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1tag

From Proteopedia

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[[Image:1tag.gif|left|200px]]
 
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==STRUCTURAL DETERMINANTS FOR ACTIVATION OF THE ALPHA-SUBUNIT OF A HETEROTRIMERIC G PROTEIN==
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The line below this paragraph, containing "STRUCTURE_1tag", creates the "Structure Box" on the page.
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<StructureSection load='1tag' size='340' side='right'caption='[[1tag]], [[Resolution|resolution]] 1.80&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'>[[1tag]] 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=1TAG OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1TAG 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]] 1.8&#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=GDP:GUANOSINE-5-DIPHOSPHATE'>GDP</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene></td></tr>
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{{STRUCTURE_1tag| PDB=1tag | 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=1tag FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1tag OCA], [https://pdbe.org/1tag PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1tag RCSB], [https://www.ebi.ac.uk/pdbsum/1tag PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1tag ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/GNAT1_BOVIN GNAT1_BOVIN] Guanine nucleotide-binding proteins (G proteins) are involved as modulators or transducers in various transmembrane signaling systems. Transducin is an amplifier and one of the transducers of a visual impulse that performs the coupling between rhodopsin and cGMP-phosphodiesterase.
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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/ta/1tag_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=1tag ConSurf].
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<div style="clear:both"></div>
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'''STRUCTURAL DETERMINANTS FOR ACTIVATION OF THE ALPHA-SUBUNIT OF A HETEROTRIMERIC G PROTEIN'''
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==See Also==
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*[[Transducin 3D structures|Transducin 3D structures]]
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__TOC__
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==Overview==
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</StructureSection>
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The 1.8 A crystal structure of transducin alpha.GDP, when compared to that of the activated complex with GTP-gamma S, reveals the nature of the conformational changes that occur on activation of a heterotrimeric G-protein alpha-subunit. Structural changes initiated by direct contacts with the terminal phosphate of GTP propagate to regions that have been implicated in effector activation. The changes are distinct from those observed in other members of the GTPase superfamily.
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==About this Structure==
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1TAG is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Bos_taurus Bos taurus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1TAG OCA].
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==Reference==
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Structural determinants for activation of the alpha-subunit of a heterotrimeric G protein., Lambright DG, Noel JP, Hamm HE, Sigler PB, Nature. 1994 Jun 23;369(6482):621-8. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/8208289 8208289]
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[[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: Hamm, H E.]]
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[[Category: Hamm HE]]
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[[Category: Lambright, D G.]]
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[[Category: Lambright DG]]
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[[Category: Noel, J P.]]
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[[Category: Noel JP]]
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[[Category: Sigler, P B.]]
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[[Category: Sigler PB]]
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[[Category: Gtp-binding protein]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 09:44:24 2008''
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Current revision

STRUCTURAL DETERMINANTS FOR ACTIVATION OF THE ALPHA-SUBUNIT OF A HETEROTRIMERIC G PROTEIN

PDB ID 1tag

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