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MetaCyc Compound Class: D-galactose

Superclasses: all carbohydrates a carbohydrate a glycan a sugar a monosaccharide a hexose a D-hexose
all carbohydrates a carbohydrate a glycan a sugar a monosaccharide a hexose a D-hexose a D-aldohexose
all carbohydrates a carbohydrate a glycan a sugar a monosaccharide a hexose an aldohexose a D-aldohexose
all carbohydrates a carbohydrate a glycan a sugar a monosaccharide a hexose galactose
all carbohydrates a carbohydrate a glycan a sugar a monosaccharide an aldose a D-aldose a D-aldohexose
all carbohydrates a carbohydrate a glycan a sugar a monosaccharide an aldose an aldohexose a D-aldohexose
an aldehyde or ketone an aldehyde an aldose a D-aldose a D-aldohexose
an aldehyde or ketone an aldehyde an aldose an aldohexose a D-aldohexose

Child Classes: D-galactofuranose (2) , D-galactopyranose (2)

Instances:
aldehydo-D-galactose

Unification Links: ChEBI:12936 , ChemSpider:2301265

Reactions known to consume the compound:

NAD/NADP-NADH/NADPH mitochondrial interconversion (yeast) :
an aldehyde + NAD+ + H2O → a carboxylate + NADH + 2 H+
an aldehyde + NADP+ + H2O → a carboxylate + NADPH + 2 H+

Not in pathways:
an aldehyde + FMNH2 + oxygen → hν + a carboxylate + FMN + H2O + 2 H+
an aldehyde + oxygen + H2O → a carboxylate + hydrogen peroxide + H+

Reactions known to produce the compound:

Not in pathways:
a sugar alcohol + oxygen → an aldose + hydrogen peroxide

Not in pathways:
a protopanaxatriol-type ginsenoside with two glycosyl residues at position 6 + 2 H2O → a protopanaxatriol-type ginsenoside with no glycosidic modification at position 6 + a monosaccharide + D-glucopyranose
a protopanaxadiol-type ginsenoside with two glycosyl residues at position 20 + H2O → a protopanaxadiol-type ginsenoside with a single glucosyl residue at position 20 + a monosaccharide

Not in pathways:
a thioglucoside + H2O → a sugar + a thiol
a sugar phosphate + H2O → a sugar + phosphate
glycosyl-N-acylsphingosine + H2O → a ceramide + a sugar

Not in pathways:
an N-acetyl-β-D-galactosalaminyl-[glycan] + H2O → a glycan + N-acetyl-β-D-galactosamine

ceramide degradation :
a sphingoid 1-phosphate → phosphoryl-ethanolamine + an aldehyde

two-component alkanesulfonate monooxygenase :
an alkylsulfonate + FMNH2 + oxygen → an aldehyde + sulfite + FMN + H2O + 2 H+

Not in pathways:
a primary amine[periplasmic space] + H2O[periplasmic space] + oxygen[periplasmic space]an aldehyde[periplasmic space] + ammonium[periplasmic space] + hydrogen peroxide[periplasmic space]
an aliphatic amine + H2O + oxygen → an aldehyde + ammonium + hydrogen peroxide
a monoamine + H2O + oxygen → an aldehyde + a primary amine + hydrogen peroxide
a primary alcohol + oxygen → hydrogen peroxide + an aldehyde

Not in pathways:
a nitroalkane + oxygen + H2O → an aldehyde or ketone + nitrite + hydrogen peroxide + H+

Reactions known to both consume and produce the compound:

Not in pathways:
a primary alcohol + NAD+an aldehyde + NADH + H+

In Reactions of unknown directionality:

Not in pathways:
a D-hexose + an acyl phosphate = a D-hexose-phosphate + a carboxylate
a D-hexose + ATP = D-hexose 6-phosphate + ADP + H+
phosphoramidate + a D-hexose = an α-hexose 1-phosphate + ammonium

