2i7o

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{{STRUCTURE_2i7o| PDB=2i7o | SCENE= }}
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==Structure of Re(4,7-dimethyl-phen)(Thr124His)(Lys122Trp)(His83Gln)AzCu(II), a Rhenium modified Azurin mutant==
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===Structure of Re(4,7-dimethyl-phen)(Thr124His)(Lys122Trp)(His83Gln)AzCu(II), a Rhenium modified Azurin mutant===
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<StructureSection load='2i7o' size='340' side='right' caption='[[2i7o]], [[Resolution|resolution]] 1.50&Aring;' scene=''>
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{{ABSTRACT_PUBMED_18583608}}
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== Structural highlights ==
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<table><tr><td colspan='2'>[[2i7o]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Pseudomonas_aeruginosa Pseudomonas aeruginosa]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2I7O OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2I7O FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=CU:COPPER+(II)+ION'>CU</scene>, <scene name='pdbligand=REQ:(1,10+PHENANTHROLINE)-(TRI-CARBON+MONOXIDE)+RHENIUM+(I)'>REQ</scene><br>
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<tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1bex|1bex]]</td></tr>
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<tr><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">azu ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=287 Pseudomonas aeruginosa])</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=2i7o FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2i7o OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2i7o RCSB], [http://www.ebi.ac.uk/pdbsum/2i7o 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/i7/2i7o_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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Energy flow in biological structures often requires submillisecond charge transport over long molecular distances. Kinetics modeling suggests that charge-transfer rates can be greatly enhanced by multistep electron tunneling in which redox-active amino acid side chains act as intermediate donors or acceptors. We report transient optical and infrared spectroscopic experiments that quantify the extent to which an intervening tryptophan residue can facilitate electron transfer between distant metal redox centers in a mutant Pseudomonas aeruginosa azurin. Cu(I) oxidation by a photoexcited Re(I)-diimine at position 124 on a histidine(124)-glycine(123)-tryptophan(122)-methionine(121) beta strand occurs in a few nanoseconds, fully two orders of magnitude faster than documented for single-step electron tunneling at a 19 angstrom donor-acceptor distance.
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==Function==
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Tryptophan-accelerated electron flow through proteins.,Shih C, Museth AK, Abrahamsson M, Blanco-Rodriguez AM, Di Bilio AJ, Sudhamsu J, Crane BR, Ronayne KL, Towrie M, Vlcek A Jr, Richards JH, Winkler JR, Gray HB Science. 2008 Jun 27;320(5884):1760-2. PMID:18583608<ref>PMID:18583608</ref>
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[[http://www.uniprot.org/uniprot/AZUR_PSEAE AZUR_PSEAE]] Transfers electrons from cytochrome c551 to cytochrome oxidase.
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==About this Structure==
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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[[2i7o]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Pseudomonas_aeruginosa Pseudomonas aeruginosa]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2I7O OCA].
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</div>
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==Reference==
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==See Also==
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<ref group="xtra">PMID:018583608</ref><references group="xtra"/><references/>
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*[[Azurin|Azurin]]
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== References ==
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<references/>
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__TOC__
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</StructureSection>
[[Category: Pseudomonas aeruginosa]]
[[Category: Pseudomonas aeruginosa]]
[[Category: Crane, B R.]]
[[Category: Crane, B R.]]

Revision as of 04:20, 3 October 2014

Structure of Re(4,7-dimethyl-phen)(Thr124His)(Lys122Trp)(His83Gln)AzCu(II), a Rhenium modified Azurin mutant

2i7o, resolution 1.50Å

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