2x21: Difference between revisions

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[[Image:2x21.png|left|200px]]
==STRUCTURE OF PERIDININ-CHLOROPHYLL-PROTEIN RECONSTITUTED WITH BCHL-A==
<StructureSection load='2x21' size='340' side='right' caption='[[2x21]], [[Resolution|resolution]] 1.75&Aring;' scene=''>
== Structural highlights ==
<table><tr><td colspan='2'>[[2x21]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Amphidinium_carteriae Amphidinium carteriae]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2X21 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2X21 FirstGlance]. <br>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=BCL:BACTERIOCHLOROPHYLL+A'>BCL</scene>, <scene name='pdbligand=CD:CADMIUM+ION'>CD</scene>, <scene name='pdbligand=CL:CHLORIDE+ION'>CL</scene>, <scene name='pdbligand=DGD:DIGALACTOSYL+DIACYL+GLYCEROL+(DGDG)'>DGD</scene>, <scene name='pdbligand=K:POTASSIUM+ION'>K</scene>, <scene name='pdbligand=NA:SODIUM+ION'>NA</scene>, <scene name='pdbligand=PEG:DI(HYDROXYETHYL)ETHER'>PEG</scene>, <scene name='pdbligand=PID:PERIDININ'>PID</scene></td></tr>
<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1ppr|1ppr]], [[2x1z|2x1z]], [[2x20|2x20]]</td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2x21 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2x21 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2x21 RCSB], [http://www.ebi.ac.uk/pdbsum/2x21 PDBsum]</span></td></tr>
</table>
== Function ==
[[http://www.uniprot.org/uniprot/PCP1_AMPCA PCP1_AMPCA]] Water-soluble antenna for capture of solar energy in the blue-green range. Peridinin is an asymmetric carotenoid.
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
  <jmolCheckbox>
    <scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/x2/2x21_consurf.spt"</scriptWhenChecked>
    <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
    <text>to colour the structure by Evolutionary Conservation</text>
  </jmolCheckbox>
</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].
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
The peridinin-chlorophyll a-protein (PCP) from dinoflagellates is a soluble light harvesting antenna which gathers incoming photons mainly by the carotenoid peridinin. In PCPs reconstituted with different chlorophylls, the peridinin to chlorophyll energy transfer rates are well predicted by a Forster-like theory, but only if the pigment arrangements are identical in all PCPs. We have determined the X-ray structures of PCPs reconstituted with Chlorophyll-b (Chl-b), Chlorophyll-d (Chl-d) and Bacteriochlorophyll-a (BChl-a) to resolutions&lt;or=2A. In all three cases the pigment arrangements are essentially the same as in native PCP. Hydrogen bonding is not responsible for preferential incorporation of "non-native" chlorophylls over Chl-a.


{{STRUCTURE_2x21|  PDB=2x21  |  SCENE=  }}
X-ray structures of the peridinin-chlorophyll-protein reconstituted with different chlorophylls.,Schulte T, Hiller RG, Hofmann E FEBS Lett. 2010 Mar 5;584(5):973-8. Epub 2010 Jan 25. PMID:20102711<ref>PMID:20102711</ref>


===STRUCTURE OF PERIDININ-CHLOROPHYLL-PROTEIN RECONSTITUTED WITH BCHL-A===
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
 
</div>
{{ABSTRACT_PUBMED_20102711}}
== References ==
 
<references/>
==About this Structure==
__TOC__
[[2x21]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Amphidinium_carteriae Amphidinium carteriae]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2X21 OCA].
</StructureSection>
 
==Reference==
<ref group="xtra">PMID:020102711</ref><references group="xtra"/>
[[Category: Amphidinium carteriae]]
[[Category: Amphidinium carteriae]]
[[Category: Hiller, R G.]]
[[Category: Hiller, R G]]
[[Category: Hofmann, E.]]
[[Category: Hofmann, E]]
[[Category: Schulte, T.]]
[[Category: Schulte, T]]
[[Category: Alpha helical]]
[[Category: Alpha helical]]
[[Category: Carotenoid]]
[[Category: Carotenoid]]

Revision as of 02:55, 25 December 2014

STRUCTURE OF PERIDININ-CHLOROPHYLL-PROTEIN RECONSTITUTED WITH BCHL-A

2x21, resolution 1.75Å

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