4n84

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{{STRUCTURE_4n84| PDB=4n84 | SCENE= }}
 
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===Crystal structure of 14-3-3zeta in complex with a 12-carbon-linker cyclic peptide derived from ExoS===
 
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{{ABSTRACT_PUBMED_24504455}}
 
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==Function==
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==Crystal structure of 14-3-3zeta in complex with a 12-carbon-linker cyclic peptide derived from ExoS==
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[[http://www.uniprot.org/uniprot/1433Z_HUMAN 1433Z_HUMAN]] Adapter protein implicated in the regulation of a large spectrum of both general and specialized signaling pathways. Binds to a large number of partners, usually by recognition of a phosphoserine or phosphothreonine motif. Binding generally results in the modulation of the activity of the binding partner.<ref>PMID:9360956</ref> <ref>PMID:14578935</ref> <ref>PMID:15071501</ref> <ref>PMID:15644438</ref> <ref>PMID:16376338</ref>
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<StructureSection load='4n84' size='340' side='right'caption='[[4n84]], [[Resolution|resolution]] 2.50&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[4n84]] is a 4 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens] and [https://en.wikipedia.org/wiki/Pseudomonas_aeruginosa Pseudomonas aeruginosa]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4N84 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4N84 FirstGlance]. <br>
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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]] 2.5&#8491;</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=MKD:(2S)-2-AMINO-2-METHYLOCTANOIC+ACID'>MKD</scene></td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=4n84 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4n84 OCA], [https://pdbe.org/4n84 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4n84 RCSB], [https://www.ebi.ac.uk/pdbsum/4n84 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4n84 ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/1433Z_HUMAN 1433Z_HUMAN] Adapter protein implicated in the regulation of a large spectrum of both general and specialized signaling pathways. Binds to a large number of partners, usually by recognition of a phosphoserine or phosphothreonine motif. Binding generally results in the modulation of the activity of the binding partner.<ref>PMID:9360956</ref> <ref>PMID:14578935</ref> <ref>PMID:15071501</ref> <ref>PMID:15644438</ref> <ref>PMID:16376338</ref>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Bioactive conformations of peptides can be stabilized by macrocyclization, resulting in increased target affinity and activity. Such macrocyclic peptides proved useful as modulators of biological functions, in particular as inhibitors of protein-protein interactions (PPI). However, most peptide-derived PPI inhibitors involve stabilized alpha-helices, leaving a large number of secondary structures unaddressed. Herein, we present a rational approach towards stabilization of an irregular peptide structure, using hydrophobic cross-links that replace residues crucially involved in target binding. The molecular basis of this interaction was elucidated by X-ray crystallography and isothermal titration calorimetry. The resulting cross-linked peptides inhibit the interaction between human adaptor protein 14-3-3 and virulence factor exoenzyme S. Taking into consideration that irregular peptide structures participate widely in PPIs, this approach provides access to novel peptide-derived inhibitors.
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==About this Structure==
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Constrained Peptides with Target-Adapted Cross-Links as Inhibitors of a Pathogenic Protein-Protein Interaction.,Glas A, Bier D, Hahne G, Rademacher C, Ottmann C, Grossmann TN Angew Chem Int Ed Engl. 2014 Feb 6. doi: 10.1002/anie.201310082. PMID:24504455<ref>PMID:24504455</ref>
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[[4n84]] is a 4 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4N84 OCA].
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==Reference==
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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<ref group="xtra">PMID:024504455</ref><references group="xtra"/><references/>
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</div>
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[[Category: Bier, D.]]
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<div class="pdbe-citations 4n84" style="background-color:#fffaf0;"></div>
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[[Category: Glas, A.]]
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[[Category: Grossmann, T.]]
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==See Also==
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[[Category: Hahne, G.]]
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*[[14-3-3 protein 3D structures|14-3-3 protein 3D structures]]
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[[Category: Ottmann, C.]]
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== References ==
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[[Category: 14-3-3]]
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<references/>
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[[Category: Adaptor protein]]
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__TOC__
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[[Category: Cross-link]]
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</StructureSection>
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[[Category: Protein-protein interaction]]
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[[Category: Homo sapiens]]
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[[Category: Signaling protein]]
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[[Category: Large Structures]]
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[[Category: Pseudomonas aeruginosa]]
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[[Category: Bier D]]
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[[Category: Glas A]]
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[[Category: Grossmann T]]
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[[Category: Hahne G]]
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[[Category: Ottmann C]]

Current revision

Crystal structure of 14-3-3zeta in complex with a 12-carbon-linker cyclic peptide derived from ExoS

PDB ID 4n84

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