1xxp: Difference between revisions

From Proteopedia
Jump to navigationJump to search
← Older edit
OCA (talk | contribs)
Bots, Bureaucrats, journal, Administrators
3,332,843 edits
No edit summary
OCA (talk | contribs)
Bots, Bureaucrats, journal, Administrators
3,332,843 edits
No edit summary
 
(14 intermediate revisions by the same user not shown)
Line 1: Line 1:
[[Image:1xxp.gif|left|200px]]
<!--
The line below this paragraph, containing "STRUCTURE_1xxp", creates the "Structure Box" on the page.
You may change the PDB parameter (which sets the PDB file loaded into the applet)
or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
or leave the SCENE parameter empty for the default display.
-->
{{STRUCTURE_1xxp|  PDB=1xxp  |  SCENE=  }}
'''Yersinia YopH (residues 163-468) C403S binds phosphotyrosyl peptide at two sites'''


==Yersinia YopH (residues 163-468) C403S binds phosphotyrosyl peptide at two sites==
<StructureSection load='1xxp' size='340' side='right'caption='[[1xxp]], [[Resolution|resolution]] 3.00&Aring;' scene=''>
== Structural highlights ==
<table><tr><td colspan='2'>[[1xxp]] is a 6 chain structure with sequence from [https://en.wikipedia.org/wiki/Yersinia_enterocolitica Yersinia enterocolitica]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1XXP OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1XXP FirstGlance]. <br>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 3&#8491;</td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=ACE:ACETYL+GROUP'>ACE</scene>, <scene name='pdbligand=NH2:AMINO+GROUP'>NH2</scene>, <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=1xxp FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1xxp OCA], [https://pdbe.org/1xxp PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1xxp RCSB], [https://www.ebi.ac.uk/pdbsum/1xxp PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1xxp ProSAT]</span></td></tr>
</table>
== Function ==
[https://www.uniprot.org/uniprot/YOPH_YEREN YOPH_YEREN] Essential virulence determinant. This protein is a protein tyrosine phosphatase. The essential function of YopH in Yersinia pathogenesis is host-protein dephosphorylation. It contributes to the ability of the bacteria to resist phagocytosis by peritoneal macrophages.
== 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/xx/1xxp_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=1xxp ConSurf].
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
YopH is a protein tyrosine phosphatase and an essential virulence determinant of the pathogenic bacterium Yersinia. Yersinia delivers YopH into infected host cells using a type III secretion mechanism. YopH dephosphorylates several focal adhesion proteins including p130Cas in human epithelial cells, resulting in disruption of focal adhesions and cell detachment from the extracellular matrix. How the C-terminal protein tyrosine phosphatase domain of YopH targets specific substrates such as p130Cas in the complex milieu of the host cell has not been fully elucidated. An N-terminal non-catalytic domain of YopH binds p130Cas in a phosphotyrosine-dependent manner and functions as a novel substrate-targeting site. The structure of the YopH protein tyrosine phosphatase domain bound to a model phosphopeptide substrate was solved and the resulting structure revealed a second substrate-targeting site ('site 2') within the catalytic domain. Site 2 binds to p130Cas in a phosphotyrosine-dependent manner, and co-operates with the N-terminal domain ('site 1') to promote efficient recognition of p130Cas by YopH in epithelial cells. The identification of two substrate-targeting sites in YopH that co-operate to promote epithelial cell detachment and bacterial virulence reinforces the importance of protein-protein interactions for determining protein tyrosine phosphatase specificity in vivo, and highlights the sophisticated nature of microbial pathogenicity factors.


==Overview==
Two substrate-targeting sites in the Yersinia protein tyrosine phosphatase co-operate to promote bacterial virulence.,Ivanov MI, Stuckey JA, Schubert HL, Saper MA, Bliska JB Mol Microbiol. 2005 Mar;55(5):1346-56. PMID:15720545<ref>PMID:15720545</ref>
YopH is a protein tyrosine phosphatase and an essential virulence determinant of the pathogenic bacterium Yersinia. Yersinia delivers YopH into infected host cells using a type III secretion mechanism. YopH dephosphorylates several focal adhesion proteins including p130Cas in human epithelial cells, resulting in disruption of focal adhesions and cell detachment from the extracellular matrix. How the C-terminal protein tyrosine phosphatase domain of YopH targets specific substrates such as p130Cas in the complex milieu of the host cell has not been fully elucidated. An N-terminal non-catalytic domain of YopH binds p130Cas in a phosphotyrosine-dependent manner and functions as a novel substrate-targeting site. The structure of the YopH protein tyrosine phosphatase domain bound to a model phosphopeptide substrate was solved and the resulting structure revealed a second substrate-targeting site ('site 2') within the catalytic domain. Site 2 binds to p130Cas in a phosphotyrosine-dependent manner, and co-operates with the N-terminal domain ('site 1') to promote efficient recognition of p130Cas by YopH in epithelial cells. The identification of two substrate-targeting sites in YopH that co-operate to promote epithelial cell detachment and bacterial virulence reinforces the importance of protein-protein interactions for determining protein tyrosine phosphatase specificity in vivo, and highlights the sophisticated nature of microbial pathogenicity factors.


==About this Structure==
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
1XXP is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Yersinia_enterocolitica Yersinia enterocolitica]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1XXP OCA].
</div>
<div class="pdbe-citations 1xxp" style="background-color:#fffaf0;"></div>


==Reference==
==See Also==
Two substrate-targeting sites in the Yersinia protein tyrosine phosphatase co-operate to promote bacterial virulence., Ivanov MI, Stuckey JA, Schubert HL, Saper MA, Bliska JB, Mol Microbiol. 2005 Mar;55(5):1346-56. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/15720545 15720545]
*[[Tyrosine phosphatase 3D structures|Tyrosine phosphatase 3D structures]]
[[Category: Protein-tyrosine-phosphatase]]
== References ==
[[Category: Single protein]]
<references/>
__TOC__
</StructureSection>
[[Category: Large Structures]]
[[Category: Yersinia enterocolitica]]
[[Category: Yersinia enterocolitica]]
[[Category: Bliska, J B.]]
[[Category: Bliska JB]]
[[Category: Ivanov, M I.]]
[[Category: Ivanov MI]]
[[Category: Saper, M A.]]
[[Category: Saper MA]]
[[Category: Schubert, H L.]]
[[Category: Schubert HL]]
[[Category: Stuckey, J A.]]
[[Category: Stuckey JA]]
[[Category: Peptide binds at site remote from catalytic site. important for protein localization in infected cell.]]
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May  3 15:38:21 2008''
Retrieved from "https://proteopedia.org/1xxp"