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1rec

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[[Image:1rec.gif|left|200px]]<br /><applet load="1rec" size="350" color="white" frame="true" align="right" spinBox="true"
 
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caption="1rec, resolution 1.9&Aring;" />
 
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'''THREE-DIMENSIONAL STRUCTURE OF RECOVERIN, A CALCIUM SENSOR IN VISION'''<br />
 
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==Overview==
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==THREE-DIMENSIONAL STRUCTURE OF RECOVERIN, A CALCIUM SENSOR IN VISION==
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Recoverin, a recently discovered member of the EF hand superfamily, serves as a calcium sensor in vision. We report here the crystal structure of recombinant unmyristoylated recoverin at 1.9 A resolution. The four EF hands of the protein are arranged in a compact array that contrasts with the dumbbell shape of calmodulin and troponin C. A calcium ion is bound to EF hand 3, while EF hand 2 can bind samarium but not calcium in this crystal form. The other two EF hands have novel structural features that prevent or impair calcium binding. A concave hydrophobic surface formed by EF hands 1 and 2 may participate in the read out of calcium signals by recoverin and its homologs.
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<StructureSection load='1rec' size='340' side='right'caption='[[1rec]], [[Resolution|resolution]] 1.90&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1rec]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Bos_taurus Bos taurus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1REC OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1REC FirstGlance]. <br>
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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]] 1.9&#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=CA:CALCIUM+ION'>CA</scene></td></tr>
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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=1rec FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1rec OCA], [https://pdbe.org/1rec PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1rec RCSB], [https://www.ebi.ac.uk/pdbsum/1rec PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1rec ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/RECO_BOVIN RECO_BOVIN] Seems to be implicated in the pathway from retinal rod guanylate cyclase to rhodopsin. May be involved in the inhibition of the phosphorylation of rhodopsin in a calcium-dependent manner. The calcium-bound recoverin prolongs the photoresponse.<ref>PMID:8097896</ref> <ref>PMID:8392055</ref>
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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/re/1rec_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=1rec ConSurf].
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<div style="clear:both"></div>
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==About this Structure==
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==See Also==
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1REC is a [http://en.wikipedia.org/wiki/Single_protein Single protein] structure of sequence from [http://en.wikipedia.org/wiki/Bos_taurus Bos taurus] with <scene name='pdbligand=CA:'>CA</scene> as [http://en.wikipedia.org/wiki/ligand ligand]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1REC OCA].
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*[[Recoverin%2C a calcium-activated myristoyl switch|Recoverin%2C a calcium-activated myristoyl switch]]
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== References ==
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==Reference==
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<references/>
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Three-dimensional structure of recoverin, a calcium sensor in vision., Flaherty KM, Zozulya S, Stryer L, McKay DB, Cell. 1993 Nov 19;75(4):709-16. PMID:[http://ispc.weizmann.ac.il//pmbin/getpm?pmid=8242744 8242744]
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__TOC__
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</StructureSection>
[[Category: Bos taurus]]
[[Category: Bos taurus]]
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[[Category: Single protein]]
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[[Category: Large Structures]]
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[[Category: Flaherty, K M.]]
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[[Category: Flaherty KM]]
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[[Category: Mckay, D B.]]
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[[Category: Mckay DB]]
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[[Category: Stryer, L.]]
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[[Category: Stryer L]]
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[[Category: Zozulya, S.]]
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[[Category: Zozulya S]]
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[[Category: CA]]
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[[Category: calcium-binding protein]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Feb 21 14:49:56 2008''
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Current revision

THREE-DIMENSIONAL STRUCTURE OF RECOVERIN, A CALCIUM SENSOR IN VISION

PDB ID 1rec

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