L-erythro-3,5-diaminohexanoate dehydrogenase

The 3 substrates of this enzyme are L-erythro-3,5-diaminohexanoate, H₂O, and NAD⁺, whereas its 4 products are (S)-5-amino-3-oxohexanoate, NH₃, NADH, and H⁺.

This enzyme belongs to the family of oxidoreductases, specifically those acting on the CH-NH2 group of donors with NAD+ or NADP+ as acceptor. The systematic name of this enzyme class is L-erythro-3,5-diaminohexanoate:NAD+ oxidoreductase (deaminating). This enzyme is also called L-3,5-diaminohexanoate dehydrogenase. This enzyme participates in lysine degradation.

References

Baker JJ, Jeng I, Barker HA (1972). "Purification and properties of L-erythro-3,5-diaminohexanoate dehydrogenase from a lysine-fermenting Clostridium". J. Biol. Chem. 247 (23): 7724–34. PMID 4344229.

CH-NH₂ oxidoreductases (EC 1.4) - primarily amino acid oxidoreductases

1.4.1: NAD/NADP acceptor	Glutamate dehydrogenase GLUD1 GLUD2 Glutamate synthase (NADPH)

1.4.3: oxygen acceptor	D-amino acid oxidase Amine oxidase (Copper-containing (Lysyl Diamine Primary-amine)) (Flavin-containing (Monoamine)))

1.4.4: disulfide acceptor	Glycine cleavage system

1.4.99: other acceptors	D-amino acid dehydrogenase Amine dehydrogenase

Enzymes

Activity	Active site Binding site Catalytic triad Oxyanion hole Enzyme promiscuity Catalytically perfect enzyme Coenzyme Cofactor Enzyme catalysis Enzyme kinetics Lineweaver–Burk plot Michaelis–Menten kinetics

Regulation	Allosteric regulation Cooperativity Enzyme inhibitor

Classification	EC number Enzyme superfamily Enzyme family List of enzymes

Types	EC1 Oxidoreductases (list) EC2 Transferases (list) EC3 Hydrolases (list) EC4 Lyases (list) EC5 Isomerases (list) EC6 Ligases (list)

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