1lvq

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(New page: 200px<br /> <applet load="1lvq" size="450" color="white" frame="true" align="right" spinBox="true" caption="1lvq" /> '''IC3 of CB1 Bound to G(alpha)i'''<br /> ==O...)
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[[Image:1lvq.gif|left|200px]]<br />
 
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<applet load="1lvq" size="450" color="white" frame="true" align="right" spinBox="true"
 
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caption="1lvq" />
 
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'''IC3 of CB1 Bound to G(alpha)i'''<br />
 
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==Overview==
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==IC3 of CB1 Bound to G(alpha)i==
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The structure of the C-terminal region of the third cytoplasmic loop (IC3), of the cannabinoid receptor one (CB1) bound to G(alphai1) has been, determined using transferred nuclear Overhauser effects (NOEs). The, wild-type IC3 sequence is helical when associated with G(alphai1). In, contrast, a peptide containing the amino-acid inversion, Ala(341)-Leu(342), adopts a single turn. These findings correlate with the attenuated G(i), association of CB1 with the Ala(341)-Leu(342) mutation previously observed, in vivo and the diminished stimulation of G(alphai1) GTPase activity by, the corresponding peptide demonstrated in vitro here. These results, the, first to report the structure of a GPCR domain while associated with G, protein, imply the C-terminus of CB1 IC3, a region with high-sequence, conservation among G-protein coupled receptors, must be helical for, efficient coupling and activation of the G(i) protein.
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<StructureSection load='1lvq' size='340' side='right'caption='[[1lvq]]' scene=''>
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== Structural highlights ==
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==About this Structure==
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<table><tr><td colspan='2'>[[1lvq]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1LVQ OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1LVQ FirstGlance]. <br>
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1LVQ is a [http://en.wikipedia.org/wiki/Single_protein Single protein] structure of sequence from [http://en.wikipedia.org/wiki/ ]. Full crystallographic information is available from [http://ispc.weizmann.ac.il/oca-bin/ocashort?id=1LVQ OCA].
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Solution NMR</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=1lvq FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1lvq OCA], [https://pdbe.org/1lvq PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1lvq RCSB], [https://www.ebi.ac.uk/pdbsum/1lvq PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1lvq ProSAT]</span></td></tr>
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==Reference==
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</table>
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Cannabinoid receptor-G protein interactions: G(alphai1)-bound structures of IC3 and a mutant with altered G protein specificity., Ulfers AL, McMurry JL, Miller A, Wang L, Kendall DA, Mierke DF, Protein Sci. 2002 Oct;11(10):2526-31. PMID:[http://ispc.weizmann.ac.il//pmbin/getpm?pmid=12237474 12237474]
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== Function ==
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[[Category: Single protein]]
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[https://www.uniprot.org/uniprot/CNR1_HUMAN CNR1_HUMAN] Involved in cannabinoid-induced CNS effects. Acts by inhibiting adenylate cyclase. Could be a receptor for anandamide. Inhibits L-type Ca(2+) channel current. Isoform 2 and isoform 3 have altered ligand binding.<ref>PMID:15620723</ref>
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[[Category: Kendall, D.A.]]
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== References ==
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[[Category: McMurry, J.L.]]
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<references/>
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[[Category: Mierke, D.F.]]
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__TOC__
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[[Category: Miller, A.]]
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</StructureSection>
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[[Category: Ulfers, A.L.]]
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[[Category: Homo sapiens]]
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[[Category: Wang, L.]]
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[[Category: Large Structures]]
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[[Category: alpha domain of g protein i]]
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[[Category: Kendall DA]]
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[[Category: cannabinoid 1 receptor (cb1)]]
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[[Category: McMurry JL]]
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[[Category: helix while bound]]
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[[Category: Mierke DF]]
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[[Category: transferred noes]]
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[[Category: Miller A]]
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[[Category: Ulfers AL]]
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''Page seeded by [http://ispc.weizmann.ac.il/oca OCA ] on Mon Nov 12 18:04:33 2007''
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[[Category: Wang L]]

Current revision

IC3 of CB1 Bound to G(alpha)i

PDB ID 1lvq

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