biosynthesis protochlorophyllide reductase (POR) catalyzes the light-driven reduction of protochlorophyllide (Pchlide) to chlorophyllide, providing a rare opportunity to trap and characterize catalytic intermediates at low temperatures. Protochlorophyllide 28-47 cytochrome p450 oxidoreductase Homo sapiens 59-62 16867988-1 2006 In chlorophyll biosynthesis protochlorophyllide reductase (POR) catalyzes the light-driven reduction of protochlorophyllide (Pchlide) to chlorophyllide, providing a rare opportunity to trap and characterize catalytic intermediates at low temperatures. Protochlorophyllide 125-132 cytochrome p450 oxidoreductase Homo sapiens 28-57 16867988-1 2006 In chlorophyll biosynthesis protochlorophyllide reductase (POR) catalyzes the light-driven reduction of protochlorophyllide (Pchlide) to chlorophyllide, providing a rare opportunity to trap and characterize catalytic intermediates at low temperatures. Protochlorophyllide 125-132 cytochrome p450 oxidoreductase Homo sapiens 59-62 16867988-8 2006 A catalytic mechanism of POR is suggested in which Pchlide absorbs a photon, creating a transient charge separation across the C-17-C-18 double bond, which promotes ultrafast hydride transfer from the pro-S face of NADPH to the C-17 of Pchlide. Protochlorophyllide 51-58 cytochrome p450 oxidoreductase Homo sapiens 25-28 16867988-8 2006 A catalytic mechanism of POR is suggested in which Pchlide absorbs a photon, creating a transient charge separation across the C-17-C-18 double bond, which promotes ultrafast hydride transfer from the pro-S face of NADPH to the C-17 of Pchlide. Protochlorophyllide 236-243 cytochrome p450 oxidoreductase Homo sapiens 25-28