RXN-19765
EC 3.2.1.23 · RXN-19765 · not reversible · 3 isoenzymes
Network centrality
0.04614
top 95.4%
Chokepoint
No
Metabolic context: more central than 95.4% of genes in this genome.
Pathways
KEGG pathways this gene's reaction(s) belong to.
No specific KEGG pathway assigned - this reaction either has no KEGG mapping, or only matches a generic overview map with no route-level information.
Network
Two-hop reaction neighborhood around this protein; pathway boxes use one primary KEGG route per reaction when several mappings exist. Click a pathway box to open its full route map.
Reaction catalyzed by this protein
Chokepoint reaction
Neighbor reaction
Pathway grouping (2+ reactions sharing a route)
Connected reaction (arrow shows direction, when known)
⇌ Reversible reaction (double arrow)
Cross-pathway connection
Selected reaction
Click a node in the network above, or a row in the table below, to inspect it here.
Select a node
- EC
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- Pathway
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- Genes
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- Role
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- Isoenzymes
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Catalyzed reactions
Every reaction this gene catalyzes, with substrates/products and isoenzyme backup.
RXN-19765-CPD-9116/WATER//P-NITROPHENOL/ALPHA-D-GALACTOSE/PROTON.55.
EC - · RXN-19765-CPD-9116/WATER//P-NITROPHENOL/ALPHA-D-GALACTOSE/PROTON.55. · not reversible · 3 isoenzymes
4-nitrophenyl-beta-D-galactoside
H2O
→
4-nitrophenol
alpha-D-galactopyranose
H+
RXN-19765-CPD-9116/WATER//P-NITROPHENOL/GALACTOSE/PROTON.47.
EC - · RXN-19765-CPD-9116/WATER//P-NITROPHENOL/GALACTOSE/PROTON.47. · not reversible · 3 isoenzymes
4-nitrophenyl-beta-D-galactoside
H2O
→
4-nitrophenol
beta-D-galactopyranose
H+
RXN-24169[CCO-CYTOSOL]-CPD-9115/WATER//CPD-258/ALPHA-D-GALACTOSE/PROTON.62.
EC - · RXN-24169[CCO-CYTOSOL]-CPD-9115/WATER//CPD-258/ALPHA-D-GALACTOSE/PROTON.62. · reversible · 3 isoenzymes
2-nitrophenyl beta-D-galactoside
H2O
⇌
2-nitrophenol
alpha-D-galactopyranose
H+
RXN-24169[CCO-CYTOSOL]-CPD-9115/WATER//CPD-258/D-galactopyranose/PROTON.62.
EC - · RXN-24169[CCO-CYTOSOL]-CPD-9115/WATER//CPD-258/D-galactopyranose/PROTON.62. · reversible · 3 isoenzymes
2-nitrophenyl beta-D-galactoside
H2O
⇌
2-nitrophenol
D-galactopyranose
H+
RXN-24169[CCO-CYTOSOL]-CPD-9115/WATER//CPD-258/GALACTOSE/PROTON.54.
EC - · RXN-24169[CCO-CYTOSOL]-CPD-9115/WATER//CPD-258/GALACTOSE/PROTON.54. · reversible · 3 isoenzymes
2-nitrophenyl beta-D-galactoside
H2O
⇌
2-nitrophenol
beta-D-galactopyranose
H+
RXN-24169[CCO-PERI-BAC]-CPD-9115/WATER//CPD-258/ALPHA-D-GALACTOSE/PROTON.63.
EC - · RXN-24169[CCO-PERI-BAC]-CPD-9115/WATER//CPD-258/ALPHA-D-GALACTOSE/PROTON.63. · reversible · 3 isoenzymes
2-nitrophenyl beta-D-galactoside
H2O
⇌
2-nitrophenol
alpha-D-galactopyranose
H+
RXN-24169[CCO-PERI-BAC]-CPD-9115/WATER//CPD-258/D-galactopyranose/PROTON.63.
EC - · RXN-24169[CCO-PERI-BAC]-CPD-9115/WATER//CPD-258/D-galactopyranose/PROTON.63. · reversible · 3 isoenzymes
2-nitrophenyl beta-D-galactoside
H2O
⇌
2-nitrophenol
D-galactopyranose
H+
RXN-24169[CCO-PERI-BAC]-CPD-9115/WATER//CPD-258/GALACTOSE/PROTON.55.
