1.2.1.77: 3,4-dehydroadipyl-CoA semialdehyde dehydrogenase (NADP+)
This is an abbreviated version!
For detailed information about 3,4-dehydroadipyl-CoA semialdehyde dehydrogenase (NADP+), go to the full flat file.
Reaction
Synonyms
3,4-dehydroadipyl-CoA semialdehyde dehydrogenase, ALDH, ALDHC, BoxD, NADP+-dependent aldehyde dehydrogenase
ECTree
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Substrates Products
Substrates Products on EC 1.2.1.77 - 3,4-dehydroadipyl-CoA semialdehyde dehydrogenase (NADP+)
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REACTION DIAGRAM
3,4-didehydroadipyl-CoA semialdehyde + NAD+ + H2O
3,4-didehydroadipyl-CoA + NADH + H+
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r
cis-3,4-dehydroadipyl-CoA semialdehyde + NADP+ + H2O
cis-3,4-dehydroadipyl-CoA + NADPH + H+
catalytic mechanism proposed in detail
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heptaldehyde + NADP+ + H2O
heptanoate + NADPH + H+
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isovaleraldehyde + NADP+ + H2O
isovalerate + NADPH + H+
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additional information
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the native substrate (3,4-dehydroadipyl-CoA semialdehyde) is not tested as it is commercially unavailable. The enzyme is preferentially active towards linear medium-chain to long-chain aldehydes as compared to branched-chain, short-chain or aromatic aldehydes
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3,4-dehydroadipyl-CoA + NADPH + H+
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3,4-dehydroadipyl-CoA semialdehyde + NADP+ + H2O
3,4-dehydroadipyl-CoA + NADPH + H+
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enzyme of the aerobic benzoyl-coenzyme A catabolic pathway
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3,4-dehydroadipyl-CoA semialdehyde + NADP+ + H2O
3,4-dehydroadipyl-CoA + NADPH + H+
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the molar ratio of mol of converted substrate per mol of NADPH formed is estimated to be 1
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3,4-dehydroadipyl-CoA semialdehyde + NADP+ + H2O
3,4-dehydroadipyl-CoA + NADPH + H+
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3,4-dehydroadipyl-CoA semialdehyde + NADP+ + H2O
3,4-dehydroadipyl-CoA + NADPH + H+
the enzyme is involved in the benzoate oxidation (box) pathway
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propionate + NADPH + H+
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propionaldehyde + NADP+ + H2O
propionate + NADPH + H+
propionaldehyde is used as the aldehydic substrate in enzyme assay because of commercial unavailability of the native substrate
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