1.1.99.1: choline dehydrogenase
This is an abbreviated version!
For detailed information about choline dehydrogenase, go to the full flat file.
Reaction
Synonyms
Cdh, CHD, CHDH, ChoDH, choline dehydrogenase, choline oxidase, choline-cytochrome c reductase, choline:(acceptor) oxidoreductase, dehydrogenase, choline, oxidase, choline
ECTree
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Substrates Products
Substrates Products on EC 1.1.99.1 - choline dehydrogenase
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REACTION DIAGRAM
choline + 2,6-dichlorophenolindophenol
betaine aldehyde + reduced 2,6-dichlorophenolindophenol
-
-
-
-
r
choline + acceptor + phenazine methosulfate
betaine aldehyde + ?
-
-
-
-
?
choline + coenzyme Q1
betaine aldehyde + reduced coenzyme Q1
-
mitochondrial oxidation of choline
-
?
choline + p-benzoquinone
betaine aldehyde + reduced p-benzoquinone
-
-
-
-
r
glycine-betaine + 2 reduced acceptor + H+
-
four electron oxidation with betaine aldehyde as intermediate, provides glycine-betaine as compatible solute
-
-
?
choline + 2 acceptor + H2O
glycine-betaine + 2 reduced acceptor + H+
-
four electron oxidation with betaine aldehyde as intermediate
-
-
?
betaine aldehyde + reduced acceptor
-
electron acceptor: 2,6-dichlorophenolindophenol
-
?
choline + acceptor
betaine aldehyde + reduced acceptor
-
electron acceptor: phenazine methosulfate
-
?
choline + acceptor
betaine aldehyde + reduced acceptor
-
choline is the sole substrate
-
?
choline + acceptor
betaine aldehyde + reduced acceptor
relation of plasma choline and betaine to cardiovascular risk factors, mitochondrial choline dehydrogenase pathway
-
-
?
choline + acceptor
betaine aldehyde + reduced acceptor
-
effects of food-deprivation on betaine accumulation and the levels of betaine synthesizing enzymes
-
-
?
choline + acceptor
betaine aldehyde + reduced acceptor
-
acceptor 3-(4,5-dimethylthiazolyl-2-)-2,5-diphenyltetrazolium bromide, particulate enzyme: 12.4% relative activity to phenazine methosulfate
-
?
choline + acceptor
betaine aldehyde + reduced acceptor
-
cytochrome c, particulate enzyme: 3.1% relative activity to phenazine methosulfate
-
?
choline + acceptor
betaine aldehyde + reduced acceptor
-
electron acceptor: 2,6-dichlorophenolindophenol
-
?
choline + acceptor
betaine aldehyde + reduced acceptor
-
acceptor ferricyanide, particulate enzyme: 112% relative activity to phenazine methosulfate
-
?
choline + acceptor
betaine aldehyde + reduced acceptor
-
acceptor 2,6-dichlorophenolindophenol, particulate enzyme: 3.2% relative activity to phenazine methosulfate
-
?
choline + acceptor
betaine aldehyde + reduced acceptor
-
acceptor: phenazine methosulfate, 100% relative activity
-
?
choline + acceptor
betaine aldehyde + reduced acceptor
-
electron acceptor: phenazine methosulfate
-
?
choline + acceptor
betaine aldehyde + reduced acceptor
-
electron acceptor: phenazine methosulfate
-
?
choline + acceptor
betaine aldehyde + reduced acceptor
-
electron acceptor: phenazine methosulfate
-
?
choline + acceptor
betaine aldehyde + reduced acceptor
-
acceptor 3-(4,5-dimethylthiazolyl-2-)-2,5-diphenyltetrazolium bromide, particulate enzyme: 12.4% relative activity to phenazine methosulfate
-
?
choline + acceptor
betaine aldehyde + reduced acceptor
-
cytochrome c, particulate enzyme: 3.1% relative activity to phenazine methosulfate
-
?
choline + acceptor
betaine aldehyde + reduced acceptor
-
acceptor ferricyanide, particulate enzyme: 112% relative activity to phenazine methosulfate
-
?
