6e67: Difference between revisions
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==Structure of beta2 adrenergic receptor fused to a Gs peptide== | |||
<StructureSection load='6e67' size='340' side='right'caption='[[6e67]], [[Resolution|resolution]] 3.70Å' scene=''> | |||
== Structural highlights == | |||
<table><tr><td colspan='2'>[[6e67]] is a 2 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=6E67 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=6E67 FirstGlance]. <br> | |||
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=P0G:8-[(1R)-2-{[1,1-DIMETHYL-2-(2-METHYLPHENYL)ETHYL]AMINO}-1-HYDROXYETHYL]-5-HYDROXY-2H-1,4-BENZOXAZIN-3(4H)-ONE'>P0G</scene></td></tr> | |||
<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Lysozyme Lysozyme], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.2.1.17 3.2.1.17] </span></td></tr> | |||
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=6e67 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6e67 OCA], [http://pdbe.org/6e67 PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=6e67 RCSB], [http://www.ebi.ac.uk/pdbsum/6e67 PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=6e67 ProSAT]</span></td></tr> | |||
</table> | |||
== Function == | |||
[[http://www.uniprot.org/uniprot/ADRB2_HUMAN ADRB2_HUMAN]] Beta-adrenergic receptors mediate the catecholamine-induced activation of adenylate cyclase through the action of G proteins. The beta-2-adrenergic receptor binds epinephrine with an approximately 30-fold greater affinity than it does norepinephrine. | |||
<div style="background-color:#fffaf0;"> | |||
== Publication Abstract from PubMed == | |||
The crystal structure of the beta2-adrenergic receptor (beta2AR) bound to the G protein adenylyl cyclase stimulatory G protein (Gs) captured the complex in a nucleotide-free state (beta2AR-Gs(empty)). Unfortunately, the beta2AR-Gs(empty) complex does not provide a clear explanation for G protein coupling specificity. Evidence from several sources suggests the existence of a transient complex between the beta2AR and GDP-bound Gs protein (beta2AR-Gs(GDP)) that may represent an intermediate on the way to the formation of beta2AR-Gs(empty) and may contribute to coupling specificity. Here we present a structure of the beta2AR in complex with the carboxyl terminal 14 amino acids from Galphas along with the structure of the GDP-bound Gs heterotrimer. These structures provide evidence for an alternate interaction between the beta2AR and Gs that may represent an intermediate that contributes to Gs coupling specificity. | |||
Structural Insights into the Process of GPCR-G Protein Complex Formation.,Liu X, Xu X, Hilger D, Aschauer P, Tiemann JKS, Du Y, Liu H, Hirata K, Sun X, Guixa-Gonzalez R, Mathiesen JM, Hildebrand PW, Kobilka BK Cell. 2019 May 16;177(5):1243-1251.e12. doi: 10.1016/j.cell.2019.04.021. Epub, 2019 May 9. PMID:31080070<ref>PMID:31080070</ref> | |||
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br> | |||
[[Category: | </div> | ||
[[Category: | <div class="pdbe-citations 6e67" style="background-color:#fffaf0;"></div> | ||
== References == | |||
<references/> | |||
__TOC__ | |||
</StructureSection> | |||
[[Category: Large Structures]] | |||
[[Category: Lysozyme]] | |||
[[Category: Du, Y]] | |||
[[Category: Guixa-Gonzalez, R]] | |||
[[Category: Hildebrand, P]] | [[Category: Hildebrand, P]] | ||
[[Category: Hilger, D]] | |||
[[Category: Hirata, K]] | |||
[[Category: Kobilka, B]] | |||
[[Category: Liu, H]] | [[Category: Liu, H]] | ||
[[Category: Liu, X]] | |||
[[Category: Mathiesen, J]] | |||
[[Category: Sun, X]] | [[Category: Sun, X]] | ||
[[Category: | [[Category: Tiemann, J]] | ||
[[Category: Xu, X]] | [[Category: Xu, X]] | ||
[[Category: | [[Category: G protein coupled receptor]] | ||
[[Category: | [[Category: Membrane protein]] | ||