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Hydroxyacid-oxoacid transhydrogenase

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hydroxyacid-oxoacid transhydrogenase
Identifiers
EC no.1.1.99.24
CAS no.117698-31-4
Databases
IntEnzIntEnz view
BRENDABRENDA entry
ExPASyNiceZyme view
KEGGKEGG entry
MetaCycmetabolic pathway
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Inenzymology,hydroxyacid-oxoacid transhydrogenase (EC1.1.99.24) is anenzyme thatcatalyzes thechemical reaction

2D representation of the chemical structure of Q27075158.
+
 
2D representation of the chemical structure of α-Ketoglutaric acid.
 
 
 
Reversible left-right reaction arrow
 
 
 
2D representation of the chemical structure of acetoacetic acid .
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2D representation of the chemical structure of Q27104222.

The twosubstrates of this enzyme are (S)-3-hydroxybutyric acid and α-ketoglutaric acid. Itsproducts are acetoacetic acid and (R)-2-hydroxyglutaric acid.[1]

This enzyme belongs to the family ofoxidoreductases, specifically those acting on the CH-OH group of donor with other acceptors. Thesystematic name of this enzyme class is(S)-3-hydroxybutanoate:2-oxoglutarate oxidoreductase. This enzyme is also calledtranshydrogenase, hydroxy acid-oxo acid.[2]

See also

[edit]

References

[edit]
  1. ^Enzyme1.1.99.24 atKEGG Pathway Database.
  2. ^Kaufman EE, Nelson T, Fales HM, Levin DM (1988)."Isolation and characterization of a hydroxyacid-oxoacid transhydrogenase from rat kidney mitochondria".J. Biol. Chem.263 (32):16872–9.doi:10.1016/S0021-9258(18)37472-6.PMID 3182820.
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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