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1a7d

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[[Image:1a7d.png|left|200px]]
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==CHLOROMET MYOHEMERYTHRIN FROM THEMISTE ZOSTERICOLA==
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<StructureSection load='1a7d' size='340' side='right' caption='[[1a7d]], [[Resolution|resolution]] 1.80&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1a7d]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Themiste_hennahi Themiste hennahi]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1A7D OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1A7D FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=CFO:CHLORO+DIIRON-OXO+MOIETY'>CFO</scene>, <scene name='pdbligand=CL:CHLORIDE+ION'>CL</scene><br>
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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=1a7d FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1a7d OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1a7d RCSB], [http://www.ebi.ac.uk/pdbsum/1a7d 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/a7/1a7d_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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Myohemerythrin (Mhr) is a nonheme iron oxygen carrier found in the retractor muscles of marine "peanut" worms. The X-ray crystal structures of two recombinant Themiste zostericola Mhrs are reported to a resolution of 1.8 A. Surprisingly, the met wild-type structure (R = 17.8%) was found to contain chloride bound to Fe2, while coordinated hydroxide was found in the met L103N structure (R = 18.3%). An internal water molecule was also found distal to the Fe-O-Fe center of the mutant protein, forming hydrogen bonds with the coordinated hydroxide and the OD1 atom of Asn-103. This finding is consistent with the kinetic and spectroscopic results reported for the L103N mutant Mhr [Raner, G. M., Martins, L. J., &amp; Ellis, W. R., Jr. (1997) Biochemistry 36, 7037-7043]. Possible roles for the side chain of residue 103 (Leu in wild-type Mhr) in gating ligand binding are also discussed.
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{{STRUCTURE_1a7d| PDB=1a7d | SCENE= }}
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Structures of wild-type chloromet and L103N hydroxomet Themiste zostericola myohemerythrins at 1.8 A resolution.,Martins LJ, Hill CP, Ellis WR Jr Biochemistry. 1997 Jun 10;36(23):7044-9. PMID:9188702<ref>PMID:9188702</ref>
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===CHLOROMET MYOHEMERYTHRIN FROM THEMISTE ZOSTERICOLA===
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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_9188702}}
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== References ==
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<references/>
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==About this Structure==
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__TOC__
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[[1a7d]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Themiste_hennahi Themiste hennahi]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1A7D OCA].
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:009188702</ref><ref group="xtra">PMID:014695246</ref><references group="xtra"/>
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[[Category: Themiste hennahi]]
[[Category: Themiste hennahi]]
[[Category: Hill, C P.]]
[[Category: Hill, C P.]]

Revision as of 08:33, 23 July 2014

CHLOROMET MYOHEMERYTHRIN FROM THEMISTE ZOSTERICOLA

1a7d, resolution 1.80Å

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