Nitrate reductase

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<StructureSection load='' size='450' side='right' caption='Bacterial periplasmic dissimilatory nitrate reductase containing Fe4S4 cluster with Mo, NO3- and molybdepterin guanine nucleotide (PDB entry [[2jiq]])' scene='49/490062/Cv/3'>
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<StructureSection load='' size='350' side='right' caption='Bacterial periplasmic dissimilatory nitrate reductase containing Fe4S4 cluster with Mo, NO3- and molybdepterin guanine nucleotide (PDB entry [[2jiq]])' scene='49/490062/Cv/3'>
== Function ==
== Function ==
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== Structural highlights ==
== Structural highlights ==
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<scene name='49/490062/Cv/2'>Bacterial periplasmic dissimilatory nitrate reductase containing Fe4S4 cluster with Mo, NO3 and 2 molybdepterin guanine nucleotides</scene>. NAP active site includes a <scene name='49/490062/Cv/4'>six-coordinated Mo atom which coordinates to 2 MGD molecules and Cys140</scene>. The <scene name='49/490062/Cv/6'>NO3 molecule is guided to the active site by a funnel leading to the Mo atom</scene><ref>PMID:18327621</ref>.
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<scene name='49/490062/Cv/7'>Bacterial periplasmic dissimilatory nitrate reductase containing Fe4S4 cluster with Mo, NO3 and 2 molybdepterin guanine nucleotides</scene>. NAP active site includes a <scene name='49/490062/Cv/8'>six-coordinated Mo atom which coordinates to 2 MGD molecules and Cys140</scene>. The <scene name='49/490062/Cv/9'>NO3 molecule is guided to the active site by a funnel leading to the Mo atom</scene><ref>PMID:18327621</ref>.
</StructureSection>
</StructureSection>
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**[[1ogy]] - NAP + heme + MGD + Mo– ''Rhodobacter sphaeroides''<br />
**[[1ogy]] - NAP + heme + MGD + Mo– ''Rhodobacter sphaeroides''<br />
**[[2nya]] - EcNAP + MGD + Mo – ''Escherichia coli''<br />
**[[2nya]] - EcNAP + MGD + Mo – ''Escherichia coli''<br />
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**[[3ml1]], [[3o5a]] - NAP catalytic subunit + NAPB + heme + MGD + Mo – ''Ralstonia eutropha''
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**[[3ml1]], [[3o5a]] - NAP catalytic subunit + NAPB + heme + MGD + Mo – ''Ralstonia eutropha''<br />
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**[[5yly]] – NR cytochrome b5 reductase domain + FAD – ''Ulva prolifera''<br />
*Bacterial respiratory NR
*Bacterial respiratory NR

Current revision

Bacterial periplasmic dissimilatory nitrate reductase containing Fe4S4 cluster with Mo, NO3- and molybdepterin guanine nucleotide (PDB entry 2jiq)

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3D structures of nitrate reductase

Updated on 23-July-2019

References

  1. ↑ NICHOLAS DJ, NASON A. Molybdenum and nitrate reductase. II. Molybdenum as a constituent of nitrate reductase. J Biol Chem. 1954 Mar;207(1):353-60. PMID:13152110
  2. ↑ Najmudin S, Gonzalez PJ, Trincao J, Coelho C, Mukhopadhyay A, Cerqueira NM, Romao CC, Moura I, Moura JJ, Brondino CD, Romao MJ. Periplasmic nitrate reductase revisited: a sulfur atom completes the sixth coordination of the catalytic molybdenum. J Biol Inorg Chem. 2008 Mar 8;. PMID:18327621 doi:10.1007/s00775-008-0359-6

Proteopedia Page Contributors and Editors (what is this?)

Michal Harel, Alexander Berchansky, Joel L. Sussman

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