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==SOLUTION STRUCTURE AND LIGAND-BINDING SITE OF THE SH3 DOMAIN OF THE P85ALPHA SUBUNIT OF PHOSPHATIDYLINOSITOL 3-KINASE==
==SOLUTION STRUCTURE AND LIGAND-BINDING SITE OF THE SH3 DOMAIN OF THE P85ALPHA SUBUNIT OF PHOSPHATIDYLINOSITOL 3-KINASE==
<StructureSection load='2pni' size='340' side='right'caption='[[2pni]], [[NMR_Ensembles_of_Models | 26 NMR models]]' scene=''>
<StructureSection load='2pni' size='340' side='right'caption='[[2pni]]' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[2pni]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Bovin Bovin]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2PNI OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2PNI FirstGlance]. <br>
<table><tr><td colspan='2'>[[2pni]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Bos_taurus Bos taurus]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2PNI OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2PNI FirstGlance]. <br>
</td></tr><tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat"><div style='overflow: auto; max-height: 3em;'>[[1pnj|1pnj]]</div></td></tr>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Solution NMR</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=2pni FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2pni OCA], [https://pdbe.org/2pni PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2pni RCSB], [https://www.ebi.ac.uk/pdbsum/2pni PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2pni 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=2pni FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2pni OCA], [https://pdbe.org/2pni PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2pni RCSB], [https://www.ebi.ac.uk/pdbsum/2pni PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2pni ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
[[https://www.uniprot.org/uniprot/P85A_BOVIN P85A_BOVIN]] Binds to activated (phosphorylated) protein-Tyr kinases, through its SH2 domain, and acts as an adapter, mediating the association of the p110 catalytic unit to the plasma membrane. Necessary for the insulin-stimulated increase in glucose uptake and glycogen synthesis in insulin-sensitive tissues. Plays an important role in signaling in response to FGFR1, FGFR2, FGFR3, FGFR4, KITLG/SCF, KIT, PDGFRA and PDGFRB. Likewise, plays a role in ITGB2 signaling (By similarity).  
[https://www.uniprot.org/uniprot/P85A_BOVIN P85A_BOVIN] Binds to activated (phosphorylated) protein-Tyr kinases, through its SH2 domain, and acts as an adapter, mediating the association of the p110 catalytic unit to the plasma membrane. Necessary for the insulin-stimulated increase in glucose uptake and glycogen synthesis in insulin-sensitive tissues. Plays an important role in signaling in response to FGFR1, FGFR2, FGFR3, FGFR4, KITLG/SCF, KIT, PDGFRA and PDGFRB. Likewise, plays a role in ITGB2 signaling (By similarity).
== 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=2pni 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=2pni ConSurf].
<div style="clear:both"></div>
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
SH3 domains are found in proteins associated with receptor tyrosine kinase signal transduction complexes. The solution structure of the SH3 domain of the 85 kd regulatory subunit of phosphatidylinositol 3-kinase is shown to be a compact beta barrel consisting of five beta strands arranged in two beta sheets of three and two strands. The structure is similar to that of chicken brain alpha spectrin but represents a distinct class of SH3 domain, with an insertion between the second and third beta strands that may influence binding specificity. 1H chemical shift changes induced by complex formation with a synthetic peptide derived from the SH3-binding protein dynamin, together with amino acid sequence comparisons, suggest that the ligand-binding site consists of a hydrophobic surface flanked by two charged loops.
Solution structure and ligand-binding site of the SH3 domain of the p85 alpha subunit of phosphatidylinositol 3-kinase.,Booker GW, Gout I, Downing AK, Driscoll PC, Boyd J, Waterfield MD, Campbell ID Cell. 1993 May 21;73(4):813-22. PMID:7684655<ref>PMID:7684655</ref>
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
<div class="pdbe-citations 2pni" style="background-color:#fffaf0;"></div>


==See Also==
==See Also==
*[[Phosphoinositide 3-kinase 3D structures|Phosphoinositide 3-kinase 3D structures]]
*[[Phosphoinositide 3-kinase 3D structures|Phosphoinositide 3-kinase 3D structures]]
== References ==
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Bovin]]
[[Category: Bos taurus]]
[[Category: Large Structures]]
[[Category: Large Structures]]
[[Category: Booker, G W]]
[[Category: Booker GW]]
[[Category: Boyd, J]]
[[Category: Boyd J]]
[[Category: Campbell, I D]]
[[Category: Campbell ID]]
[[Category: Downing, A K]]
[[Category: Downing AK]]
[[Category: Driscoll, P C]]
[[Category: Driscoll PC]]
[[Category: Gout, I]]
[[Category: Gout I]]
[[Category: Waterfield, M D]]
[[Category: Waterfield MD]]
[[Category: Phosphotransferase]]

Latest revision as of 07:05, 1 May 2024

SOLUTION STRUCTURE AND LIGAND-BINDING SITE OF THE SH3 DOMAIN OF THE P85ALPHA SUBUNIT OF PHOSPHATIDYLINOSITOL 3-KINASE

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