3vol

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==X-ray Crystal Structure of PAS-HAMP Aer2 in the CN-bound Form==
==X-ray Crystal Structure of PAS-HAMP Aer2 in the CN-bound Form==
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<StructureSection load='3vol' size='340' side='right' caption='[[3vol]], [[Resolution|resolution]] 2.40&Aring;' scene=''>
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<StructureSection load='3vol' size='340' side='right'caption='[[3vol]], [[Resolution|resolution]] 2.40&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[3vol]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Pseae Pseae]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3VOL OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3VOL FirstGlance]. <br>
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<table><tr><td colspan='2'>[[3vol]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Pseudomonas_aeruginosa_PAO1 Pseudomonas aeruginosa PAO1]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3VOL OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3VOL FirstGlance]. <br>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=CYN:CYANIDE+ION'>CYN</scene>, <scene name='pdbligand=HEM:PROTOPORPHYRIN+IX+CONTAINING+FE'>HEM</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]] 2.399&#8491;</td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">aer2, PA0176 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=208964 PSEAE])</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=CYN:CYANIDE+ION'>CYN</scene>, <scene name='pdbligand=HEM:PROTOPORPHYRIN+IX+CONTAINING+FE'>HEM</scene></td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3vol FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3vol OCA], [http://pdbe.org/3vol PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=3vol RCSB], [http://www.ebi.ac.uk/pdbsum/3vol PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=3vol ProSAT]</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=3vol FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3vol OCA], [https://pdbe.org/3vol PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3vol RCSB], [https://www.ebi.ac.uk/pdbsum/3vol PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3vol ProSAT]</span></td></tr>
</table>
</table>
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<div style="background-color:#fffaf0;">
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== Function ==
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== Publication Abstract from PubMed ==
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[https://www.uniprot.org/uniprot/MCPB_PSEAE MCPB_PSEAE] Chemoreceptor that plays a critical role in the virulence and pathogenesis of P.aeruginosa in a variety of hosts (PubMed:31511598). Probably acts through oxygen sensing (PubMed:31511598, PubMed:28167524, PubMed:34383467). Uses a heme-based sensor (PubMed:21255112, PubMed:22622145). Could be involved in chemotaxis (PubMed:12142407, PubMed:14987771). When expressed in E.coli, is able to sense and mediate repellent responses to oxygen, carbon monoxide and nitric oxide (PubMed:21255112).<ref>PMID:12142407</ref> <ref>PMID:14987771</ref> <ref>PMID:21255112</ref> <ref>PMID:22622145</ref> <ref>PMID:28167524</ref> <ref>PMID:31511598</ref> <ref>PMID:34383467</ref>
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The crystal structure of a truncated Aer2, a signal transducer protein from Pseudomonas aeruginosa, consisting of the heme-containing PAS and di-HAMP domains revealed that a distal tryptophan residue (Trp283) plays an important role in stabilizing the heme-bound O(2) and intra-molecular signal transduction upon O(2) binding.
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Structural basis for oxygen sensing and signal transduction of the heme-based sensor protein Aer2 from Pseudomonas aeruginosa.,Sawai H, Sugimoto H, Shiro Y, Ishikawa H, Mizutani Y, Aono S Chem Commun (Camb). 2012 Jul 4;48(52):6523-5. doi: 10.1039/c2cc32549g. Epub 2012 , May 23. PMID:22622145<ref>PMID:22622145</ref>
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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</div>
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<div class="pdbe-citations 3vol" style="background-color:#fffaf0;"></div>
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== References ==
== References ==
<references/>
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Pseae]]
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[[Category: Large Structures]]
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[[Category: Aono, S]]
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[[Category: Pseudomonas aeruginosa PAO1]]
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[[Category: Sawai, H]]
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[[Category: Aono S]]
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[[Category: Shiro, Y]]
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[[Category: Sawai H]]
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[[Category: Sugimoto, H]]
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[[Category: Shiro Y]]
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[[Category: Cn-bound]]
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[[Category: Sugimoto H]]
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[[Category: Cyanomet]]
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[[Category: Hamp]]
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[[Category: Heme]]
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[[Category: Oxygen sensor protein]]
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[[Category: Pa]]
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[[Category: Signaling protein]]
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Current revision

X-ray Crystal Structure of PAS-HAMP Aer2 in the CN-bound Form

PDB ID 3vol

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