Nitrite reductase: Difference between revisions

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Michal Harel, Alexander Berchansky, Jaime Prilusky

Revision as of 12:46, 15 May 2016 view source Michal Harel (talk \| contribs) 31,761 edits No edit summary ← Older edit		Revision as of 12:03, 5 January 2017 view source Michal Harel (talk \| contribs) 31,761 edits No edit summary Newer edit →
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	<StructureSection load='Cca.pdb' size='~~450~~' side='right' scene='Journal:JBIC:16/Cv/2' caption='Heme-containing nitrite reductase with heme and Ca+2 ions (PDB code [[3ubr]])'>		<StructureSection load='Cca.pdb' size='350' side='right' scene='Journal:JBIC:16/Cv/2' caption='Heme-containing nitrite reductase with heme and Ca+2 ions (PDB code [[3ubr]])'>
	'''Nitrite reductase''' (NIR) catalyzes the reduction of NO<sub>2</sub> to NO. There are 2 classes of NIR: (1) A '''heme-containing cytochrome Cd type NIR'''. This enzyme contains 4 heme groups. Its d-type heme group binds NO<sub>2</sub>. (2) A '''copper-containing NIR''' which produces NO<sub>2</sub>. Under anaerobic conditions bacteria rely on the reduction of nitrogen oxide species to obtain energy. NIR is part of the nitrogen cycle used for this purpose.		'''Nitrite reductase''' (NIR) catalyzes the reduction of NO<sub>2</sub> to NO. There are 2 classes of NIR: (1) A '''heme-containing cytochrome Cd type NIR'''. This enzyme contains 4 heme groups. Its d-type heme group binds NO<sub>2</sub>. (2) A '''copper-containing NIR''' which produces NO<sub>2</sub>. Under anaerobic conditions bacteria rely on the reduction of nitrogen oxide species to obtain energy. NIR is part of the nitrogen cycle used for this purpose.