2qpp

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[[Image:2qpp.png|left|200px]]
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==Crystal structure of human heme oxygenase-2 C127A (HO-2) with bound heme==
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<StructureSection load='2qpp' size='340' side='right' caption='[[2qpp]], [[Resolution|resolution]] 2.61&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[2qpp]] is a 2 chain structure with 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=2QPP OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2QPP FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=HEM:PROTOPORPHYRIN+IX+CONTAINING+FE'>HEM</scene><br>
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<tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[2q32|2q32]]</td></tr>
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<tr><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">HMOX2, HO2 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 Homo sapiens])</td></tr>
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<tr><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Heme_oxygenase Heme oxygenase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=1.14.99.3 1.14.99.3] </span></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=2qpp FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2qpp OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2qpp RCSB], [http://www.ebi.ac.uk/pdbsum/2qpp 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/qp/2qpp_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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Heme oxygenase (HO) catalyzes the first step in the heme degradation pathway. The crystal structures of apo- and heme-bound truncated human HO-2 reveal a primarily alpha-helical architecture similar to that of human HO-1 and other known HOs. Proper orientation of heme in HO-2 is required for the regioselective oxidation of the alpha-mesocarbon. This is accomplished by interactions within the heme binding pocket, which is made up of two helices. The iron coordinating residue, His(45), resides on the proximal helix. The distal helix contains highly conserved glycine residues that allow the helix to flex and interact with the bound heme. Tyr(154), Lys(199), and Arg(203) orient the heme through direct interactions with the heme propionates. The rearrangements of side chains in heme-bound HO-2 compared with apoHO-2 further elucidate HO-2 heme interactions.
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{{STRUCTURE_2qpp| PDB=2qpp | SCENE= }}
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Comparison of apo- and heme-bound crystal structures of a truncated human heme oxygenase-2.,Bianchetti CM, Yi L, Ragsdale SW, Phillips GN Jr J Biol Chem. 2007 Dec 28;282(52):37624-31. Epub 2007 Oct 26. PMID:17965015<ref>PMID:17965015</ref>
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===Crystal structure of human heme oxygenase-2 C127A (HO-2) with bound heme===
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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_17965015}}
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==About this Structure==
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[[2qpp]] is a 2 chain structure with 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=2QPP OCA].
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==See Also==
==See Also==
*[[Heme oxygenase|Heme oxygenase]]
*[[Heme oxygenase|Heme oxygenase]]
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== References ==
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==Reference==
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<references/>
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<ref group="xtra">PMID:017965015</ref><references group="xtra"/>
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__TOC__
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</StructureSection>
[[Category: Heme oxygenase]]
[[Category: Heme oxygenase]]
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]

Revision as of 08:36, 29 September 2014

Crystal structure of human heme oxygenase-2 C127A (HO-2) with bound heme

2qpp, resolution 2.61Å

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