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Pentose and glucuronate interconversions

State Icon Reaction EC-Number Confidence maximal confidence score from EnzymeDetector
L-gulonate + NADP+ <=> D-glucuronate + NADPH + H+ 1.1.1.19 glucuronate reductase
1.1.1.2 alcohol dehydrogenase (NADP+)
1.1.1.20 glucuronolactone reductase
1.1.1.21 aldose reductase




UDP-glucose + H2O + NAD+ <=> UDP-glucuronate + NADH + H+ 1.1.1.22 UDP-glucose 6-dehydrogenase

alditol + NADP+ <=> aldose + NADPH + H+ 1.1.1
1.1.1.1 alcohol dehydrogenase
1.1.1.10 L-xylulose reductase
1.1.1.149 20alpha-hydroxysteroid dehydrogenase
1.1.1.156 glycerol 2-dehydrogenase (NADP+)
1.1.1.184 carbonyl reductase (NADPH)
1.1.1.188 prostaglandin-F synthase
1.1.1.19 glucuronate reductase
1.1.1.2 alcohol dehydrogenase (NADP+)
1.1.1.21 aldose reductase
1.1.1.265 3-methylbutanal reductase
1.1.1.274 2,5-didehydrogluconate reductase (2-dehydro-D-gluconate-forming)
1.1.1.283 methylglyoxal reductase (NADPH)
1.1.1.307 D-xylose reductase
1.1.1.365 D-galacturonate reductase
1.1.1.372 D/L-glyceraldehyde reductase
1.1.1.6 glycerol dehydrogenase
1.1.1.71 alcohol dehydrogenase [NAD(P)+]
1.1.1.72 glycerol dehydrogenase (NADP+)
1.3.1.20 trans-1,2-dihydrobenzene-1,2-diol dehydrogenase




















NAD+ + D-arabitol <=> H+ + NADH + D-ribulose 1.1.1.10 L-xylulose reductase
1.1.1.11 D-arabinitol 4-dehydrogenase
1.1.1.14 L-iditol 2-dehydrogenase
1.1.1.250 D-arabinitol 2-dehydrogenase




ATP + D-ribulose <=> H+ + ADP + D-ribulose_5-phosphate 2.7.1.16 ribulokinase
2.7.1.47 D-ribulokinase


D-arabinopyranose <=> D-ribulose 5.3.1.3 D-arabinose isomerase

NAD+ + D-altronate <=> H+ + NADH + D-tagaturonate 1.1.1.57 fructuronate reductase
1.1.1.58 tagaturonate reductase


L-Lyxose <=> L-xylulose 5.1.3
5.3.1
5.3.1.14 L-rhamnose isomerase
5.3.1.15 D-lyxose ketol-isomerase
5.3.1.3 D-arabinose isomerase
5.3.1.6 ribose-5-phosphate isomerase
5.3.1.8 mannose-6-phosphate isomerase







dihydroxyacetone_phosphate + glycolaldehyde <=> L-xylulose_1-phosphate 4.1.2.19 rhamnulose-1-phosphate aldolase

D-ribitol_5-phosphate + NADP+ <=> D-ribulose_5-phosphate + NADPH + H+ 1.1.1.137 ribitol-5-phosphate 2-dehydrogenase
1.1.1.405 ribitol-5-phosphate 2-dehydrogenase (NADP+)


D-glucuronate <=> D-fructuronate 5.3.1.12 glucuronate isomerase

L-ribulose + ATP <=> H+ + L-ribulose_5-phosphate + ADP 2.7.1.16 ribulokinase
2.7.1.17 xylulokinase


alpha-D-galacturonosyl-(1rarr4)-alpha-D-galacturonate + H2O <=> D-galacturonate 3.2.1.15 endo-polygalacturonase
3.2.1.67 galacturonan 1,4-alpha-galacturonidase


