1spr

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[[Image:1spr.gif|left|200px]]
 
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{{Structure
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==BINDING OF A HIGH AFFINITY PHOSPHOTYROSYL PEPTIDE TO THE SRC SH2 DOMAIN: CRYSTAL STRUCTURES OF THE COMPLEXED AND PEPTIDE-FREE FORMS==
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|PDB= 1spr |SIZE=350|CAPTION= <scene name='initialview01'>1spr</scene>, resolution 2.5&Aring;
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<StructureSection load='1spr' size='340' side='right'caption='[[1spr]], [[Resolution|resolution]] 2.50&Aring;' scene=''>
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|SITE=
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== Structural highlights ==
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|LIGAND= <scene name='pdbligand=PO4:PHOSPHATE+ION'>PO4</scene>
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<table><tr><td colspan='2'>[[1spr]] is a 4 chain structure with sequence from [https://en.wikipedia.org/wiki/Rous_sarcoma_virus Rous sarcoma virus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1SPR OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1SPR FirstGlance]. <br>
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|ACTIVITY=
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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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|GENE=
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=PO4:PHOSPHATE+ION'>PO4</scene></td></tr>
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|DOMAIN=
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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=1spr FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1spr OCA], [https://pdbe.org/1spr PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1spr RCSB], [https://www.ebi.ac.uk/pdbsum/1spr PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1spr ProSAT]</span></td></tr>
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|RELATEDENTRY=
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</table>
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1spr FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1spr OCA], [http://www.ebi.ac.uk/pdbsum/1spr PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=1spr RCSB]</span>
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== Function ==
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}}
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[https://www.uniprot.org/uniprot/SRC_RSVSA SRC_RSVSA] This phosphoprotein, required for both the initiation and the maintenance of neoplastic transformation, is a protein kinase that catalyzes the phosphorylation of tyrosine residues in vitro.
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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/sp/1spr_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=1spr ConSurf].
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<div style="clear:both"></div>
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'''BINDING OF A HIGH AFFINITY PHOSPHOTYROSYL PEPTIDE TO THE SRC SH2 DOMAIN: CRYSTAL STRUCTURES OF THE COMPLEXED AND PEPTIDE-FREE FORMS'''
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==See Also==
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*[[Tyrosine kinase 3D structures|Tyrosine kinase 3D structures]]
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__TOC__
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==Overview==
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</StructureSection>
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The crystal structure of the Src SH2 domain complexed with a high affinity 11-residue phosphopeptide has been determined at 2.7 A resolution by X-ray diffraction. The peptide binds in an extended conformation and makes primary interactions with the SH2 domain at six central residues: PQ(pY)EEI. The phosphotyrosine and the isoleucine are tightly bound by two well-defined pockets on the protein surface, resulting in a complex that resembles a two-pronged plug engaging a two-holed socket. The glutamate residues are in solvent-exposed environments in the vicinity of basic side chains of the SH2 domain, and the two N-terminal residues cap the phosphotyrosine-binding site. The crystal structure of Src SH2 in the absence of peptide has been determined at 2.5 A resolution, and comparison with the structure of the high affinity complex reveals only localized and relatively small changes.
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[[Category: Large Structures]]
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==About this Structure==
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1SPR is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Rous_sarcoma_virus Rous sarcoma virus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1SPR OCA].
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==Reference==
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Binding of a high affinity phosphotyrosyl peptide to the Src SH2 domain: crystal structures of the complexed and peptide-free forms., Waksman G, Shoelson SE, Pant N, Cowburn D, Kuriyan J, Cell. 1993 Mar 12;72(5):779-90. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/7680960 7680960]
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[[Category: Rous sarcoma virus]]
[[Category: Rous sarcoma virus]]
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[[Category: Single protein]]
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[[Category: Kuriyan J]]
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[[Category: Kuriyan, J.]]
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[[Category: Waksman G]]
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[[Category: Waksman, G.]]
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[[Category: transferase(phosphotransferase)]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Mar 30 23:45:19 2008''
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Current revision

BINDING OF A HIGH AFFINITY PHOSPHOTYROSYL PEPTIDE TO THE SRC SH2 DOMAIN: CRYSTAL STRUCTURES OF THE COMPLEXED AND PEPTIDE-FREE FORMS

PDB ID 1spr

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