L-aminoadipate-semialdehyde dehydrogenase

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In enzymology, a L-aminoadipate-semialdehyde dehydrogenase (EC 1.2.1.31) is an enzyme that catalyzes the chemical reaction

+ NAD+
 
 
H2O
H+
Reversible left-right reaction arrow with minor forward substrate(s) from top left, minor forward product(s) to top right, minor reverse substrate(s) from bottom right and minor reverse product(s) to bottom left
H2O
H+
 
 

The three substrates of this enzyme are L-2-aminoadipate 6-semialdehyde (L-allysine), oxidised nicotinamide adenine dinucleotide (NAD+), and water. Its products are (S)-α-aminoadipic acid, reduced NADH, and a proton. This enzyme can also use nicotinamide adenine dinucleotide phosphate as its cofactor.[1][2]

The enzyme participates in lysine biosynthesis and biodegradation.[3]

Nomenclature

This enzyme belongs to the family of oxidoreductases, specifically those acting on the aldehyde or oxo group of donor with NAD+ or NADP+ as acceptor. The systematic name of this enzyme class is L-2-aminoadipate-6-semialdehyde:NAD(P)+ 6-oxidoreductase. Other names in common use include:

  • aminoadipate semialdehyde dehydrogenase,
  • 2-aminoadipate semialdehyde dehydrogenase,
  • alpha-aminoadipate-semialdehyde dehydrogenase,
  • alpha-aminoadipate reductase,
  • 2-aminoadipic semialdehyde dehydrogenase,
  • L-alpha-aminoadipate delta-semialdehyde oxidoreductase,
  • L-alpha-aminoadipate delta-semialdehyde:NAD+ oxidoreductase,
  • L-alpha-aminoadipate delta-semialdehyde:nicotinamide adenine,
  • and dinucleotide oxidoreductase.

References

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