2lcs

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==Yeast Nbp2p SH3 domain in complex with a peptide from Ste20p==
==Yeast Nbp2p SH3 domain in complex with a peptide from Ste20p==
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<StructureSection load='2lcs' size='340' side='right' caption='[[2lcs]], [[NMR_Ensembles_of_Models | 20 NMR models]]' scene=''>
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<StructureSection load='2lcs' size='340' side='right'caption='[[2lcs]]' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[2lcs]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Saccharomyces_cerevisiae Saccharomyces cerevisiae]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2LCS OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2LCS FirstGlance]. <br>
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<table><tr><td colspan='2'>[[2lcs]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Saccharomyces_cerevisiae_S288C Saccharomyces cerevisiae S288C]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2LCS OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2LCS FirstGlance]. <br>
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</td></tr><tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">NBP2, YDR162C ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=4932 Saccharomyces cerevisiae])</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">Solution NMR</td></tr>
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<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Non-specific_serine/threonine_protein_kinase Non-specific serine/threonine protein kinase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.7.11.1 2.7.11.1] </span></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=2lcs FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2lcs OCA], [https://pdbe.org/2lcs PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2lcs RCSB], [https://www.ebi.ac.uk/pdbsum/2lcs PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2lcs ProSAT]</span></td></tr>
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<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=2lcs FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2lcs OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2lcs RCSB], [http://www.ebi.ac.uk/pdbsum/2lcs PDBsum]</span></td></tr>
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</table>
</table>
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<div style="background-color:#fffaf0;">
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== Function ==
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== Publication Abstract from PubMed ==
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[https://www.uniprot.org/uniprot/NBP2_YEAST NBP2_YEAST] Negatively regulates the high-osmolarity glycerol (HOG) pathway through its negative regulation of the HOG1 kinase activity. Mediates the binding between the PTC1 phosphatase and the PBS2 MAP/ERK kinase (MEK). With PTC1, regulates endoplasmic reticulum inheritance through the cell wall integrity (CWI) MAPK pathway by modulating the MAPK, SLT2.<ref>PMID:14573466</ref> <ref>PMID:14685261</ref> <ref>PMID:16977319</ref>
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The yeast Nbp2p SH3 and Bem1p SH3b domains bind certain target peptides with similar high affinities, yet display vastly different affinities for other targets. To investigate this unusual behavior, we have solved the structure of the Nbp2p SH3-Ste20 peptide complex and compared it with the previously determined structure of the Bem1p SH3b bound to the same peptide. Although the Ste20 peptide interacts with both domains in a structurally similar manner, extensive in vitro studies with domain and peptide mutants revealed large variations in interaction strength across the binding interface of the two complexes. Whereas the Nbp2p SH3 made stronger contacts with the peptide core RXXPXXP motif, the Bem1p SH3b domain made stronger contacts with residues flanking the core motif. Remarkably, this modulation of local binding energetics can explain the distinct and highly nuanced binding specificities of these two domains.
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Distinct Peptide Binding Specificities of Src Homology 3 (SH3) Protein Domains Can Be Determined by Modulation of Local Energetics across the Binding Interface.,Gorelik M, Davidson AR J Biol Chem. 2012 Mar 16;287(12):9168-77. Epub 2012 Jan 25. PMID:22277653<ref>PMID:22277653</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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== References ==
== References ==
<references/>
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Non-specific serine/threonine protein kinase]]
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[[Category: Large Structures]]
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[[Category: Saccharomyces cerevisiae]]
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[[Category: Saccharomyces cerevisiae S288C]]
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[[Category: Davidson, A R]]
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[[Category: Davidson AR]]
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[[Category: Gorelik, M]]
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[[Category: Gorelik M]]
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[[Category: Adaptor]]
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[[Category: Signaling protein]]
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[[Category: Transferase]]
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Current revision

Yeast Nbp2p SH3 domain in complex with a peptide from Ste20p

PDB ID 2lcs

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