1.3.1.33	protochlorophyllide + NADPH	the enzyme might be directly involved in the regulation of the metabolism of other porphyrins	
1.3.1.33	protochlorophyllide + NADPH	the expression of both isoforms, POR1 and POR2, is not negatively regulated by light and persists in matured green tissues. The expression of both genes appears to be regulated by a diurnal regulation	
1.3.1.33	protochlorophyllide + NADPH + H+	-	
1.3.1.33	protochlorophyllide + NADPH + H+	activation by light	
1.3.1.33	protochlorophyllide + NADPH + H+	light-dependent reaction of chlorophyll biosynthesis	
1.3.1.33	protochlorophyllide + NADPH + H+	the enzyme (LPOR) catalyzes a photocatalytic reaction	
1.3.1.33	protochlorophyllide + reduced ferredoxin	ferredoxin is the natural electron donor	
1.3.1.33	protochlorophyllide a + NADPH + H+	-