Title : The first catalytic step of the light-driven enzyme protochlorophyllide oxidoreductase proceeds via a charge transfer complex.

Pub. Date : 2006 Sep 15

PMID : 16867988






5 Functional Relationships(s)
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Compound Name
Protein Name
Organism
1 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 cytochrome p450 oxidoreductase Homo sapiens
2 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 cytochrome p450 oxidoreductase Homo sapiens
3 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 cytochrome p450 oxidoreductase Homo sapiens
4 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 cytochrome p450 oxidoreductase Homo sapiens
5 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 cytochrome p450 oxidoreductase Homo sapiens