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4-Hydroxybutyrate dehydrogenase

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Class of enzymes
4-hydroxybutyrate dehydrogenase
Identifiers
EC no.1.1.1.61
Databases
IntEnzIntEnz view
BRENDABRENDA entry
ExPASyNiceZyme view
KEGGKEGG entry
MetaCycmetabolic pathway
PRIAMprofile
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Inenzymology, a4-hydroxybutyrate dehydrogenase (EC1.1.1.61) is anenzyme thatcatalyzes thechemical reaction

2D representation of the chemical structure of Q207920.
 
 
 
H+
Reversible left-right reaction arrow with minor forward product(s) to top right and minor reverse substrate(s) from bottom right
 
H+
 
2D representation of the chemical structure of Q4602542.
 

The twosubstrates of this enzyme are 4-hydroxybutanoic acid, and oxidisednicotinamide adenine dinucleotide (NAD+). Itsproducts are succinic semialdehyde, reduced NADH, and aproton.[1]

This enzyme belongs to the family ofoxidoreductases, specifically those acting on the CH-OH group of donor with NAD+ or NADP+ as acceptor.[2] Thesystematic name of this enzyme class is4-hydroxybutanoate:NAD+ oxidoreductase. This enzyme is also calledgamma-hydroxybutyrate dehydrogenase. This enzyme participates inbutanoate metabolism and the degradation of theneurotransmitter4-hydroxybutanoic acid.[3]

References

[edit]
  1. ^Enzyme1.1.1.61 atKEGG Pathway Database.
  2. ^Nirenberg MW, Jakoby WB (1960)."Enzymatic utilization of gamma-hydroxybutyric acid".J. Biol. Chem.235 (4):954–960.doi:10.1016/S0021-9258(18)69459-1.PMID 14427301.
  3. ^Kaufman EE, Nelson T (1991)."An overview of gamma-hydroxybutyrate catabolism: the role of the cytosolic NADP+-dependent oxidoreductase EC 1.1.1.19 and of a mitochondrial hydroxyacid-oxoacid transhydrogenase in the initial, rate-limiting step in this pathway".Neurochem. Res.16 (9):965–974.doi:10.1007/BF00965839.PMID 1784339.
1.1.1:NAD/NADP acceptor
1.1.2:cytochrome acceptor
1.1.3:oxygen acceptor
1.1.4:disulfide as acceptor
1.1.5:quinone/similar acceptor
1.1.99: other acceptors
Activity
Regulation
Classification
Kinetics
Types
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