3ir5

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Current revision (10:01, 6 November 2024) (edit) (undo)
 
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<StructureSection load='3ir5' size='340' side='right'caption='[[3ir5]], [[Resolution|resolution]] 2.30&Aring;' scene=''>
<StructureSection load='3ir5' size='340' side='right'caption='[[3ir5]], [[Resolution|resolution]] 2.30&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[3ir5]] is a 3 chain structure with sequence from [https://en.wikipedia.org/wiki/Ecoli Ecoli]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3IR5 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3IR5 FirstGlance]. <br>
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<table><tr><td colspan='2'>[[3ir5]] is a 3 chain structure with sequence from [https://en.wikipedia.org/wiki/Escherichia_coli_K-12 Escherichia coli K-12]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3IR5 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3IR5 FirstGlance]. <br>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=6MO:MOLYBDENUM(VI)+ION'>6MO</scene>, <scene name='pdbligand=AGA:(1S)-2-{[{[(2S)-2,3-DIHYDROXYPROPYL]OXY}(HYDROXY)PHOSPHORYL]OXY}-1-[(PENTANOYLOXY)METHYL]ETHYL+OCTANOATE'>AGA</scene>, <scene name='pdbligand=F3S:FE3-S4+CLUSTER'>F3S</scene>, <scene name='pdbligand=HEM:PROTOPORPHYRIN+IX+CONTAINING+FE'>HEM</scene>, <scene name='pdbligand=MD1:PHOSPHORIC+ACID+4-(2-AMINO-4-OXO-3,4,5,6,-TETRAHYDRO-PTERIDIN-6-YL)-2-HYDROXY-3,4-DIMERCAPTO-BUT-3-EN-YL+ESTER+GUANYLATE+ESTER'>MD1</scene>, <scene name='pdbligand=SF4:IRON/SULFUR+CLUSTER'>SF4</scene></td></tr>
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.3&#8491;</td></tr>
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<tr id='NonStdRes'><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=FME:N-FORMYLMETHIONINE'>FME</scene></td></tr>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=6MO:MOLYBDENUM(VI)+ION'>6MO</scene>, <scene name='pdbligand=AGA:(1S)-2-{[{[(2S)-2,3-DIHYDROXYPROPYL]OXY}(HYDROXY)PHOSPHORYL]OXY}-1-[(PENTANOYLOXY)METHYL]ETHYL+OCTANOATE'>AGA</scene>, <scene name='pdbligand=FME:N-FORMYLMETHIONINE'>FME</scene>, <scene name='pdbligand=HEM:PROTOPORPHYRIN+IX+CONTAINING+FE'>HEM</scene>, <scene name='pdbligand=MD1:PHOSPHORIC+ACID+4-(2-AMINO-4-OXO-3,4,5,6,-TETRAHYDRO-PTERIDIN-6-YL)-2-HYDROXY-3,4-DIMERCAPTO-BUT-3-EN-YL+ESTER+GUANYLATE+ESTER'>MD1</scene></td></tr>
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat"><div style='overflow: auto; max-height: 3em;'>[[1q16|1q16]], [[3ir6|3ir6]], [[3ir7|3ir7]]</div></td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">narG, bisD, narC, b1224, JW1215 ([https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=83333 ECOLI]), narH, b1225, JW1216 ([https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=83333 ECOLI]), narI, chlI, b1227, JW1218 ([https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=83333 ECOLI])</td></tr>
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<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[https://en.wikipedia.org/wiki/Nitrate_reductase Nitrate reductase], with EC number [https://www.brenda-enzymes.info/php/result_flat.php4?ecno=1.7.99.4 1.7.99.4] </span></td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=3ir5 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3ir5 OCA], [https://pdbe.org/3ir5 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3ir5 RCSB], [https://www.ebi.ac.uk/pdbsum/3ir5 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3ir5 ProSAT]</span></td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=3ir5 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3ir5 OCA], [https://pdbe.org/3ir5 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3ir5 RCSB], [https://www.ebi.ac.uk/pdbsum/3ir5 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3ir5 ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
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[[https://www.uniprot.org/uniprot/NARG_ECOLI NARG_ECOLI]] The nitrate reductase enzyme complex allows E.coli to use nitrate as an electron acceptor during anaerobic growth. The alpha chain is the actual site of nitrate reduction. [[https://www.uniprot.org/uniprot/NARI_ECOLI NARI_ECOLI]] The nitrate reductase enzyme complex allows E.coli to use nitrate as an electron acceptor during anaerobic growth. The gamma chain is a membrane-embedded heme-iron unit resembling cytochrome b, which transfers electrons from quinones to the beta subunit. [[https://www.uniprot.org/uniprot/NARH_ECOLI NARH_ECOLI]] The nitrate reductase enzyme complex allows E.coli to use nitrate as an electron acceptor during anaerobic growth. The beta chain is an electron transfer unit containing four cysteine clusters involved in the formation of iron-sulfur centers. Electrons are transferred from the gamma chain to the molybdenum cofactor of the alpha subunit.
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[https://www.uniprot.org/uniprot/NARI_ECOLI NARI_ECOLI] The nitrate reductase enzyme complex allows E.coli to use nitrate as an electron acceptor during anaerobic growth. The gamma chain is a membrane-embedded heme-iron unit resembling cytochrome b, which transfers electrons from quinones to the beta subunit.
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]
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<jmolCheckbox>
<jmolCheckbox>
<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/ir/3ir5_consurf.spt"</scriptWhenChecked>
<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/ir/3ir5_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview03.spt</scriptWhenUnchecked>
<text>to colour the structure by Evolutionary Conservation</text>
<text>to colour the structure by Evolutionary Conservation</text>
</jmolCheckbox>
</jmolCheckbox>
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__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Ecoli]]
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[[Category: Escherichia coli K-12]]
[[Category: Large Structures]]
[[Category: Large Structures]]
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[[Category: Nitrate reductase]]
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[[Category: Bertero MG]]
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[[Category: Bertero, M G]]
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[[Category: Rothery RA]]
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[[Category: Rothery, R A]]
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[[Category: Strynadka NCJ]]
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[[Category: Strynadka, N C.J]]
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[[Category: Weiner JH]]
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[[Category: Weiner, J H]]
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[[Category: 3fe-4]]
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[[Category: 4fe-4]]
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[[Category: Cell inner membrane]]
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[[Category: Cell membrane]]
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[[Category: Electron transfer]]
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[[Category: Electron transport]]
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[[Category: Formylation]]
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[[Category: Heme]]
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[[Category: Iron]]
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[[Category: Iron-sulfur]]
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[[Category: Membrane]]
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[[Category: Membrane protein]]
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[[Category: Metal-binding]]
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[[Category: Molybdenum]]
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[[Category: Nitrate assimilation]]
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[[Category: Oxidoreductase]]
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[[Category: Transmembrane]]
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[[Category: Transport]]
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Current revision

Crystal structure of NarGHI mutant NarG-H49C

PDB ID 3ir5

Drag the structure with the mouse to rotate

Proteopedia Page Contributors and Editors (what is this?)

OCA

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