UDP-glucuronate + rhodopsin <=> UDP + a_beta-D-glucuronoside 2.4.1.17 glucuronosyltransferase

D-ribulose_5-phosphate <=> D-xylulose_5-phosphate 5.1.3.1 ribulose-phosphate 3-epimerase
5.3.1.34 D-erythrulose 4-phosphate isomerase


4-deoxy-L-threo-5-hexosulose-uronate <=> (4S)-4,6-dihydroxy-2,5-dioxohexanoate 5.3.1.17 5-dehydro-4-deoxy-D-glucuronate isomerase

a_beta-D-glucuronoside + H2O <=> D-glucuronate + an_alcohol 3.2.1.31 beta-glucuronidase

D-ribitol_5-phosphate + NAD+ <=> D-ribulose_5-phosphate + NADH + H+ 1.1.1.137 ribitol-5-phosphate 2-dehydrogenase

xylitol + NAD+ <=> D-xylose + NADH + H+ 1.1.1.21 aldose reductase
1.1.1.307 D-xylose reductase


(4R,5S)-4,5,6-trihydroxy-2,3-dioxohexanoate + H2O <=> L-lyxonate + CO2 4.1.1

L-ribulose_5-phosphate <=> L-xylulose_5-phosphate 5.1.3.22 L-ribulose-5-phosphate 3-epimerase

xylitol + NAD+ <=> D-xylulose + NADH + H+ 1.1.1.10 L-xylulose reductase
1.1.1.14 L-iditol 2-dehydrogenase
1.1.1.15 D-iditol 2-dehydrogenase
1.1.1.250 D-arabinitol 2-dehydrogenase
1.1.1.287 D-arabinitol dehydrogenase (NADP+)
1.1.1.9 D-xylulose reductase
1.1.1.B19







D-xylose <=> D-xylulose 5.3.1.26 galactose-6-phosphate isomerase
5.3.1.3 D-arabinose isomerase
5.3.1.4 L-arabinose isomerase
5.3.1.5 xylose isomerase




H+ + 3-dehydro-L-gulonate <=> L-xylulose + CO2 4.1.1.34 dehydro-L-gulonate decarboxylase

D-xylulose + ATP <=> H+ + D-xylulose_5-phosphate + ADP 2.7.1.16 ribulokinase
2.7.1.17 xylulokinase


D-arabitol + NAD+ <=> D-xylulose + NADH + H+ 1.1.1.10 L-xylulose reductase
1.1.1.11 D-arabinitol 4-dehydrogenase
1.1.1.14 L-iditol 2-dehydrogenase
1.1.1.287 D-arabinitol dehydrogenase (NADP+)
1.1.1.56 ribitol 2-dehydrogenase
1.1.1.67 mannitol 2-dehydrogenase






2-dehydro-3-deoxy-D-xylonate <=> glycolaldehyde + pyruvate 4.1.2.18 2-dehydro-3-deoxy-L-pentonate aldolase
4.1.2.28 2-dehydro-3-deoxy-D-pentonate aldolase
4.1.2.54 L-threo-3-deoxy-hexylosonate aldolase
4.1.2.55 2-dehydro-3-deoxy-phosphogluconate/2-dehydro-3-deoxy-6-phosphogalactonate aldolase
4.1.3.39 4-hydroxy-2-oxovalerate aldolase





D-arabitol + NADP+ <=> D-ribulose + NADPH + H+ 1.1.1.287 D-arabinitol dehydrogenase (NADP+)

pectate <=> unsaturated_digalacturonic_acid + pectate 4.2.2.2 pectate lyase
4.2.2.9 pectate disaccharide-lyase


D-altronate <=> H2O + 2-dehydro-3-deoxy-D-gluconate 4.2.1.68 L-fuconate dehydratase
4.2.1.7 altronate dehydratase


D-arabitol + NADP+ <=> D-xylulose + NADPH + H+ 1.1.1.14 L-iditol 2-dehydrogenase
1.1.1.287 D-arabinitol dehydrogenase (NADP+)


