3fn7: Difference between revisions

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[[Image:3fn7.png|left|200px]]


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==Crystal structure of sortase A (Spy1154) from Streptococcus pyogenes serotype M1 strain SF370==
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<StructureSection load='3fn7' size='340' side='right'caption='[[3fn7]], [[Resolution|resolution]] 1.75&Aring;' scene=''>
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== Structural highlights ==
or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
<table><tr><td colspan='2'>[[3fn7]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Streptococcus_pyogenes_serotype_M1 Streptococcus pyogenes serotype M1]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3FN7 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3FN7 FirstGlance]. <br>
or leave the SCENE parameter empty for the default display.
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.75&#8491;</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=3fn7 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3fn7 OCA], [https://pdbe.org/3fn7 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3fn7 RCSB], [https://www.ebi.ac.uk/pdbsum/3fn7 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3fn7 ProSAT]</span></td></tr>
{{STRUCTURE_3fn7|  PDB=3fn7  |  SCENE=  }}
</table>
== Function ==
[https://www.uniprot.org/uniprot/Q99ZN4_STRP1 Q99ZN4_STRP1]
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
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    <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/fn/3fn7_consurf.spt"</scriptWhenChecked>
    <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.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=3fn7 ConSurf].
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== Publication Abstract from PubMed ==
Sortases are a family of Gram-positive bacterial transpeptidases that anchor secreted proteins to bacterial cell surfaces. These include many proteins that play critical roles in the virulence of Gram-positive bacterial pathogens such that sortases are attractive targets for development of novel antimicrobial agents. All Gram-positive pathogens express a "housekeeping" sortase that recognizes the majority of secreted proteins containing an LPXTG wall-sorting motif and covalently attaches these to bacterial cell wall peptidoglycan. Many Gram-positive pathogens also express additional sortases that link a small number of proteins, often with variant wall-sorting motifs, to either other surface proteins or peptidoglycan. To better understand the mechanisms of catalysis and substrate recognition by the housekeeping sortase produced by the important human pathogen Streptococcus pyogenes, the crystal structure of this protein has been solved and its transpeptidase activity established in vitro. The structure reveals a novel arrangement of key catalytic residues in the active site of a sortase, the first that is consistent with kinetic analysis. The structure also provides a complete description of residue positions surrounding the active site, overcoming the limitation of localized disorder in previous structures of sortase A-type proteins. Modification of the active site Cys through oxidation to its sulfenic acid form or by an alkylating reagent supports a role for a reactive thiol/thiolate in the catalytic mechanism. These new insights into sortase structure and function could have important consequences for inhibitor design.


===Crystal structure of sortase A (Spy1154) from Streptococcus pyogenes serotype M1 strain SF370===
Crystal structure of Streptococcus pyogenes sortase A: implications for sortase mechanism.,Race PR, Bentley ML, Melvin JA, Crow A, Hughes RK, Smith WD, Sessions RB, Kehoe MA, McCafferty DG, Banfield MJ J Biol Chem. 2009 Mar 13;284(11):6924-33. Epub 2009 Jan 6. PMID:19129180<ref>PMID:19129180</ref>


 
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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(as it appears on PubMed at http://www.pubmed.gov), where 19129180 is the PubMed ID number.
== References ==
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<references/>
{{ABSTRACT_PUBMED_19129180}}
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</StructureSection>
==About this Structure==
[[Category: Large Structures]]
3FN7 is a 1 chain structure of sequence from [http://en.wikipedia.org/wiki/Streptococcus_pyogenes_serotype_m1 Streptococcus pyogenes serotype m1]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3FN7 OCA].
[[Category: Streptococcus pyogenes serotype M1]]
 
[[Category: Banfield MJ]]
==Reference==
<ref group="xtra">PMID:19129180</ref><references group="xtra"/>
[[Category: Streptococcus pyogenes serotype m1]]
[[Category: Banfield, M J.]]
[[Category: Hydrolase]]
[[Category: Sortase-fold]]
 
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