1gh0

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[[Image:1gh0.gif|left|200px]]
 
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==CRYSTAL STRUCTURE OF C-PHYCOCYANIN FROM SPIRULINA PLATENSIS==
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The line below this paragraph, containing "STRUCTURE_1gh0", creates the "Structure Box" on the page.
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<StructureSection load='1gh0' size='340' side='right'caption='[[1gh0]], [[Resolution|resolution]] 2.20&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'>[[1gh0]] is a 24 chain structure with sequence from [https://en.wikipedia.org/wiki/Arthrospira_platensis Arthrospira platensis]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1GH0 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1GH0 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]] 2.2&#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=CYC:PHYCOCYANOBILIN'>CYC</scene>, <scene name='pdbligand=MEN:N-METHYL+ASPARAGINE'>MEN</scene></td></tr>
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{{STRUCTURE_1gh0| PDB=1gh0 | 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=1gh0 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1gh0 OCA], [https://pdbe.org/1gh0 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1gh0 RCSB], [https://www.ebi.ac.uk/pdbsum/1gh0 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1gh0 ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/PHCA_ARTPT PHCA_ARTPT] Light-harvesting photosynthetic bile pigment-protein from the phycobiliprotein complex.
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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/gh/1gh0_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=1gh0 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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The crystal structure of C-phycocyanin from the cyanobacterium S. platensis has been determined at 2.2 A resolution. The crystals belong to the monoclinic crystal form, which has not been previously reported for phycobiliprotein structures. The structure was solved using the molecular-replacement method with a final R value of 18.9% (R(free) = 23.7%) after model building and refinement. In the crystals used for the study, the C-phycocyanin hexamers formed by face-to-face association of two trimers are arranged in layers rather than in columns. Three different kinds of packing between adjacent hexamers in the layer were compared. The tight packing of two adjacent hexamers formed by four trimers in the asymmetric unit brings beta155 PCB chromophores close together, so it is possible that lateral energy transfer takes place through the beta155-beta155 route.
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'''CRYSTAL STRUCTURE OF C-PHYCOCYANIN FROM SPIRULINA PLATENSIS'''
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Structure of C-phycocyanin from Spirulina platensis at 2.2 A resolution: a novel monoclinic crystal form for phycobiliproteins in phycobilisomes.,Wang XQ, Li LN, Chang WR, Zhang JP, Gui LL, Guo BJ, Liang DC Acta Crystallogr D Biol Crystallogr. 2001 Jun;57(Pt 6):784-92. Epub 2001, May 25. PMID:11375497<ref>PMID:11375497</ref>
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==Overview==
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The crystal structure of C-phycocyanin from the cyanobacterium S. platensis has been determined at 2.2 A resolution. The crystals belong to the monoclinic crystal form, which has not been previously reported for phycobiliprotein structures. The structure was solved using the molecular-replacement method with a final R value of 18.9% (R(free) = 23.7%) after model building and refinement. In the crystals used for the study, the C-phycocyanin hexamers formed by face-to-face association of two trimers are arranged in layers rather than in columns. Three different kinds of packing between adjacent hexamers in the layer were compared. The tight packing of two adjacent hexamers formed by four trimers in the asymmetric unit brings beta155 PCB chromophores close together, so it is possible that lateral energy transfer takes place through the beta155-beta155 route.
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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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1GH0 is a [[Protein complex]] structure of sequences from [http://en.wikipedia.org/wiki/Arthrospira_platensis Arthrospira platensis]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1GH0 OCA].
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</div>
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<div class="pdbe-citations 1gh0" style="background-color:#fffaf0;"></div>
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==Reference==
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==See Also==
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Structure of C-phycocyanin from Spirulina platensis at 2.2 A resolution: a novel monoclinic crystal form for phycobiliproteins in phycobilisomes., Wang XQ, Li LN, Chang WR, Zhang JP, Gui LL, Guo BJ, Liang DC, Acta Crystallogr D Biol Crystallogr. 2001 Jun;57(Pt 6):784-92. Epub 2001, May 25. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/11375497 11375497]
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*[[Phycocyanin|Phycocyanin]]
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== References ==
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<references/>
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__TOC__
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</StructureSection>
[[Category: Arthrospira platensis]]
[[Category: Arthrospira platensis]]
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[[Category: Protein complex]]
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[[Category: Large Structures]]
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[[Category: Chang, W R.]]
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[[Category: Chang W-R]]
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[[Category: Liang, D C.]]
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[[Category: Liang D-C]]
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[[Category: Wang, X Q.]]
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[[Category: Wang X-Q]]
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[[Category: C-phycocyanin from spirulina platensis]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 17:33:00 2008''
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Current revision

CRYSTAL STRUCTURE OF C-PHYCOCYANIN FROM SPIRULINA PLATENSIS

PDB ID 1gh0

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