3s0h

<StructureSection load='3s0h' size='340' side='right' caption='[[3s0h]], [[Resolution|resolution]] 2.10&Aring;' scene=''>

<table><tr><td colspan='2'>[[3s0h]] is a 4 chain structure with sequence from [http://en.wikipedia.org/wiki/Helicobacter_pylori Helicobacter pylori]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3S0H OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3S0H FirstGlance]. <br>

</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene><br>

<tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[3s02|3s02]], [[3s03|3s03]], [[3s06|3s06]], [[3s0w|3s0w]], [[3s0y|3s0y]]</td></tr>

<tr><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">motB, HP_0816 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=210 Helicobacter pylori])</td></tr>

<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=3s0h FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3s0h OCA], [http://www.rcsb.org/pdb/explore.do?structureId=3s0h RCSB], [http://www.ebi.ac.uk/pdbsum/3s0h PDBsum]</span></td></tr>

<table>

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== Publication Abstract from PubMed ==

Bacterial flagella are driven by an ion influx through the peptidoglycan (PG)-tethered MotA/MotB stator. Stator precomplexes assemble in the membrane and remain inactive until they incorporate into the motor, upon which MotA/MotB changes conformation. The nature of this change and the mechanism of inhibition of the PG-binding and ion-conducting activities of the precomplexes are unknown. Here, the structural analysis of a series of N-terminally truncated MotB fragments is presented, the mechanism of inhibition by the linker is identified and the structural basis for the formation of the PG-binding-competent open-channel MotA/MotB conformation via a mechanism that entails linker unfolding and rotational displacement of MotB transmembrane helices is uncovered.

 

Role of the MotB linker in the assembly and activation of the bacterial flagellar motor.,O'Neill J, Xie M, Hijnen M, Roujeinikova A Acta Crystallogr D Biol Crystallogr. 2011 Dec;67(Pt 12):1009-16. Epub 2011 Nov 5. PMID:22120737<ref>PMID:22120737</ref>

 

*[[Chemotaxis protein|Chemotaxis protein]]

[[Category: Roujeinikova, A R.]]

[[Category: Bacterial flagellar motor]]

[[Category: Peptidoglycan binding]]