3c59: Difference between revisions

No edit summary
No edit summary
 
(10 intermediate revisions by the same user not shown)
Line 1: Line 1:
[[Image:3c59.jpg|left|200px]]
<!--
The line below this paragraph, containing "STRUCTURE_3c59", creates the "Structure Box" on the page.
You may change the PDB parameter (which sets the PDB file loaded into the applet)
or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
or leave the SCENE parameter empty for the default display.
-->
{{STRUCTURE_3c59|  PDB=3c59  |  SCENE=  }}
'''Crystal structure of the ligand-bound glucagon-like peptide-1 receptor extracellular domain'''


==Crystal structure of the ligand-bound glucagon-like peptide-1 receptor extracellular domain==
<StructureSection load='3c59' size='340' side='right'caption='[[3c59]], [[Resolution|resolution]] 2.30&Aring;' scene=''>
== Structural highlights ==
<table><tr><td colspan='2'>[[3c59]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Heloderma_suspectum Heloderma suspectum] and [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3C59 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3C59 FirstGlance]. <br>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.3&#8491;</td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=10M:DECYL+4-O-ALPHA-D-GLUCOPYRANOSYL-1-THIO-BETA-D-GLUCOPYRANOSIDE'>10M</scene>, <scene name='pdbligand=MSE:SELENOMETHIONINE'>MSE</scene></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=3c59 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3c59 OCA], [https://pdbe.org/3c59 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3c59 RCSB], [https://www.ebi.ac.uk/pdbsum/3c59 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3c59 ProSAT]</span></td></tr>
</table>
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
  <jmolCheckbox>
    <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/c5/3c59_consurf.spt"</scriptWhenChecked>
    <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview03.spt</scriptWhenUnchecked>
    <text>to colour the structure by Evolutionary Conservation</text>
  </jmolCheckbox>
</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/main_output.php?pdb_ID=3c59 ConSurf].
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
The glucagon-like peptide-1 receptor (GLP-1R) belongs to Family B1 of the seven-transmembrane G protein-coupled receptors, and its natural agonist ligand is the peptide hormone glucagon-like peptide-1 (GLP-1). GLP-1 is involved in glucose homeostasis, and activation of GLP-1R in the plasma membrane of pancreatic beta-cells potentiates glucose-dependent insulin secretion. The N-terminal extracellular domain (nGLP-1R) is an important ligand binding domain that binds GLP-1 and the homologous peptide Exendin-4 with differential affinity. Exendin-4 has a C-terminal extension of nine amino acid residues known as the "Trp cage", which is absent in GLP-1. The Trp cage was believed to interact with nGLP-1R and thereby explain the superior affinity of Exendin-4. However, the molecular details that govern ligand binding and specificity of nGLP-1R remain undefined. Here we report the crystal structure of human nGLP-1R in complex with the antagonist Exendin-4(9-39) solved by the multiwavelength anomalous dispersion method to 2.2A resolution. The structure reveals that Exendin-4(9-39) is an amphipathic alpha-helix forming both hydrophobic and hydrophilic interactions with nGLP-1R. The Trp cage of Exendin-4 is not involved in binding to nGLP-1R. The hydrophobic binding site of nGLP-1R is defined by discontinuous segments including primarily a well defined alpha-helix in the N terminus of nGLP-1R and a loop between two antiparallel beta-strands. The structure provides for the first time detailed molecular insight into ligand binding of the human GLP-1 receptor, an established target for treatment of type 2 diabetes.


==Overview==
Crystal structure of the ligand-bound glucagon-like peptide-1 receptor extracellular domain.,Runge S, Thogersen H, Madsen K, Lau J, Rudolph R J Biol Chem. 2008 Apr 25;283(17):11340-7. Epub 2008 Feb 20. PMID:18287102<ref>PMID:18287102</ref>
The glucagon-like peptide-1 receptor (GLP-1R) belongs to Family B1 of the seven-transmembrane G protein-coupled receptors, and its natural agonist ligand is the peptide hormone glucagon-like peptide-1 (GLP-1). GLP-1 is involved in glucose homeostasis, and activation of GLP-1R in the plasma membrane of pancreatic beta-cells potentiates glucose-dependent insulin secretion. The N-terminal extracellular domain (nGLP-1R) is an important ligand binding domain that binds GLP-1 and the homologous peptide Exendin-4 with differential affinity. Exendin-4 has a C-terminal extension of nine amino acid residues known as the "Trp cage", which is absent in GLP-1. The Trp cage was believed to interact with nGLP-1R and thereby explain the superior affinity of Exendin-4. However, the molecular details that govern ligand binding and specificity of nGLP-1R remain undefined. Here we report the crystal structure of human nGLP-1R in complex with the antagonist Exendin-4(9-39) solved by the multiwavelength anomalous dispersion method to 2.2A resolution. The structure reveals that Exendin-4(9-39) is an amphipathic alpha-helix forming both hydrophobic and hydrophilic interactions with nGLP-1R. The Trp cage of Exendin-4 is not involved in binding to nGLP-1R. The hydrophobic binding site of nGLP-1R is defined by discontinuous segments including primarily a well defined alpha-helix in the N terminus of nGLP-1R and a loop between two antiparallel beta-strands. The structure provides for the first time detailed molecular insight into ligand binding of the human GLP-1 receptor, an established target for treatment of type 2 diabetes.


==About this Structure==
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
3C59 is a [[Protein complex]] structure of sequences from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3C59 OCA].
</div>
<div class="pdbe-citations 3c59" style="background-color:#fffaf0;"></div>


==Reference==
==See Also==
Crystal Structure of the Ligand-bound Glucagon-like Peptide-1 Receptor Extracellular Domain., Runge S, Thogersen H, Madsen K, Lau J, Rudolph R, J Biol Chem. 2008 Apr 25;283(17):11340-7. Epub 2008 Feb 20. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/18287102 18287102]
*[[Glucagon-like peptide receptor 3D structures|Glucagon-like peptide receptor 3D structures]]
== References ==
<references/>
__TOC__
</StructureSection>
[[Category: Heloderma suspectum]]
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
[[Category: Protein complex]]
[[Category: Large Structures]]
[[Category: Runge, S.]]
[[Category: Runge S]]
[[Category: Amidation]]
[[Category: Cleavage on pair of basic residue]]
[[Category: G-protein coupled receptor]]
[[Category: Glycoprotein]]
[[Category: Ligand-bound g protein-coupled receptor]]
[[Category: Membrane]]
[[Category: Pharmaceutical]]
[[Category: Polymorphism]]
[[Category: Secreted]]
[[Category: Signaling protein/signaling protein complex]]
[[Category: Transducer]]
[[Category: Transmembrane]]
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Wed May  7 08:59:15 2008''

Proteopedia Page Contributors and Editors (what is this?)Proteopedia Page Contributors and Editors (what is this?)

OCA