1lvq

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==IC3 of CB1 Bound to G(alpha)i==
==IC3 of CB1 Bound to G(alpha)i==
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<StructureSection load='1lvq' size='340' side='right'caption='[[1lvq]], [[NMR_Ensembles_of_Models | 1 NMR models]]' scene=''>
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<StructureSection load='1lvq' size='340' side='right'caption='[[1lvq]]' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[1lvq]] is a 1 chain structure. 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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<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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</td></tr><tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat"><div style='overflow: auto; max-height: 3em;'>[[1lvr|1lvr]]</div></td></tr>
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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>
<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>
<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>
</table>
</table>
== Function ==
== Function ==
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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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[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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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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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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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:12237474<ref>PMID:12237474</ref>
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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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<div class="pdbe-citations 1lvq" style="background-color:#fffaf0;"></div>
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== References ==
== References ==
<references/>
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Homo sapiens]]
[[Category: Large Structures]]
[[Category: Large Structures]]
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[[Category: Kendall, D A]]
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[[Category: Kendall DA]]
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[[Category: McMurry, J L]]
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[[Category: McMurry JL]]
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[[Category: Mierke, D F]]
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[[Category: Mierke DF]]
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[[Category: Miller, A]]
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[[Category: Miller A]]
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[[Category: Ulfers, A L]]
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[[Category: Ulfers AL]]
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[[Category: Wang, L]]
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[[Category: Wang L]]
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[[Category: Alpha domain of g protein i]]
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[[Category: Helix while bound]]
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[[Category: Signaling protein]]
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[[Category: Transferred no]]
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Current revision

IC3 of CB1 Bound to G(alpha)i

PDB ID 1lvq

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