D-mannonate <=> H2O + 2-dehydro-3-deoxy-D-gluconate 4.2.1.68 L-fuconate dehydratase
4.2.1.8 mannonate dehydratase


D-xylose + NAD+ <=> D-xylono-1,5-lactone + NADH + H+ 1.1.1.121 aldose 1-dehydrogenase (NAD+)
1.1.1.122 D-threo-aldose 1-dehydrogenase
1.1.1.175 D-xylose 1-dehydrogenase
1.1.1.179 D-xylose 1-dehydrogenase (NADP+, D-xylono-1,5-lactone-forming)
1.1.1.18 inositol 2-dehydrogenase
1.1.1.359 aldose 1-dehydrogenase [NAD(P)+]
1.1.1.376 L-arabinose 1-dehydrogenase [NAD(P)+]
1.1.1.424 D-xylose 1-dehydrogenase (NADP+, D-xylono-1,4-lactone-forming)
1.1.1.47 glucose 1-dehydrogenase [NAD(P)+]









pectate + H2O <=> digalacturonic_acid + pectate 3.2.1.15 endo-polygalacturonase
3.2.1.82 exo-poly-alpha-digalacturonosidase


ribitol + ferricytochrome_c <=> D-ribulose + ferricytochrome_c 1.1.2.2 mannitol dehydrogenase (cytochrome)

L-arabitol + NAD+ <=> L-xylulose + NADH + H+ 1.1.1.12 L-arabinitol 4-dehydrogenase
1.1.1.16 galactitol 2-dehydrogenase
1.1.1.56 ribitol 2-dehydrogenase
1.1.1.9 D-xylulose reductase




D-xylose + NADP+ <=> D-xylono-1,5-lactone + NADPH + H+ 1.1.1.179 D-xylose 1-dehydrogenase (NADP+, D-xylono-1,5-lactone-forming)
1.1.1.359 aldose 1-dehydrogenase [NAD(P)+]
1.1.1.376 L-arabinose 1-dehydrogenase [NAD(P)+]
1.1.1.424 D-xylose 1-dehydrogenase (NADP+, D-xylono-1,4-lactone-forming)
1.1.1.47 glucose 1-dehydrogenase [NAD(P)+]
1.1.1.B35






L-arabitol + NADP+ <=> L-arabinopyranose + NADPH + H+ 1.1.1.2 alcohol dehydrogenase (NADP+)
1.1.1.21 aldose reductase
1.1.1.307 D-xylose reductase



D-galacturonate + NADPH + H+ <=> L-galactonate + NADP+ 1.1.1
1.1.1.2 alcohol dehydrogenase (NADP+)
1.1.1.203 uronate dehydrogenase
1.1.1.21 aldose reductase
1.1.1.365 D-galacturonate reductase





3-dehydro-L-gulonate + ATP <=> H+ + 3-dehydro-L-gulonate_6-phosphate + ADP 2.7.1.53 L-xylulokinase

L-gulonate + NAD+ <=> D-fructuronate + NADH + H+ 1.1.1.380 L-gulonate 5-dehydrogenase

xylitol + NADP+ <=> L-xylulose + NADPH + H+ 1.1.1.10 L-xylulose reductase
1.1.1.21 aldose reductase
1.1.1.B64



H+ + 3-dehydro-L-gulonate_6-phosphate <=> L-xylulose_5-phosphate + CO2 4.1.1.85 3-dehydro-L-gulonate-6-phosphate decarboxylase

2-dehydro-3-deoxy-D-gluconate + NAD+ <=> (4S)-4,6-dihydroxy-2,5-dioxohexanoate + NADH + H+ 1.1.1.125 2-deoxy-D-gluconate 3-dehydrogenase
1.1.1.127 2-dehydro-3-deoxy-D-gluconate 5-dehydrogenase


