1pzb

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[[Image:1pzb.jpg|left|200px]]
 
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==THE CRYSTAL STRUCTURES OF REDUCED PSEUDOAZURIN FROM ALCALIGENES FAECALIS S-6 AT TWO PH VALUES==
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The line below this paragraph, containing "STRUCTURE_1pzb", creates the "Structure Box" on the page.
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<StructureSection load='1pzb' size='340' side='right'caption='[[1pzb]], [[Resolution|resolution]] 1.80&Aring;' scene=''>
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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== Structural highlights ==
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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<table><tr><td colspan='2'>[[1pzb]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Alcaligenes_faecalis Alcaligenes faecalis]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1PZB OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1PZB FirstGlance]. <br>
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or leave the SCENE parameter empty for the default display.
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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]] 1.8&#8491;</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=CU:COPPER+(II)+ION'>CU</scene></td></tr>
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{{STRUCTURE_1pzb| PDB=1pzb | SCENE= }}
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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=1pzb FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1pzb OCA], [https://pdbe.org/1pzb PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1pzb RCSB], [https://www.ebi.ac.uk/pdbsum/1pzb PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1pzb ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/AZUP_ALCFA AZUP_ALCFA] This soluble electron transfer copper protein is required for the inactivation of copper-containing nitrite reductase in the presence of oxygen. Serves as a direct electron donor to the nitrite reductase.
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== Evolutionary Conservation ==
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[[Image:Consurf_key_small.gif|200px|right]]
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Check<jmol>
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<jmolCheckbox>
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/pz/1pzb_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
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<text>to colour the structure by Evolutionary Conservation</text>
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</jmolCheckbox>
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</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/main_output.php?pdb_ID=1pzb ConSurf].
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<div style="clear:both"></div>
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'''THE CRYSTAL STRUCTURES OF REDUCED PSEUDOAZURIN FROM ALCALIGENES FAECALIS S-6 AT TWO PH VALUES'''
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==See Also==
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*[[Pseudoazurin|Pseudoazurin]]
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__TOC__
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==Overview==
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</StructureSection>
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The structures of the reduced (Cu1+) blue-copper protein pseudoazurin from Alcaligenes faecalis strain S-6 are refined at pH 7.8 and 4.4 using X-ray diffraction data to 1.8 A resolution. The final R-factors for the high and low pH structures are 0.178 and 0.177, respectively. Comparing the reduced pseudoazurin at pH 7.8 with the oxidised (Cu2+) molecule, small changes are observed in the vicinity of the copper site and on the protein surface. At pH 4.4 the copper substituent imidazole of His81 rotates away from the metal with a concurrent movement of the latter towards the plane of the remaining three ligands (S gamma-Cys78, N delta 1-His40 and S delta-Met86) thus the geometry of the copper site becomes planar trigonal.
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==About this Structure==
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1PZB is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Alcaligenes_faecalis Alcaligenes faecalis]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1PZB OCA].
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==Reference==
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The crystal structures of reduced pseudoazurin from Alcaligenes faecalis S-6 at two pH values., Vakoufari E, Wilson KS, Petratos K, FEBS Lett. 1994 Jun 27;347(2-3):203-6. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/8034003 8034003]
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[[Category: Alcaligenes faecalis]]
[[Category: Alcaligenes faecalis]]
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[[Category: Single protein]]
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[[Category: Large Structures]]
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[[Category: Petratos, K.]]
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[[Category: Petratos K]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 05:40:27 2008''
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Current revision

THE CRYSTAL STRUCTURES OF REDUCED PSEUDOAZURIN FROM ALCALIGENES FAECALIS S-6 AT TWO PH VALUES

PDB ID 1pzb

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