1ux9

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{{Seed}}
 
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[[Image:1ux9.png|left|200px]]
 
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==Mapping protein matrix cavities in human cytoglobin through Xe atom binding: a crystallographic investigation==
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The line below this paragraph, containing "STRUCTURE_1ux9", creates the "Structure Box" on the page.
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<StructureSection load='1ux9' size='340' side='right'caption='[[1ux9]], [[Resolution|resolution]] 2.40&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'>[[1ux9]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1UX9 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1UX9 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]] 2.4&#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=FC6:HEXACYANOFERRATE(3-)'>FC6</scene>, <scene name='pdbligand=HEM:PROTOPORPHYRIN+IX+CONTAINING+FE'>HEM</scene>, <scene name='pdbligand=XE:XENON'>XE</scene></td></tr>
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{{STRUCTURE_1ux9| PDB=1ux9 | 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=1ux9 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1ux9 OCA], [https://pdbe.org/1ux9 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1ux9 RCSB], [https://www.ebi.ac.uk/pdbsum/1ux9 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1ux9 ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/CYGB_HUMAN CYGB_HUMAN] May have a protective function during conditions of oxidative stress. May be involved in intracellular oxygen storage or transfer.
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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/ux/1ux9_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=1ux9 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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Cytoglobin is the fourth recognized globin type, almost ubiquitously distributed in human tissues; its function is still poorly understood. Cytoglobin displays a core region of about 150 residues, structurally related to hemoglobin and myoglobin, and two extra segments, about 20 residues each, at the N- and C-termini. The core region hosts a large apolar cavity, held to provide a ligand diffusion pathway to/from the heme, and/or ligand temporary docking sites. Here we report the crystal structure (2.4A resolution, R-factor 19.1%) of a human cytoglobin mutant bearing the CysB2(38) --&gt; Ser and CysE9(83) --&gt; Ser substitutions (CYGB*), treated under pressurized xenon. Three Xe atoms bind to the heme distal site region of CYGB* mapping the protein matrix apolar cavity. Despite the conserved globin fold, the cavity found in CYGB* is structured differently from those recognized to play a functional role in myoglobin, neuroglobin, truncated hemoglobins, and Cerebratulus lacteus mini-hemoglobin.
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===MAPPING PROTEIN MATRIX CAVITIES IN HUMAN CYTOGLOBIN THROUGH XE ATOM BINDING: A CRYSTALLOGRAPHIC INVESTIGATION===
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Mapping protein matrix cavities in human cytoglobin through Xe atom binding.,de Sanctis D, Dewilde S, Pesce A, Moens L, Ascenzi P, Hankeln T, Burmester T, Bolognesi M Biochem Biophys Res Commun. 2004 Apr 16;316(4):1217-21. PMID:15044115<ref>PMID:15044115</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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The line below this paragraph, {{ABSTRACT_PUBMED_15044115}}, adds the Publication Abstract to the page
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<div class="pdbe-citations 1ux9" style="background-color:#fffaf0;"></div>
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(as it appears on PubMed at http://www.pubmed.gov), where 15044115 is the PubMed ID number.
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== References ==
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<references/>
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{{ABSTRACT_PUBMED_15044115}}
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__TOC__
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</StructureSection>
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==About this Structure==
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1UX9 is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1UX9 OCA].
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==Reference==
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Mapping protein matrix cavities in human cytoglobin through Xe atom binding., de Sanctis D, Dewilde S, Pesce A, Moens L, Ascenzi P, Hankeln T, Burmester T, Bolognesi M, Biochem Biophys Res Commun. 2004 Apr 16;316(4):1217-21. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/15044115 15044115]
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[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Single protein]]
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[[Category: Large Structures]]
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[[Category: Ascenzi, P.]]
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[[Category: Ascenzi P]]
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[[Category: Bolognesi, M.]]
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[[Category: Bolognesi M]]
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[[Category: Burmester, T.]]
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[[Category: Burmester T]]
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[[Category: Dewilde, S.]]
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[[Category: De Sanctis D]]
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[[Category: Hankeln, T.]]
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[[Category: Dewilde S]]
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[[Category: Moens, L.]]
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[[Category: Hankeln T]]
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[[Category: Pesce, A.]]
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[[Category: Moens L]]
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[[Category: Sanctis, D De.]]
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[[Category: Pesce A]]
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[[Category: Heme]]
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[[Category: Oxygen storage/transport]]
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[[Category: Transport]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jul 28 05:31:05 2008''
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Current revision

Mapping protein matrix cavities in human cytoglobin through Xe atom binding: a crystallographic investigation

PDB ID 1ux9

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