D-glucuronate + ATP <=> alpha-D-glucuronic_acid_1-phosphate + ADP + H+ 2.7.1.43 glucuronokinase

L-arabitol + NAD+ <=> L-ribulose + NADH + H+ 1.1.1.13 L-arabinitol 2-dehydrogenase
1.1.1.14 L-iditol 2-dehydrogenase
1.1.1.16 galactitol 2-dehydrogenase



H+ + alpha-D-glucuronic_acid_1-phosphate + UTP <=> UDP-glucuronate + diphosphate 2.7.7.44 glucuronate-1-phosphate uridylyltransferase
2.7.7.64 UTP-monosaccharide-1-phosphate uridylyltransferase


L-arabinose + NADH <=> L-arabitol + NAD+ 1.1.1.14 L-iditol 2-dehydrogenase
1.1.1.21 aldose reductase
1.1.1.255 mannitol dehydrogenase
1.1.1.307 D-xylose reductase




Pectin + H2O <=> pectate + methanol + H+ 3.1.1.11 pectinesterase

ribitol + NAD+ <=> D-ribulose + NADH + H+ 1.1.1.114 apiose 1-reductase
1.1.1.14 L-iditol 2-dehydrogenase
1.1.1.287 D-arabinitol dehydrogenase (NADP+)
1.1.1.56 ribitol 2-dehydrogenase
1.1.1.9 D-xylulose reductase





xylitol + O2 <=> D-xylose + H2O2 1.1.3.41 alditol oxidase

3-dehydro-L-gulonate + NAD+ <=> (4R,5S)-4,5,6-trihydroxy-2,3-dioxohexanoate + NADH + H+ 1.1.1.130 3-dehydro-L-gulonate 2-dehydrogenase

NAD+ + L-gulonate <=> H+ + NADH + 3-dehydro-L-gulonate 1.1.1.45 L-gulonate 3-dehydrogenase

D-xylonate <=> H2O + 2-dehydro-3-deoxy-D-xylonate 4.2.1.82 xylonate dehydratase

L-xylulose + ATP <=> H+ + L-xylulose_5-phosphate + ADP 2.7.1.16 ribulokinase
2.7.1.53 L-xylulokinase


L-ribulose_5-phosphate <=> D-xylulose_5-phosphate 5.1.3.4 L-ribulose-5-phosphate 4-epimerase

L-galactonate <=> 2-dehydro-3-deoxy-L-galactonate + H2O 4.2.1.146 L-galactonate dehydratase
4.2.1.68 L-fuconate dehydratase


3-dehydro-L-gulonate + NADP+ <=> (4R,5S)-4,5,6-trihydroxy-2,3-dioxohexanoate + NADPH + H+ 1.1.1.130 3-dehydro-L-gulonate 2-dehydrogenase

ATP + L-xylulose <=> ADP + L-xylulose_1-phosphate 2.7.1.5 rhamnulokinase

D-galacturonate + NADH + H+ <=> L-galactonate + NAD+ 1.1.1
1.1.1.365 D-galacturonate reductase


2,5-dioxopentanoate + H2O + NAD+ <=> 2-oxoglutarate + NADH + H+ 1.2.1
1.2.1.16 succinate-semialdehyde dehydrogenase [NAD(P)+]
1.2.1.20 glutarate-semialdehyde dehydrogenase
1.2.1.24 succinate-semialdehyde dehydrogenase (NAD+)
1.2.1.26 2,5-dioxovalerate dehydrogenase
1.2.1.3 aldehyde dehydrogenase (NAD+)






D-xylose + NADP+ <=> D-xylono-1,4-lactone + NADPH + H+ 1.1.1.424 D-xylose 1-dehydrogenase (NADP+, D-xylono-1,4-lactone-forming)

