1.1.1.267 (3R,4S)-dihydroxy-5-oxohexylphosphonic acid + NADPH - Synechocystis sp. ? + NADP+ - ? 371275 1.1.1.267 1,2-dideoxy-D-threo-3-hexulose 6-phosphate + NADPH + H+ i.e. 1-methyl-1-deoxy-D-xylulose 5-phosphate or M-DXP, a substrate analogue whichis inactive with the wild-type but active with mutant W204F Synechocystis sp. 2-C-ethyl-D-erythritol 4-phosphate + NADP+ - ? 386942 1.1.1.267 1-deoxy-D-xylulose 5-phosphate + NAD(P)H + H+ - Hevea brasiliensis 2-C-methyl-D-erythritol 4-phosphate + NAD(P)+ - ? 386990 1.1.1.267 1-deoxy-D-xylulose 5-phosphate + NAD(P)H + H+ the forward reaction is preferred Arabidopsis thaliana 2-C-methyl-D-erythritol 4-phosphate + NAD(P)+ - r 386990 1.1.1.267 1-deoxy-D-xylulose 5-phosphate + NAD(P)H + H+ NADPH is the preferred cofactor Plectranthus barbatus 2-C-methyl-D-erythritol 4-phosphate + NAD(P)+ - ? 386990 1.1.1.267 1-deoxy-D-xylulose 5-phosphate + NAD(P)H + H+ inverse secondary kinetic isotope effects for both 3-[2H] and 4-[2H]-D-1-deoxyxylulose-5-phosphate during DXR-catalyzed isomerization indicates that the enzyme operates through a retro-aldol/aldol mechanism Escherichia coli 2-C-methyl-D-erythritol 4-phosphate + NAD(P)+ - ? 386990 1.1.1.267 1-deoxy-D-xylulose 5-phosphate + NADPH - synthetic construct ? + NADP+ - ? 403223 1.1.1.267 1-deoxy-D-xylulose 5-phosphate + NADPH + H+ - Escherichia coli 2-C-methyl-D-erythritol 4-phosphate + NADP+ - ? 187985 1.1.1.267 1-deoxy-D-xylulose 5-phosphate + NADPH + H+ - Escherichia coli 2-C-methyl-D-erythritol 4-phosphate + NADP+ - ir 187985 1.1.1.267 1-deoxy-D-xylulose 5-phosphate + NADPH + H+ - Escherichia coli 2-C-methyl-D-erythritol 4-phosphate + NADP+ - r 187985