羥胺還原酶[1](英語:Hydroxylamine reductase,EC 1.7.1.10)催化下列反應:
- NH3 + H2O + 受體 羥胺 + 被還原的受體
此酶的三個底物是氨、水以及電子受體,而它的兩個產物則是羥胺以及還原型受體。
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