D-Lyxose <=> D-xylulose 5.3.1.15 D-lyxose ketol-isomerase
5.3.1.B3


alpha-D-glucose_1-phosphate + UTP + H+ <=> UDP-glucose + diphosphate 2.7.7.23 UDP-N-acetylglucosamine diphosphorylase
2.7.7.24 glucose-1-phosphate thymidylyltransferase
2.7.7.28 nucleoside-triphosphate-aldose-1-phosphate nucleotidyltransferase
2.7.7.33 glucose-1-phosphate cytidylyltransferase
2.7.7.64 UTP-monosaccharide-1-phosphate uridylyltransferase
2.7.7.9 UTP---glucose-1-phosphate uridylyltransferase






unsaturated_digalacturonic_acid <=> 4-deoxy-L-threo-5-hexosulose-uronate 4.2.2.6 oligogalacturonide lyase

2-dehydro-3-deoxy-L-galactonate <=> L-glyceraldehyde + pyruvate 4.1.2.23 3-deoxy-D-manno-octulosonate aldolase
4.1.2.54 L-threo-3-deoxy-hexylosonate aldolase
4.1.2.55 2-dehydro-3-deoxy-phosphogluconate/2-dehydro-3-deoxy-6-phosphogalactonate aldolase



pectate + H2O <=> D-galacturonate + pectate 3.2.1.15 endo-polygalacturonase
3.2.1.67 galacturonan 1,4-alpha-galacturonidase


D-galacturonate <=> D-tagaturonate 5.3.1.12 glucuronate isomerase

D-xylono-1,5-lactone + H2O <=> D-xylonate + H+ 3.1.1.110 xylono-1,5-lactonase

2-dehydro-3-deoxy-D-xylonate <=> 2,5-dioxopentanoate + H2O 4.2.1.141 2-dehydro-3-deoxy-D-arabinonate dehydratase

xylitol + NADP+ <=> D-xylose + NADPH + H+ 1.1.1.138 mannitol 2-dehydrogenase (NADP+)
1.1.1.188 prostaglandin-F synthase
1.1.1.19 glucuronate reductase
1.1.1.2 alcohol dehydrogenase (NADP+)
1.1.1.21 aldose reductase
1.1.1.289 sorbose reductase
1.1.1.307 D-xylose reductase
1.1.1.72 glycerol dehydrogenase (NADP+)








CTP + D-ribitol_5-phosphate + H+ <=> CDP-ribitol + diphosphate 2.7.7.40 D-ribitol-5-phosphate cytidylyltransferase

D-mannonate + NAD+ <=> D-fructuronate + NADH + H+ 1.1.1.57 fructuronate reductase

2,5-dioxopentanoate + H2O + NADP+ <=> 2-oxoglutarate + NADPH + H+ 1.2.1.16 succinate-semialdehyde dehydrogenase [NAD(P)+]
1.2.1.24 succinate-semialdehyde dehydrogenase (NAD+)
1.2.1.26 2,5-dioxovalerate dehydrogenase
1.2.1.3 aldehyde dehydrogenase (NAD+)




D-tagaturonate <=> D-fructuronate 5.1.2.7 tagaturonate epimerase

L-arabinopyranose <=> L-ribulose 5.3.1.4 L-arabinose isomerase
5.3.1.5 xylose isomerase


(4R,5S)-4,5,6-trihydroxy-2,3-dioxohexanoate + H2O <=> L-xylonate + CO2 4.1.1

D-xylono-1,4-lactone + H2O <=> D-xylonate + H+ 3.1.1.68 xylono-1,4-lactonase

xylitol + NAD+ <=> D-xylulose + NADH + H+ 1.1.1.10 L-xylulose reductase
1.1.1.14 L-iditol 2-dehydrogenase
1.1.1.15 D-iditol 2-dehydrogenase
1.1.1.250 D-arabinitol 2-dehydrogenase
1.1.1.287 D-arabinitol dehydrogenase (NADP+)
1.1.1.9 D-xylulose reductase
1.1.1.B19







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