EC - · RXN-24169[CCO-PERI-BAC]-CPD-9115/WATER//CPD-258/GALACTOSE/PROTON.55. · reversible · 3 isoenzymes
2-nitrophenyl beta-D-galactoside
H2O
⇌
2-nitrophenol
beta-D-galactopyranose
H+
RXN-25312
EC - · RXN-25312 · reversible · 3 isoenzymes
phenyl-beta-galactoside
H2O
⇌
phenol
D-galactopyranose
RXN-25312-CPD-9117/WATER//PHENOL/ALPHA-D-GALACTOSE.41.
EC - · RXN-25312-CPD-9117/WATER//PHENOL/ALPHA-D-GALACTOSE.41. · reversible · 3 isoenzymes
phenyl-beta-galactoside
H2O
⇌
phenol
alpha-D-galactopyranose
RXN-25312-CPD-9117/WATER//PHENOL/GALACTOSE.33.
EC - · RXN-25312-CPD-9117/WATER//PHENOL/GALACTOSE.33. · reversible · 3 isoenzymes
phenyl-beta-galactoside
H2O
⇌
phenol
beta-D-galactopyranose
RXN0-5363
EC 5.4.1.- · RXN0-5363 · reversible · 3 isoenzymes
lactose
⇌
allolactose
3.2.1.23-RXN
EC 3.2.1.23 · 3.2.1.23-RXN · not reversible · 3 isoenzymes
a beta-D-galactoside
H2O
→
a non galactosylated galactose acceptor
D-galactopyranose
3.2.1.23-RXN-Beta-D-Galactosides/WATER//Non-Galactosylated-Galactose-Acceptors/ALPHA-D-GALACTOSE.84.
EC - · 3.2.1.23-RXN-Beta-D-Galactosides/WATER//Non-Galactosylated-Galactose-Acceptors/ALPHA-D-GALACTOSE.84. · not reversible · 3 isoenzymes
a beta-D-galactoside
H2O
→
a non galactosylated galactose acceptor
alpha-D-galactopyranose
3.2.1.23-RXN-Beta-D-Galactosides/WATER//Non-Galactosylated-Galactose-Acceptors/GALACTOSE.76.
EC - · 3.2.1.23-RXN-Beta-D-Galactosides/WATER//Non-Galactosylated-Galactose-Acceptors/GALACTOSE.76. · not reversible · 3 isoenzymes
a beta-D-galactoside
H2O
→
a non galactosylated galactose acceptor
beta-D-galactopyranose
BETAGALACTOSID-RXN[CCO-CYTOSOL]-CPD-15972/WATER//GALACTOSE/ALPHA-GLUCOSE.54.
EC - · BETAGALACTOSID-RXN[CCO-CYTOSOL]-CPD-15972/WATER//GALACTOSE/ALPHA-GLUCOSE.54. · not reversible · 3 isoenzymes
lactose
H2O
→
beta-D-galactopyranose
alpha-D-glucopyranose
BETAGALACTOSID-RXN[CCO-CYTOSOL]-CPD-15972/WATER//GALACTOSE/GLC.44.
EC - · BETAGALACTOSID-RXN[CCO-CYTOSOL]-CPD-15972/WATER//GALACTOSE/GLC.44. · not reversible · 3 isoenzymes
lactose
H2O
→
beta-D-galactopyranose
beta-D-glucopyranose
BETAGALACTOSID-RXN[CCO-CYTOSOL]-CPD-15972/WATER//GALACTOSE/Glucopyranose.54.
EC - · BETAGALACTOSID-RXN[CCO-CYTOSOL]-CPD-15972/WATER//GALACTOSE/Glucopyranose.54. · not reversible · 3 isoenzymes
lactose
H2O
→
beta-D-galactopyranose
D-glucopyranose
BETAGALACTOSID-RXN[CCO-PERI-BAC]-CPD-15972/WATER//GALACTOSE/ALPHA-GLUCOSE.55.
EC - · BETAGALACTOSID-RXN[CCO-PERI-BAC]-CPD-15972/WATER//GALACTOSE/ALPHA-GLUCOSE.55. · not reversible · 3 isoenzymes
lactose
H2O
→
beta-D-galactopyranose
alpha-D-glucopyranose
BETAGALACTOSID-RXN[CCO-PERI-BAC]-CPD-15972/WATER//GALACTOSE/GLC.45.
