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[[Image:1sps.gif|left|200px]]


{{Structure
==BINDING OF A HIGH AFFINITY PHOSPHOTYROSYL PEPTIDE TO THE SRC SH2 DOMAIN: CRYSTAL STRUCTURES OF THE COMPLEXED AND PEPTIDE-FREE FORMS==
|PDB= 1sps |SIZE=350|CAPTION= <scene name='initialview01'>1sps</scene>, resolution 2.7&Aring;
<StructureSection load='1sps' size='340' side='right'caption='[[1sps]], [[Resolution|resolution]] 2.70&Aring;' scene=''>
|SITE=  
== Structural highlights ==
|LIGAND= <scene name='pdbligand=PO3:PHOSPHITE ION'>PO3</scene>
<table><tr><td colspan='2'>[[1sps]] is a 6 chain structure with sequence from [https://en.wikipedia.org/wiki/Mesocricetus_auratus_polyomavirus_1 Mesocricetus auratus polyomavirus 1] and [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=1SPS OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1SPS FirstGlance]. <br>
|ACTIVITY=  
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.7&#8491;</td></tr>
|GENE=  
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=PTR:O-PHOSPHOTYROSINE'>PTR</scene></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=1sps FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1sps OCA], [https://pdbe.org/1sps PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1sps RCSB], [https://www.ebi.ac.uk/pdbsum/1sps PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1sps ProSAT]</span></td></tr>
</table>
== Function ==
[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.
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
  <jmolCheckbox>
    <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/sp/1sps_consurf.spt"</scriptWhenChecked>
    <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview03.spt</scriptWhenUnchecked>
    <text>to colour the structure by Evolutionary Conservation</text>
  </jmolCheckbox>
</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=1sps ConSurf].
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
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.


'''BINDING OF A HIGH AFFINITY PHOSPHOTYROSYL PEPTIDE TO THE SRC SH2 DOMAIN: CRYSTAL STRUCTURES OF THE COMPLEXED AND PEPTIDE-FREE FORMS'''
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:7680960<ref>PMID:7680960</ref>


From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
<div class="pdbe-citations 1sps" style="background-color:#fffaf0;"></div>


==Overview==
==See Also==
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.
*[[Tyrosine kinase 3D structures|Tyrosine kinase 3D structures]]
 
== References ==
==About this Structure==
<references/>
1SPS is a [[Protein complex]] structure of sequences from [http://en.wikipedia.org/wiki/Hamster_polyomavirus Hamster polyomavirus] and [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=1SPS OCA].
__TOC__
 
</StructureSection>
==Reference==
[[Category: Large Structures]]
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]
[[Category: Mesocricetus auratus polyomavirus 1]]
[[Category: Hamster polyomavirus]]
[[Category: Protein complex]]
[[Category: Rous sarcoma virus]]
[[Category: Rous sarcoma virus]]
[[Category: Kuriyan, J.]]
[[Category: Kuriyan J]]
[[Category: Waksman, G.]]
[[Category: Waksman G]]
[[Category: PO3]]
[[Category: transferase(phosphotransferase)]]
 
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Retrieved from "https://proteopedia.org/1sps"