1xio: Difference between revisions

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[[Image:1xio.png|left|200px]]


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==Anabaena sensory rhodopsin==
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<StructureSection load='1xio' size='340' side='right'caption='[[1xio]], [[Resolution|resolution]] 2.00&Aring;' scene=''>
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== Structural highlights ==
or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
<table><tr><td colspan='2'>[[1xio]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Nostoc_sp._PCC_7120_=_FACHB-418 Nostoc sp. PCC 7120 = FACHB-418]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1XIO OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1XIO FirstGlance]. <br>
or leave the SCENE parameter empty for the default display.
</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&#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=PEE:1,2-DIOLEOYL-SN-GLYCERO-3-PHOSPHOETHANOLAMINE'>PEE</scene>, <scene name='pdbligand=RET:RETINAL'>RET</scene></td></tr>
{{STRUCTURE_1xio|  PDB=1xio  |  SCENE=  }}
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1xio FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1xio OCA], [https://pdbe.org/1xio PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1xio RCSB], [https://www.ebi.ac.uk/pdbsum/1xio PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1xio ProSAT]</span></td></tr>
</table>
== Function ==
[https://www.uniprot.org/uniprot/Q8YSC4_NOSS1 Q8YSC4_NOSS1]
== 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/xi/1xio_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/main_output.php?pdb_ID=1xio ConSurf].
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<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
Microbial sensory rhodopsins are a family of membrane-embedded photoreceptors in prokaryotic and eukaryotic organisms. Structures of archaeal rhodopsins, which function as light-driven ion pumps or photosensors, have been reported. We present the structure of a eubacterial rhodopsin, which differs from those of previously characterized archaeal rhodopsins in its chromophore and cytoplasmic-side portions. Anabaena sensory rhodopsin exhibits light-induced interconversion between stable 13-cis and all-trans states of the retinylidene protein. The ratio of its cis and trans chromophore forms depends on the wavelength of illumination, thus providing a mechanism for a single protein to signal the color of light, for example, to regulate color-sensitive processes such as chromatic adaptation in photosynthesis. Its cytoplasmic half channel, highly hydrophobic in the archaeal rhodopsins, contains numerous hydrophilic residues networked by water molecules, providing a connection from the photoactive site to the cytoplasmic surface believed to interact with the receptor's soluble 14-kilodalton transducer.


===Anabaena sensory rhodopsin===
Anabaena sensory rhodopsin: a photochromic color sensor at 2.0 A.,Vogeley L, Sineshchekov OA, Trivedi VD, Sasaki J, Spudich JL, Luecke H Science. 2004 Nov 19;306(5700):1390-3. Epub 2004 Sep 30. PMID:15459346<ref>PMID:15459346</ref>


From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
<div class="pdbe-citations 1xio" style="background-color:#fffaf0;"></div>


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==See Also==
The line below this paragraph, {{ABSTRACT_PUBMED_15459346}}, adds the Publication Abstract to the page
*[[Bacteriorhodopsin 3D structures|Bacteriorhodopsin 3D structures]]
(as it appears on PubMed at http://www.pubmed.gov), where 15459346 is the PubMed ID number.
*[[Rhodopsin 3D structures|Rhodopsin 3D structures]]
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== References ==
{{ABSTRACT_PUBMED_15459346}}
<references/>
 
__TOC__
==About this Structure==
</StructureSection>
1XIO is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Anabaena_sp. Anabaena sp.]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1XIO OCA].
[[Category: Large Structures]]
 
[[Category: Nostoc sp. PCC 7120 = FACHB-418]]
==Reference==
[[Category: Luecke H]]
Anabaena sensory rhodopsin: a photochromic color sensor at 2.0 A., Vogeley L, Sineshchekov OA, Trivedi VD, Sasaki J, Spudich JL, Luecke H, Science. 2004 Nov 19;306(5700):1390-3. Epub 2004 Sep 30. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/15459346 15459346]
[[Category: Vogeley L]]
[[Category: Anabaena sp.]]
[[Category: Single protein]]
[[Category: Luecke, H.]]
[[Category: Vogeley, L.]]
[[Category: Photoreceptor]]
[[Category: Signaling protein]]
 
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