ExplorEnz: EC 1.2.1.31

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1.2.1.31

Accepted name:

L-aminoadipate-semialdehyde dehydrogenase

Reaction:

(S)-2-amino-6-oxohexanoate + NAD(P)⁺ + H₂O = L-2-aminoadipate + NAD(P)H + H⁺ (overall reaction)
(1a) (S)-2-amino-6-oxohexanoate = (S)-2,3,4,5-tetrahydropyridine-2-carboxylate + H₂O (spontaneous)
(1b) (S)-2,3,4,5-tetrahydropyridine-2-carboxylate + NAD(P)⁺ + 2 H₂O = L-2-aminoadipate + NAD(P)H + H⁺

For diagram of lysine catabolism, click here and for diagram of L-Lysine synthesis, click here

Glossary:

(S)-2-amino-6-oxohexanoate = L-2-aminoadipate 6-semialdehyde = L-allysine
L-1-piperideine 6-carboxylate = (S)-2,3,4,5-tetrahydropyridine-2-carboxylate = (S)-1,6-didehydropiperidine-2-carboxylate

Other name(s):

aminoadipate semialdehyde dehydrogenase; 2-aminoadipate semialdehyde dehydrogenase; α-aminoadipate-semialdehyde dehydrogenase; α-aminoadipate reductase; 2-aminoadipic semialdehyde dehydrogenase; L-α-aminoadipate δ-semialdehyde oxidoreductase; L-α-aminoadipate δ-semialdehyde:NAD⁺ oxidoreductase; L-α-aminoadipate δ-semialdehyde:nicotinamide adenine dinucleotide oxidoreductase; L-2-aminoadipate 6-semialdehyde:NAD(P)⁺ 6-oxidoreductase

Systematic name:

(S)-2-amino-6-oxohexanoate:NAD(P)⁺ 6-oxidoreductase

Comments:

(S)-2-amino-6-oxohexanoate undergoes a spontaneous dehydration forming the cyclic (S)-2,3,4,5-tetrahydropyridine-2-carboxylate, which serves as a substrate for the hydrogenation reaction.

Links to other databases:

BRENDA, EXPASY, Gene, KEGG, MetaCyc, PDB, CAS registry number: 9067-87-2

References:

1.	Calvert, A.F. and Rodwell, V.W. Metabolism of pipecolic acid in a Pseudomonas species. 3. L-α-Aminoadipate δ-semialdehyde:nicotinamide adenine dinucleotide oxidoreductase. J. Biol. Chem. 241 (1966) 409–414. [PMID: 4285660]
2.	Rodwell, V.W. Δ¹-piperideine-6-carboxylic acid and α-aminoadipic acid δ-semialdehyde. Method Enzymol 17B (1971) 188–199.
3.	de La Fuente, J.L., Rumbero, A., Martin, J.F. and Liras, P. Δ-1-piperideine-6-carboxylate dehydrogenase, a new enzyme that forms α-aminoadipate in Streptomyces clavuligerus and other cephamycin C-producing actinomycetes. Biochem. J. 327 (1997) 59–64. [PMID: 9355735]
4.	Fujii, T., Narita, T., Agematu, H., Agata, N. and Isshiki, K. Cloning and characterization of pcd encoding Δ’-piperideine-6-carboxylate dehydrogenase from Flavobacterium lutescens IFO3084. J. Biochem. 128 (2000) 975–982. [PMID: 11098140]

[EC 1.2.1.31 created 1972, modified 2011]