6ch3: Difference between revisions

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<StructureSection load='6ch3' size='340' side='right'caption='[[6ch3]], [[Resolution|resolution]] 2.68&Aring;' scene=''>
<StructureSection load='6ch3' size='340' side='right'caption='[[6ch3]], [[Resolution|resolution]] 2.68&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[6ch3]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Salty Salty]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=6CH3 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=6CH3 FirstGlance]. <br>
<table><tr><td colspan='2'>[[6ch3]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Salmonella_enterica_subsp._enterica_serovar_Typhi Salmonella enterica subsp. enterica serovar Typhi] and [https://en.wikipedia.org/wiki/Salmonella_enterica_subsp._enterica_serovar_Typhimurium_str._LT2 Salmonella enterica subsp. enterica serovar Typhimurium str. LT2]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=6CH3 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=6CH3 FirstGlance]. <br>
</td></tr><tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">flhA, STM1913 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=99287 SALTY]), fliC, flaF, hag, STM1959 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=99287 SALTY])</td></tr>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.68&#8491;</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=6ch3 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6ch3 OCA], [http://pdbe.org/6ch3 PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=6ch3 RCSB], [http://www.ebi.ac.uk/pdbsum/6ch3 PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=6ch3 ProSAT]</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=6ch3 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6ch3 OCA], [https://pdbe.org/6ch3 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=6ch3 RCSB], [https://www.ebi.ac.uk/pdbsum/6ch3 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=6ch3 ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
[[http://www.uniprot.org/uniprot/FLHA_SALTY FLHA_SALTY]] Required for formation of the rod structure of the flagellar apparatus. Together with FliI and FliH, may constitute the export apparatus of flagellin.  
[https://www.uniprot.org/uniprot/FLHA_SALTY FLHA_SALTY] Required for formation of the rod structure of the flagellar apparatus. Together with FliI and FliH, may constitute the export apparatus of flagellin.
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
The flagellum and the injectisome enable bacterial locomotion and pathogenesis, respectively. These nanomachines assemble and function using a type III secretion system (T3SS). Exported proteins are delivered to the export apparatus by dedicated cytoplasmic chaperones for their transport through the membrane. The structural and mechanistic basis of this process is poorly understood. Here we report the structures of two ternary complexes among flagellar chaperones (FliT and FliS), protein substrates (the filament-capping FliD and flagellin FliC), and the export gate platform protein FlhA. The substrates do not interact directly with FlhA; however, they are required to induce a binding-competent conformation to the chaperone that exposes the recognition motif featuring a highly conserved sequence recognized by FlhA. The structural data reveal the recognition signal in a class of T3SS proteins and provide new insight into the assembly of key protein complexes at the export gate.
 
Structures of chaperone-substrate complexes docked onto the export gate in a type III secretion system.,Xing Q, Shi K, Portaliou A, Rossi P, Economou A, Kalodimos CG Nat Commun. 2018 May 2;9(1):1773. doi: 10.1038/s41467-018-04137-4. PMID:29720631<ref>PMID:29720631</ref>
 
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
<div class="pdbe-citations 6ch3" style="background-color:#fffaf0;"></div>


==See Also==
==See Also==
*[[Flagellar protein 3D structures|Flagellar protein 3D structures]]
*[[Flagellar protein 3D structures|Flagellar protein 3D structures]]
== References ==
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Large Structures]]
[[Category: Large Structures]]
[[Category: Salty]]
[[Category: Salmonella enterica subsp. enterica serovar Typhi]]
[[Category: Kalodimos, C G]]
[[Category: Salmonella enterica subsp. enterica serovar Typhimurium str. LT2]]
[[Category: Shi, K]]
[[Category: Kalodimos CG]]
[[Category: Xing, Q]]
[[Category: Shi K]]
[[Category: Flagellar]]
[[Category: Xing Q]]
[[Category: Structural protein]]

Latest revision as of 14:28, 13 March 2024

Crystal structure of the cytoplasmic domain of FlhA and FliS-FliC complex

6ch3, resolution 2.68Å

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