Hydroxylamine reductase (NADH)

In enzymology, a hydroxylamine reductase (NADH) (EC 1.7.1.10) is an enzyme that catalyzes the chemical reaction

The 3 substrates of this enzyme are NH₃, NAD⁺, and H₂O, whereas its 3 products are hydroxylamine, NADH, and H⁺.

This enzyme belongs to the family of oxidoreductases, specifically those acting on other nitrogenous compounds as donors with NAD+ or NADP+ as acceptor. The systematic name of this enzyme class is ammonium:NAD+ oxidoreductase. Other names in common use include hydroxylamine reductase, ammonium dehydrogenase, NADH-hydroxylamine reductase, N-hydroxy amine reductase, hydroxylamine reductase (NADH2), and NADH2:hydroxylamine oxidoreductase. This enzyme participates in nitrogen metabolism.