1xf1

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[[Image:1xf1.png|left|200px]]
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==Structure of C5a peptidase- a key virulence factor from Streptococcus==
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<StructureSection load='1xf1' size='340' side='right' caption='[[1xf1]], [[Resolution|resolution]] 1.90&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1xf1]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Streptococcus_pyogenes Streptococcus pyogenes]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1XF1 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1XF1 FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=ACT:ACETATE+ION'>ACT</scene>, <scene name='pdbligand=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=CIT:CITRIC+ACID'>CIT</scene><br>
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<tr><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=MSE:SELENOMETHIONINE'>MSE</scene></td></tr>
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<tr><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">scpA ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=1314 Streptococcus pyogenes])</td></tr>
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<tr><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1xf1 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1xf1 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1xf1 RCSB], [http://www.ebi.ac.uk/pdbsum/1xf1 PDBsum]</span></td></tr>
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<table>
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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/xf/1xf1_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/chain_selection.php?pdb_ID=2ata ConSurf].
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<div style="clear:both"></div>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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The structure of a cell surface enzyme from a gram-positive pathogen has been determined to 2-A resolution. Gram-positive pathogens have a thick cell wall to which proteins and carbohydrate are covalently attached. Streptococcal C5a peptidase (SCP), is a highly specific protease and adhesin/invasin. Structural analysis of a 949-residue fragment of the [D130A,S512A] mutant of SCP from group B Streptococcus (S. agalactiae, SCPB) revealed SCPB is composed of five distinct domains. The N-terminal subtilisin-like protease domain has a 134-residue protease-associated domain inserted into a loop between two beta-strands. This domain also contains one of two Arg-Gly-Asp (RGD) sequences found in SCPB. At the C terminus are three fibronectin type III (Fn) domains. The second RGD sequence is located between Fn1 and Fn2. Our analysis suggests that SCP binding to integrins by the RGD motifs may stabilize conformational changes required for substrate binding.
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{{STRUCTURE_1xf1| PDB=1xf1 | SCENE= }}
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Structure of the streptococcal cell wall C5a peptidase.,Brown CK, Gu ZY, Matsuka YV, Purushothaman SS, Winter LA, Cleary PP, Olmsted SB, Ohlendorf DH, Earhart CA Proc Natl Acad Sci U S A. 2005 Dec 20;102(51):18391-6. Epub 2005 Dec 12. PMID:16344483<ref>PMID:16344483</ref>
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===Structure of C5a peptidase- a key virulence factor from Streptococcus===
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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</div>
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{{ABSTRACT_PUBMED_16344483}}
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== References ==
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<references/>
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==About this Structure==
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__TOC__
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[[1xf1]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Streptococcus_pyogenes Streptococcus pyogenes]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1XF1 OCA].
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:016344483</ref><references group="xtra"/>
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[[Category: Streptococcus pyogenes]]
[[Category: Streptococcus pyogenes]]
[[Category: Brown, C K.]]
[[Category: Brown, C K.]]

Revision as of 19:58, 29 September 2014

Structure of C5a peptidase- a key virulence factor from Streptococcus

1xf1, resolution 1.90Å

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