1tbg

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[[Image:1tbg.png|left|200px]]
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==BETA-GAMMA DIMER OF THE HETEROTRIMERIC G-PROTEIN TRANSDUCIN==
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<StructureSection load='1tbg' size='340' side='right' caption='[[1tbg]], [[Resolution|resolution]] 2.10&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1tbg]] is a 8 chain structure with sequence from [http://en.wikipedia.org/wiki/Bos_taurus Bos taurus]. The October 2004 RCSB PDB [http://pdb.rcsb.org/pdb/static.do?p=education_discussion/molecule_of_the_month/index.html Molecule of the Month] feature on ''G Proteins'' by David S. Goodsell is [http://dx.doi.org/10.2210/rcsb_pdb/mom_2004_10 10.2210/rcsb_pdb/mom_2004_10]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1TBG OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1TBG FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1tbg FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1tbg OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1tbg RCSB], [http://www.ebi.ac.uk/pdbsum/1tbg PDBsum]</span></td></tr>
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<table>
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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/tb/1tbg_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/chain_selection.php?pdb_ID=2ata 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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Many signalling cascades use seven-helical transmembrane receptors coupled to heterotrimeric G proteins (G alpha beta gamma) to convert extracellular signals into intracellular responses. Upon nucleotide exchange catalysed by activated receptors, heterotrimers dissociate into GTP-bound G alpha subunits and G beta gamma dimers, either of which can modulate many downstream effectors. Here we use multiwavelength anomalous diffraction data to solve the crystal structure of the beta gamma dimer of the G protein transducin. The beta-subunit is primarily a seven-bladed beta-propeller that is partially encircled by an extended gamma-subunit. The beta-propeller, which contains seven structurally similar WD repeats, defines the stereochemistry of the WD repeat and the probable architecture of all WD-repeat-containing domains. The structure details interactions between G protein beta- and gamma-subunits and highlights regions implicated in effector modulation for the conserved family of G protein beta gamma dimers.
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{{STRUCTURE_1tbg| PDB=1tbg | SCENE= }}
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Crystal structure of a G-protein beta gamma dimer at 2.1A resolution.,Sondek J, Bohm A, Lambright DG, Hamm HE, Sigler PB Nature. 1996 Jan 25;379(6563):369-74. PMID:8552196<ref>PMID:8552196</ref>
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===BETA-GAMMA DIMER OF THE HETEROTRIMERIC G-PROTEIN TRANSDUCIN===
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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</div>
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{{ABSTRACT_PUBMED_8552196}}
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==See Also==
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*[[Transducin|Transducin]]
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==About this Structure==
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== References ==
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[[1tbg]] is a 8 chain structure with sequence from [http://en.wikipedia.org/wiki/Bos_taurus Bos taurus]. The October 2004 RCSB PDB [http://pdb.rcsb.org/pdb/static.do?p=education_discussion/molecule_of_the_month/index.html Molecule of the Month] feature on ''G Proteins'' by David S. Goodsell is [http://dx.doi.org/10.2210/rcsb_pdb/mom_2004_10 10.2210/rcsb_pdb/mom_2004_10]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1TBG OCA].
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<references/>
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__TOC__
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==Reference==
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</StructureSection>
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<ref group="xtra">PMID:008552196</ref><ref group="xtra">PMID:020581844</ref><references group="xtra"/>
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[[Category: Bos taurus]]
[[Category: Bos taurus]]
[[Category: G Proteins]]
[[Category: G Proteins]]

Revision as of 20:38, 29 September 2014

BETA-GAMMA DIMER OF THE HETEROTRIMERIC G-PROTEIN TRANSDUCIN

1tbg, resolution 2.10Å

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