2aob

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<StructureSection load='2aob' size='340' side='right'caption='[[2aob]], [[Resolution|resolution]] 1.80&Aring;' scene=''>
<StructureSection load='2aob' size='340' side='right'caption='[[2aob]], [[Resolution|resolution]] 1.80&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[2aob]] is a 4 chain structure with sequence from [https://en.wikipedia.org/wiki/Human Human]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2AOB OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2AOB FirstGlance]. <br>
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<table><tr><td colspan='2'>[[2aob]] is a 4 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2AOB OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2AOB FirstGlance]. <br>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=S1S:2-(4-((9S,10S,14S,Z)-18-(2-AMINO-2-OXOETHYL)-9-(CARBOXYMETHYL)-14-(NAPHTHALEN-1-YLMETHYL)-8,17,20-TRIOXO-7,16,19-TRIAZASPIRO[5.14]ICOS-11-EN-10-YL)PHENYL)MALONIC+ACID'>S1S</scene></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">X-ray diffraction, [[Resolution|Resolution]] 1.8&#8491;</td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">GRB2, ASH ([https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 HUMAN])</td></tr>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=S1S:2-(4-((9S,10S,14S,Z)-18-(2-AMINO-2-OXOETHYL)-9-(CARBOXYMETHYL)-14-(NAPHTHALEN-1-YLMETHYL)-8,17,20-TRIOXO-7,16,19-TRIAZASPIRO[5.14]ICOS-11-EN-10-YL)PHENYL)MALONIC+ACID'>S1S</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=2aob FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2aob OCA], [https://pdbe.org/2aob PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2aob RCSB], [https://www.ebi.ac.uk/pdbsum/2aob PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2aob 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=2aob FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2aob OCA], [https://pdbe.org/2aob PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2aob RCSB], [https://www.ebi.ac.uk/pdbsum/2aob PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2aob ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
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[[https://www.uniprot.org/uniprot/GRB2_HUMAN GRB2_HUMAN]] Adapter protein that provides a critical link between cell surface growth factor receptors and the Ras signaling pathway.<ref>PMID:1322798</ref> <ref>PMID:8178156</ref> <ref>PMID:19815557</ref> Isoform 2 does not bind to phosphorylated epidermal growth factor receptor (EGFR) but inhibits EGF-induced transactivation of a RAS-responsive element. Isoform 2 acts as a dominant negative protein over GRB2 and by suppressing proliferative signals, may trigger active programmed cell death.<ref>PMID:1322798</ref> <ref>PMID:8178156</ref> <ref>PMID:19815557</ref>
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[https://www.uniprot.org/uniprot/GRB2_HUMAN GRB2_HUMAN] Adapter protein that provides a critical link between cell surface growth factor receptors and the Ras signaling pathway.<ref>PMID:1322798</ref> <ref>PMID:8178156</ref> <ref>PMID:19815557</ref> Isoform 2 does not bind to phosphorylated epidermal growth factor receptor (EGFR) but inhibits EGF-induced transactivation of a RAS-responsive element. Isoform 2 acts as a dominant negative protein over GRB2 and by suppressing proliferative signals, may trigger active programmed cell death.<ref>PMID:1322798</ref> <ref>PMID:8178156</ref> <ref>PMID:19815557</ref>
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]
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</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=2aob ConSurf].
</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=2aob ConSurf].
<div style="clear:both"></div>
<div style="clear:both"></div>
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<div style="background-color:#fffaf0;">
 
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== Publication Abstract from PubMed ==
 
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The high-affinity binding of the growth factor receptor-bound protein 2 (Grb2) SH2 domain to tyrosine-phosphorylated cytosolic domains of receptor tyrosine kinases (RTKs) is an attractive target for therapeutic intervention in many types of cancer. We report here two crystal forms of a complex between the Grb2 SH2 domain and a potent non-phosphorus-containing macrocyclic peptide mimetic that exhibits significant anti-proliferative effects against erbB-2-dependent breast cancers. This agent represents a "second generation" inhibitor with greatly improved binding affinity and bio-availability compared to its open-chain counterpart. The structures were determined at 2.0A and 1.8A with one and two domain-swapped dimers per asymmetric unit, respectively. The mode of binding and specific interactions between the protein and the inhibitor provide insight into the high potency of this class of macrocylic compounds and may aid in further optimization as part of the iterative rational drug design process.
 
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Crystal structures of a high-affinity macrocyclic peptide mimetic in complex with the Grb2 SH2 domain.,Phan J, Shi ZD, Burke TR Jr, Waugh DS J Mol Biol. 2005 Oct 14;353(1):104-15. PMID:16165154<ref>PMID:16165154</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 2aob" style="background-color:#fffaf0;"></div>
 
==See Also==
==See Also==
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__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Human]]
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[[Category: Homo sapiens]]
[[Category: Large Structures]]
[[Category: Large Structures]]
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[[Category: Burke, T R]]
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[[Category: Burke TR]]
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[[Category: Phan, J]]
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[[Category: Phan J]]
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[[Category: Shi, Z D]]
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[[Category: Shi ZD]]
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[[Category: Waugh, D S]]
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[[Category: Waugh DS]]
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[[Category: Domain swapping]]
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[[Category: Grb2 sh2]]
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[[Category: Kinase signalling]]
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[[Category: Peptide mimetic]]
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[[Category: Transferase]]
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Current revision

Crystal structures of a high-affinity macrocyclic peptide mimetic in complex with the Grb2 SH2 domain

PDB ID 2aob

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