Not in pathways:
an α-D-aldosyl-β-D-fructoside + a D-aldose = an α-D-aldosyl-β-D-fructoside + a D-aldose

Not in pathways:
an aldose[periplasmic space] + an unknown oxidized electron acceptor[periplasmic space] + H2O[periplasmic space] = an aldonate[periplasmic space] + an unknown reduced electron acceptor[periplasmic space] + H+[periplasmic space]
a sugar alcohol + NAD(P)+ = an aldose + NAD(P)H + H+

Not in pathways:
a protopanaxatriol-type ginsenoside with two glycosyl residues at position 6 + H2O = a protopanaxatriol-type ginsenoside with a single glucosyl at position 6 + a monosaccharide

Not in pathways:
an aldehyde + NAD(P)+ + H2O = a carboxylate + NAD(P)H + 2 H+
an aldehyde + 2 an oxidized ferredoxin + H2O = a carboxylate + 2 a reduced ferredoxin + 3 H+
an aldehyde + an unknown oxidized electron acceptor + H2O = a carboxylate + an unknown reduced electron acceptor + H+
an aldehyde[periplasmic space] + FAD[periplasmic space] + H2O[periplasmic space] = a carboxylate[periplasmic space] + FADH2[periplasmic space]
an aldehyde + an electron-transfer quinone + H2O = a carboxylate + an electron-transfer quinol + H+
a primary alcohol + 2 an oxidized cytochrome cL = an aldehyde + 2 a reduced cytochrome cL + 2 H+
an aliphatic amine + an oxidized cytochrome c550 + H2O = an aldehyde + ammonium + a reduced cytochrome c550
an alkylamine + 2 an oxidized cytochrome c550 + H2O = an aldehyde + ammonium + 2 a reduced cytochrome c550
a 2-oxo carboxylate + H+ = an aldehyde + CO2
an alcohol + NADP+ = an aldehyde + NADPH + H+
a primary alcohol + an unknown oxidized electron acceptor = an aldehyde + an unknown reduced electron acceptor
an alcohol + NAD(P)+ = an aldehyde + NAD(P)H + H+
a primary alcohol + an oxidized azurin = an aldehyde + a reduced azurin
a 1-O-(alk-1-enyl)glycero-3-phosphocholine + H2O = sn-glycero-3-phosphocholine + an aldehyde
a 1-alkenylglycerophosphoethanolamine + H2O = sn-glycero-3-phosphoethanolamine + an aldehyde
a primary alcohol + 2 an oxidized cytochrome c550 = an aldehyde + 2 a reduced cytochrome c550

In Transport reactions:
a [PTS enzyme I]-Nπ-phospho-L-histidine + D-galactose[out] → a D-galactose 6-phosphate[in] + a [PTS enzyme I]-L-histidine ,
a monosaccharide[extracellular space] + ATP + H2O ↔ a monosaccharide[cytosol] + ADP + phosphate ,
a [PTS enzyme I]-Nπ-phospho-L-histidine + a sugar[out] → a [PTS enzyme I]-L-histidine + a sugar phosphate[in]

This compound has been characterized as an alternative substrate of the following enzymes: D-glucuronate reductase , melibiose:H+/Na+/Li+ symporter , β-D-galactosyl-(1->4)-L-rhamnose phosphorylase , glucose dehydrogenase , D-glucose dehydrogenase , D-galacturonate reductase , D-xylose reductase , melibiose:H+/Na+/Li+ symporter , D-xylose dehydrogenase , L-arabinose 1-dehydrogenase

Credits:
Revised 27-Mar-2013 by Caspi R , SRI International


Report Errors or Provide Feedback
Please cite the following article in publications resulting from the use of MetaCyc: Caspi et al, Nucleic Acids Research 42:D459-D471 2014
Page generated by SRI International Pathway Tools version 19.0 on Tue Apr 28, 2015, biocyc11.