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Literature summary extracted from

  • Anderson, L.J.; Richardson, D.J.; Butt, J.N.
    Catalytic protein film voltammetry from a respiratory nitrate reductase provides evidence for complex electrochemical modulation of enzyme activity (2001), Biochemistry, 40, 11294-11307.
    View publication on PubMed

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
1.7.5.1 membrane the membrane-anchored protein directs electrons from quinol oxidation at the membrane anchor, NarI, to the site of nitrate reduction in the membrane extrinsic [Fe-S] cluster and Mo-bis-MGD containing dimer, NarGH Paracoccus pantotrophus 16020
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Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
1.7.5.1 nitrate + quinol Paracoccus pantotrophus the membrane-anchored protein directs electrons from quinol oxidation at the membrane anchor, NarI, to the site of nitrate reduction in the membrane extrinsic [Fe-S] cluster and Mo-bis-MGD containing dimer, NarGH nitrite + quinone + H2O
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Organism

EC Number Organism UniProt Comment Textmining
1.7.5.1 Paracoccus pantotrophus
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Purification (Commentary)

EC Number Purification (Comment) Organism
1.7.5.1 of NarGH Paracoccus pantotrophus

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1.7.5.1 nitrate + quinol the membrane-anchored protein directs electrons from quinol oxidation at the membrane anchor, NarI, to the site of nitrate reduction in the membrane extrinsic [Fe-S] cluster and Mo-bis-MGD containing dimer, NarGH Paracoccus pantotrophus nitrite + quinone + H2O
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 ?
1.7.5.1 nitrate + reduced methyl viologen catalysis under substrate-limiting conditions clearly occurs via two pathways with distinct kinetic properties reversibly linked by a redox event. This redox event may be integral to the catalytic cycle of the active site or occur at a center, remote from the description of active-site chemistry, which serves to switch NarGH between two catalytically competent forms Paracoccus pantotrophus nitrite + oxidized methyl viologen + H2O
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 ?

Synonyms

EC Number Synonyms Comment Organism
1.7.5.1 NarGHI
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 Paracoccus pantotrophus
1.7.5.1 quinol-nitrate oxidoreductase
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 Paracoccus pantotrophus