choline + acceptor
betaine aldehyde + reduced acceptor
-
acceptor 2,6-dichlorophenolindophenol, particulate enzyme: 3.2% relative activity to phenazine methosulfate
-
?
choline + acceptor
betaine aldehyde + reduced acceptor
-
acceptor: phenazine methosulfate, 100% relative activity
-
?
choline + acceptor
betaine aldehyde + reduced acceptor
-
-
-
?
choline + acceptor
betaine aldehyde + reduced acceptor
-
electron acceptor: phenazine methosulfate
-
?
choline + acceptor
betaine aldehyde + reduced acceptor
-
acceptor: ubiquinone-2
-
?
choline + acceptor
betaine aldehyde + reduced acceptor
-
the enzyme can use only choline and betaine aldehyde
-
r
choline + acceptor
betaine aldehyde + reduced acceptor
-
acceptor O2: 73% relative activity to phenazine methosulfate
-
?
choline + acceptor
betaine aldehyde + reduced acceptor
-
electron acceptor: 2,6-dichlorophenolindophenol
-
?
choline + acceptor
betaine aldehyde + reduced acceptor
-
acceptor 2,6-dichlorophenolindophenol: 27% relative activity to phenazine methosulfate
-
?
choline + acceptor
betaine aldehyde + reduced acceptor
-
absolute requirement for an electron acceptor other than O2
-
r
choline + acceptor
betaine aldehyde + reduced acceptor
-
reverse reaction at 5.2% of forward reaction
-
r
choline + acceptor
betaine aldehyde + reduced acceptor
-
cytochrome c, ferricyanide, methylene blue and 2,6-dichlorophenolindophenol show no direct reaction with the enzyme
-
?
choline + acceptor
betaine aldehyde + reduced acceptor
-
acceptor methylene blue: 4% relative activity to phenazine methosulfate
-
?
choline + acceptor
betaine aldehyde + reduced acceptor
-
coenzyme Q, primary electron acceptor in vivo
-
r
choline + acceptor
betaine aldehyde + reduced acceptor
-
acceptor cytochrome c: 63% relative activity to phenazine methosulfate
-
?
choline + acceptor
betaine aldehyde + reduced acceptor
-
acceptor: phenazine methosulfate, 100% relative activity
-
?
choline + acceptor
betaine aldehyde + reduced acceptor
-
electron acceptor: phenazine methosulfate
-
?
choline + acceptor
betaine aldehyde + reduced acceptor
-
electron acceptor: phenazine methosulfate
-
?
choline + acceptor
betaine aldehyde + reduced acceptor
-
electron acceptor: phenazine methosulfate
-
r
choline + acceptor
betaine aldehyde + reduced acceptor
-
not: 2-dimethylaminoethanol, monoethanolamine
-
r
choline + acceptor
betaine aldehyde + reduced acceptor
-
electron acceptor: p-benzoquinone
-
?
choline + acceptor
betaine aldehyde + reduced acceptor
-
acceptor ferricyanide: 42% relative activity to phenazine methosulfate
-
?
choline + acceptor
betaine aldehyde + reduced acceptor
connects choline to the respiratory chain
-
-
?
betaine aldehyde + reduced phenazine methosulfate
-
-
-
?
choline + phenazine methosulfate
betaine aldehyde + reduced phenazine methosulfate
-
-
-
?
choline + phenazine methosulfate
betaine aldehyde + reduced phenazine methosulfate
-
-
-
?
choline + phenazine methosulfate
betaine aldehyde + reduced phenazine methosulfate
-
-
-
-
r
choline + phenazine methosulfate
betaine aldehyde + reduced phenazine methosulfate
-
-
-
-
r
?
-
-
the enzyme is responsible for the two-step choline oxidation to betaine together with the betaine-homocysteine methyltransferase
-
-
?
additional information
?
-
the enzyme is specific for choline or betaine aldehyde as substrate, substrate specificity, overview
-
-
?