Hydroxylamine oxidoreductase

Hydrazine oxidoreductase (EC 1.7.99.8, HAO (ambiguous)) is an enzyme with systematic name hydrazine:acceptor oxidoreductase.^[1]^[2] This enzyme catalyses the following chemical reaction

hydrazine + acceptor

\rightleftharpoons

N₂ + reduced acceptor

Hydroxylamine oxidoreductase is involved in the pathway of anaerobic ammonium oxidation in anammox bacteria.

References

↑ Schalk, J., de Vries, S., Kuenen, J.G. and Jetten, M.S. (2000). "Involvement of a novel hydroxylamine oxidoreductase in anaerobic ammonium oxidation". Biochemistry 39: 5405–5412. doi:10.1021/bi992721k. PMID 10820012.
↑ Jetten, M.S., Wagner, M., Fuerst, J., van Loosdrecht, M., Kuenen, G. and Strous, M. (2001). "Microbiology and application of the anaerobic ammonium oxidation ('anammox') process". Curr. Opin. Biotechnol. 12: 283–288. doi:10.1016/s0958-1669(00)00211-1. PMID 11404106.

External links

Hydrazine oxidoreductase at the US National Library of Medicine Medical Subject Headings (MeSH)

Oxidoreductases: nitrogenous donor (EC 1.7)

1.7.1	GMP reductase

1.7.2	Nitrite reductase (NO-forming)

1.7.3	Urate oxidase

1.7.7	Ferredoxin—nitrite reductase

1.7.99	Hydroxylamine reductase

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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