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2bv8

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[[Image:2bv8.png|left|200px]]
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==THE CRYSTAL STRUCTURE OF PHYCOCYANIN FROM GRACILARIA CHILENSIS.==
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<StructureSection load='2bv8' size='340' side='right' caption='[[2bv8]], [[Resolution|resolution]] 2.01&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[2bv8]] is a 12 chain structure with sequence from [http://en.wikipedia.org/wiki/Gracilaria_chilensis Gracilaria chilensis]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2BV8 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2BV8 FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=CYC:PHYCOCYANOBILIN'>CYC</scene>, <scene name='pdbligand=PEB:PHYCOERYTHROBILIN'>PEB</scene><br>
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<tr><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=MEN:N-METHYL+ASPARAGINE'>MEN</scene></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=2bv8 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2bv8 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2bv8 RCSB], [http://www.ebi.ac.uk/pdbsum/2bv8 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/bv/2bv8_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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Phycocyanin is a phycobiliprotein involved in light harvesting and conduction of light to the reaction centers in cyanobacteria and red algae. The structure of C-phycocyanin from Gracilaria chilensis was solved by X-ray crystallography at 2.0 A resolution in space group P2(1). An interaction model between two PC heterohexamers was built, followed by molecular dynamic refinement. The best model showed an inter-hexamer rotation of 23 degrees . The coordinates of a PC heterohexamer (alphabeta)(6) and of the PC-PC complex were used to perform energy transfer calculations between chromophores pairs using the fluorescence resonance energy transfer approach (FRET). Two main intra PC ((I)beta(3)(82)--&gt;(I)alpha(1)(84)--&gt;(I)alpha(5)(84)--&gt;(I)beta(6)(82) and (I)beta(3)(153)--&gt;(I)beta(5)(153)) and two main inter PC ((I)beta(6)(82)--&gt;(II)beta(3)(82) and (I)beta(5)(153)--&gt;(II)beta(3)(153)) pathways were proposed based on the values of the energy transfer constants calculated for all the chromophore pairs in the hexamer and in the complex.
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{{STRUCTURE_2bv8| PDB=2bv8 | SCENE= }}
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The structure at 2 A resolution of Phycocyanin from Gracilaria chilensis and the energy transfer network in a PC-PC complex.,Contreras-Martel C, Matamala A, Bruna C, Poo-Caamano G, Almonacid D, Figueroa M, Martinez-Oyanedel J, Bunster M Biophys Chem. 2007 Feb;125(2-3):388-96. Epub 2006 Nov 10. PMID:17118524<ref>PMID:17118524</ref>
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===THE CRYSTAL STRUCTURE OF PHYCOCYANIN FROM GRACILARIA CHILENSIS.===
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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_17118524}}
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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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[[2bv8]] is a 12 chain structure with sequence from [http://en.wikipedia.org/wiki/Gracilaria_chilensis Gracilaria chilensis]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2BV8 OCA].
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:017118524</ref><references group="xtra"/>
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[[Category: Gracilaria chilensis]]
[[Category: Gracilaria chilensis]]
[[Category: Bruna, C.]]
[[Category: Bruna, C.]]

Revision as of 00:40, 30 September 2014

THE CRYSTAL STRUCTURE OF PHYCOCYANIN FROM GRACILARIA CHILENSIS.

2bv8, resolution 2.01Å

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