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[[Image:1lvq.png|left|200px]]
==IC3 of CB1 Bound to G(alpha)i==
<StructureSection load='1lvq' size='340' side='right' caption='[[1lvq]], [[NMR_Ensembles_of_Models | 1 NMR models]]' scene=''>
== Structural highlights ==
<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 [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1LVQ FirstGlance]. <br>
</td></tr><tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1lvr|1lvr]]</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=1lvq FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1lvq OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1lvq RCSB], [http://www.ebi.ac.uk/pdbsum/1lvq PDBsum]</span></td></tr>
<table>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
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.


{{STRUCTURE_1lvq|  PDB=1lvq  |  SCENE=  }}
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>


===IC3 of CB1 Bound to G(alpha)i===
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br>
 
</div>
{{ABSTRACT_PUBMED_12237474}}
== References ==
 
<references/>
==About this Structure==
__TOC__
[[1lvq]] is a 1 chain structure. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1LVQ OCA].
</StructureSection>
 
==Reference==
<ref group="xtra">PMID:012237474</ref><references group="xtra"/>
[[Category: Kendall, D A.]]
[[Category: Kendall, D A.]]
[[Category: McMurry, J L.]]
[[Category: McMurry, J L.]]
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