1.7.7.1	hydroxylamine + reduced ferredoxin	-	Spinacia oleracea	NH3 + H2O + oxidized ferredoxin	-	?	376975	
1.7.7.1	hydroxylamine + reduced ferredoxin	hydroxylamine can serve as an electron-accepting substrate for the enzyme and the product of hydroxylamine reduction is ammonia. Hydroxylamine, bound to the enzyme, can serve as a late intermediate during the reduction of nitrite to ammonia catalyzed by the enzyme	Chlamydomonas reinhardtii	ammonia + H2O + oxidized ferredoxin	-	?	426493	
1.7.7.1	additional information	no activity with NADH as electron donor	Haloferax mediterranei	?	-	?	89	
1.7.7.1	additional information	presence of two separate one-electron redox couples with Em values of -255 mV and -390 mV, respcetively	Chlamydomonas reinhardtii	?	-	?	89	
1.7.7.1	additional information	enzyme additionally shows activity of sulfite reductase, EC 1.8.7.1	Cyanidioschyzon merolae	?	-	?	89	
1.7.7.1	additional information	enzyme additionally shows activity of sulfite reductase, EC 1.8.7.1	Cyanidioschyzon merolae 10D	?	-	?	89	
1.7.7.1	additional information	no activity with NADH as electron donor	Haloferax mediterranei DSM 1411	?	-	?	89	
1.7.7.1	NH3 + H2O + oxidized ferredoxin	-	Chlamydomonas reinhardtii	nitrite + reduced ferredoxin + H+	-	r	451740	
1.7.7.1	NH3 + H2O + oxidized ferredoxin	-	Spinacia oleracea	nitrite + reduced ferredoxin + H+	-	r	451740	
1.7.7.1	NH3 + H2O + oxidized ferredoxin	-	Arthrospira platensis	nitrite + reduced ferredoxin + H+	-	r	451740