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==NMR Structure of Type IVb pilin (PilS) from Salmonella typhi==
==NMR Structure of Type IVb pilin (PilS) from Salmonella typhi==
<StructureSection load='1q5f' size='340' side='right' caption='[[1q5f]], [[NMR_Ensembles_of_Models | 10 NMR models]]' scene=''>
<StructureSection load='1q5f' size='340' side='right'caption='[[1q5f]]' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[1q5f]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Salmonella_enterica_subsp._enterica_serovar_typhi Salmonella enterica subsp. enterica serovar typhi]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1Q5F OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1Q5F FirstGlance]. <br>
<table><tr><td colspan='2'>[[1q5f]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Salmonella_enterica_subsp._enterica_serovar_Typhi Salmonella enterica subsp. enterica serovar Typhi]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1Q5F OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1Q5F FirstGlance]. <br>
</td></tr><tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">PilS ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=90370 Salmonella enterica subsp. enterica serovar Typhi])</td></tr>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Solution NMR</td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1q5f FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1q5f OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1q5f RCSB], [http://www.ebi.ac.uk/pdbsum/1q5f PDBsum]</span></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=1q5f FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1q5f OCA], [https://pdbe.org/1q5f PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1q5f RCSB], [https://www.ebi.ac.uk/pdbsum/1q5f PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1q5f ProSAT]</span></td></tr>
</table>
</table>
== Function ==
[https://www.uniprot.org/uniprot/Q9ZIU9_SALTI Q9ZIU9_SALTI]
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
Check<jmol>
   <jmolCheckbox>
   <jmolCheckbox>
     <scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/q5/1q5f_consurf.spt"</scriptWhenChecked>
     <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/q5/1q5f_consurf.spt"</scriptWhenChecked>
     <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
     <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
     <text>to colour the structure by Evolutionary Conservation</text>
     <text>to colour the structure by Evolutionary Conservation</text>
   </jmolCheckbox>
   </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/chain_selection.php?pdb_ID=2ata ConSurf].
</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=1q5f ConSurf].
<div style="clear:both"></div>
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
The structure of the N-terminal-truncated Type IVb structural pilin (t-PilS) from Salmonella typhi was determined by NMR. Although topologically similar to the recently determined x-ray structure of pilin from Vibrio cholerae toxin-coregulated pilus, the only Type IVb pilin with known structure, t-PilS contains many distinct structural features. The protein contains an extra pair of beta-strands in the N-terminal alphabeta loop that align with the major beta-strands to form a continuous 7-stranded antiparallel beta-sheet. The C-terminal disulfide-bonded region of t-PilS is only half the length of that of toxin-coregulated pilus pilin. A model of S. typhi pilus has been proposed and mutagenesis studies suggested that residues on both the alphabeta loop and the C-terminal disulfide-bonded region of PilS might be involved in binding specificity of the pilus. This model structure reveals an exposed surface between adjacent subunits of PilS that could be a potential binding site for the cystic fibrosis transmembrane conductance regulator.
NMR structure of a type IVb pilin from Salmonella typhi and its assembly into pilus.,Xu XF, Tan YW, Lam L, Hackett J, Zhang M, Mok YK J Biol Chem. 2004 Jul 23;279(30):31599-605. Epub 2004 May 24. PMID:15159389<ref>PMID:15159389</ref>
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>


==See Also==
==See Also==
*[[Pilin|Pilin]]
*[[Pilin 3D structures|Pilin 3D structures]]
== References ==
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Salmonella enterica subsp. enterica serovar typhi]]
[[Category: Large Structures]]
[[Category: Hackett, J]]
[[Category: Salmonella enterica subsp. enterica serovar Typhi]]
[[Category: Mok, Y K]]
[[Category: Hackett J]]
[[Category: Tan, Y W]]
[[Category: Mok YK]]
[[Category: Xu, X F]]
[[Category: Tan YW]]
[[Category: Zhang, M]]
[[Category: Xu XF]]
[[Category: Alpha-beta roll]]
[[Category: Zhang M]]
[[Category: Cell adhesion]]
[[Category: Monomer]]
[[Category: Type ivb pilin]]
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