1u55

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[[Image:1u55.png|left|200px]]
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==Crystal structure of an oxygen binding H-NOX domain related to soluble guanylate cyclases (oxygen complex)==
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<StructureSection load='1u55' size='340' side='right' caption='[[1u55]], [[Resolution|resolution]] 1.77&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1u55]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Caldanaerobacter_subterraneus_subsp._tengcongensis Caldanaerobacter subterraneus subsp. tengcongensis]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1U55 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1U55 FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=CL:CHLORIDE+ION'>CL</scene>, <scene name='pdbligand=HEM:PROTOPORPHYRIN+IX+CONTAINING+FE'>HEM</scene>, <scene name='pdbligand=OXY:OXYGEN+MOLECULE'>OXY</scene><br>
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<tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1u4h|1u4h]], [[1u56|1u56]]</td></tr>
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<tr><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">Tar4 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=119072 Caldanaerobacter subterraneus subsp. tengcongensis])</td></tr>
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<tr><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1u55 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1u55 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1u55 RCSB], [http://www.ebi.ac.uk/pdbsum/1u55 PDBsum]</span></td></tr>
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<table>
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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/u5/1u55_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/chain_selection.php?pdb_ID=2ata ConSurf].
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<div style="clear:both"></div>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Soluble guanylate cyclases are nitric oxide-responsive signaling proteins in which the nitric oxide sensor is a heme-binding domain of unknown structure that we have termed the heme-NO and oxygen binding (H-NOX) domain. H-NOX domains are also found in bacteria, either as isolated domains, or are fused through a membrane-spanning region to methyl-accepting chemotaxis proteins. We have determined the crystal structure of an oxygen-binding H-NOX domain of one such signaling protein from the obligate anaerobe Thermoanaerobacter tengcongensis at 1.77-angstroms resolution, revealing a protein fold unrelated to known structures. Particularly striking is the structure of the protoporphyrin IX group, which is distorted from planarity to an extent not seen before in protein-bound heme groups. Comparison of the structure of the H-NOX domain in two different crystal forms suggests a mechanism whereby alteration in the degree of distortion of the heme group is coupled to changes on the molecular surface of the H-NOX domain and potentially to changes in intermolecular interactions.
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{{STRUCTURE_1u55| PDB=1u55 | SCENE= }}
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Crystal structure of an oxygen-binding heme domain related to soluble guanylate cyclases.,Pellicena P, Karow DS, Boon EM, Marletta MA, Kuriyan J Proc Natl Acad Sci U S A. 2004 Aug 31;101(35):12854-9. Epub 2004 Aug 23. PMID:15326296<ref>PMID:15326296</ref>
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===Crystal structure of an oxygen binding H-NOX domain related to soluble guanylate cyclases (oxygen complex)===
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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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{{ABSTRACT_PUBMED_15326296}}
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==About this Structure==
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[[1u55]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Caldanaerobacter_subterraneus_subsp._tengcongensis Caldanaerobacter subterraneus subsp. tengcongensis]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1U55 OCA].
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==See Also==
==See Also==
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*[[Chemotaxis protein|Chemotaxis protein]]
*[[Methyl-accepting chemotaxis protein|Methyl-accepting chemotaxis protein]]
*[[Methyl-accepting chemotaxis protein|Methyl-accepting chemotaxis protein]]
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== References ==
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==Reference==
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<references/>
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<ref group="xtra">PMID:015326296</ref><ref group="xtra">PMID:020459051</ref><references group="xtra"/>
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__TOC__
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</StructureSection>
[[Category: Caldanaerobacter subterraneus subsp. tengcongensis]]
[[Category: Caldanaerobacter subterraneus subsp. tengcongensis]]
[[Category: Boon, E M.]]
[[Category: Boon, E M.]]

Revision as of 00:06, 29 September 2014

Crystal structure of an oxygen binding H-NOX domain related to soluble guanylate cyclases (oxygen complex)

1u55, resolution 1.77Å

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