EC - · BETAGALACTOSID-RXN[CCO-PERI-BAC]-CPD-15972/WATER//GALACTOSE/GLC.45. · not reversible · 3 isoenzymes
lactose
H2O
→
beta-D-galactopyranose
beta-D-glucopyranose
BETAGALACTOSID-RXN[CCO-PERI-BAC]-CPD-15972/WATER//GALACTOSE/Glucopyranose.55.
EC - · BETAGALACTOSID-RXN[CCO-PERI-BAC]-CPD-15972/WATER//GALACTOSE/Glucopyranose.55. · not reversible · 3 isoenzymes
lactose
H2O
→
beta-D-galactopyranose
D-glucopyranose
RXN-12398
EC 3.2.1.23 · RXN-12398 · not reversible · 3 isoenzymes
XXLG xyloglucan oligosaccharide
H2O
→
XXXG xyloglucan oligosaccharide
D-galactopyranose
RXN-12398-CPD-13376/WATER//CPD-13375/ALPHA-D-GALACTOSE.45.
EC - · RXN-12398-CPD-13376/WATER//CPD-13375/ALPHA-D-GALACTOSE.45. · not reversible · 3 isoenzymes
XXLG xyloglucan oligosaccharide
H2O
→
XXXG xyloglucan oligosaccharide
alpha-D-galactopyranose
RXN-12398-CPD-13376/WATER//CPD-13375/GALACTOSE.37.
EC - · RXN-12398-CPD-13376/WATER//CPD-13375/GALACTOSE.37. · not reversible · 3 isoenzymes
XXLG xyloglucan oligosaccharide
H2O
→
XXXG xyloglucan oligosaccharide
beta-D-galactopyranose
RXN-12399
EC 3.2.1.23 · RXN-12399 · not reversible · 3 isoenzymes
XLXG xyloglucan oligosaccharide
H2O
→
XXXG xyloglucan oligosaccharide
D-galactopyranose
RXN-12399-CPD-13377/WATER//CPD-13375/ALPHA-D-GALACTOSE.45.
EC - · RXN-12399-CPD-13377/WATER//CPD-13375/ALPHA-D-GALACTOSE.45. · not reversible · 3 isoenzymes
XLXG xyloglucan oligosaccharide
H2O
→
XXXG xyloglucan oligosaccharide
alpha-D-galactopyranose
RXN-12399-CPD-13377/WATER//CPD-13375/GALACTOSE.37.
EC - · RXN-12399-CPD-13377/WATER//CPD-13375/GALACTOSE.37. · not reversible · 3 isoenzymes
XLXG xyloglucan oligosaccharide
H2O
→
XXXG xyloglucan oligosaccharide
beta-D-galactopyranose
RXN-12400
EC 3.2.1.23 · RXN-12400 · not reversible · 3 isoenzymes
XLLG xyloglucan oligosaccharide
2 H2O
→
XXXG xyloglucan oligosaccharide
2 D-galactopyranose
RXN-12400-CPD-13378/WATER//CPD-13375/ALPHA-D-GALACTOSE.45.
EC - · RXN-12400-CPD-13378/WATER//CPD-13375/ALPHA-D-GALACTOSE.45. · not reversible · 3 isoenzymes
XLLG xyloglucan oligosaccharide
2 H2O
→
XXXG xyloglucan oligosaccharide
2 alpha-D-galactopyranose
RXN-12400-CPD-13378/WATER//CPD-13375/GALACTOSE.37.
EC - · RXN-12400-CPD-13378/WATER//CPD-13375/GALACTOSE.37. · not reversible · 3 isoenzymes
XLLG xyloglucan oligosaccharide
2 H2O
→
XXXG xyloglucan oligosaccharide
2 beta-D-galactopyranose
RXN-17726
EC 3.2.1.23 · RXN-17726 · not reversible · 3 isoenzymes
lactulose
H2O
→
beta-D-galactopyranose
D-fructofuranose
RXN-17726-CPD-3561/WATER//GALACTOSE/BETA-D-FRUCTOSE.42.
EC - · RXN-17726-CPD-3561/WATER//GALACTOSE/BETA-D-FRUCTOSE.42. · not reversible · 3 isoenzymes
lactulose
H2O
→
beta-D-galactopyranose
beta-D-fructofuranose
RXN-17726-CPD-3561/WATER//GALACTOSE/CPD-10723.36.
EC - · RXN-17726-CPD-3561/WATER//GALACTOSE/CPD-10723.36. · not reversible · 3 isoenzymes
lactulose
H2O
→
beta-D-galactopyranose
alpha-D-fructofuranose
Imported from KpATCC43816.sbml · 2026-07-09