1pkt

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[[Image:1pkt.gif|left|200px]]
 
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==STRUCTURE OF THE PI3K SH3 DOMAIN AND ANALYSIS OF THE SH3 FAMILY==
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The line below this paragraph, containing "STRUCTURE_1pkt", creates the "Structure Box" on the page.
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<StructureSection load='1pkt' size='340' side='right'caption='[[1pkt]]' scene=''>
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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== Structural highlights ==
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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<table><tr><td colspan='2'>[[1pkt]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1PKT OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1PKT FirstGlance]. <br>
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or leave the SCENE parameter empty for the default display.
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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='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1pkt FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1pkt OCA], [https://pdbe.org/1pkt PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1pkt RCSB], [https://www.ebi.ac.uk/pdbsum/1pkt PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1pkt ProSAT]</span></td></tr>
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{{STRUCTURE_1pkt| PDB=1pkt | SCENE= }}
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/P85A_HUMAN P85A_HUMAN] 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.<ref>PMID:7518429</ref> <ref>PMID:17626883</ref> <ref>PMID:19805105</ref>
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== Evolutionary Conservation ==
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[[Image:Consurf_key_small.gif|200px|right]]
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Check<jmol>
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<jmolCheckbox>
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/pk/1pkt_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
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<text>to colour the structure by Evolutionary Conservation</text>
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</jmolCheckbox>
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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=1pkt ConSurf].
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<div style="clear:both"></div>
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'''STRUCTURE OF THE PI3K SH3 DOMAIN AND ANALYSIS OF THE SH3 FAMILY'''
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==See Also==
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*[[Phosphoinositide 3-kinase 3D structures|Phosphoinositide 3-kinase 3D structures]]
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== References ==
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==Overview==
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<references/>
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Src homology 3 (SH3) domains, which are found in many proteins involved in intracellular signal transduction, mediate specific protein-protein interactions. The three-dimensional structure of the SH3 domain in the p85 subunit of the phosphatidylinositol 3-kinase (PI3K) has been determined by multidimensional NMR methods. The molecule consists of four short helices, two beta turns, and two antiparallel beta sheets. The beta sheets are highly similar to corresponding regions in the SH3 domain of the tyrosine kinase Src, even though the sequence identity of the two domains is low. There is a unique 15 amino acid insert in PI3K that contains three short helices. There are substantial differences in the identity of the amino acids that make up the receptor site of SH3 domains. The results suggest that while the overall structures of the binding sites in the PI3K and Src SH3 domains are similar, their ligand binding properties may differ.
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__TOC__
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</StructureSection>
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==About this Structure==
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1PKT is a [[Single protein]] structure of sequence 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=1PKT OCA].
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==Reference==
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Structure of the PI3K SH3 domain and analysis of the SH3 family., Koyama S, Yu H, Dalgarno DC, Shin TB, Zydowsky LD, Schreiber SL, Cell. 1993 Mar 26;72(6):945-52. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/7681364 7681364]
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[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Phosphatidylinositol 3-kinase]]
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[[Category: Large Structures]]
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[[Category: Single protein]]
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[[Category: Dalgarno DC]]
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[[Category: Dalgarno, D C.]]
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[[Category: Koyama S]]
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[[Category: Koyama, S.]]
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[[Category: Schreiber SL]]
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[[Category: Schreiber, S L.]]
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[[Category: Shin TB]]
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[[Category: Shin, T B.]]
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[[Category: Yu H]]
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[[Category: Yu, H.]]
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[[Category: Zydowsky LD]]
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[[Category: Zydowsky, L D.]]
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[[Category: Phosphotransferase]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 05:11:57 2008''
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Current revision

STRUCTURE OF THE PI3K SH3 DOMAIN AND ANALYSIS OF THE SH3 FAMILY

PDB ID 1pkt

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