3j4s

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{{STRUCTURE_3j4s| PDB=3j4s | SCENE= }}
 
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===Helical Model of TubZ-Bt four-stranded filament===
 
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==About this Structure==
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==Helical Model of TubZ-Bt four-stranded filament==
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[[3j4s]] is a 1 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3J4S OCA].
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<SX load='3j4s' size='340' side='right' viewer='molstar' caption='[[3j4s]], [[Resolution|resolution]] 6.80&Aring;' scene=''>
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[[Category: Agard, D A.]]
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== Structural highlights ==
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[[Category: Montabana, E A.]]
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<table><tr><td colspan='2'>[[3j4s]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Bacillus_thuringiensis_serovar_israelensis Bacillus thuringiensis serovar israelensis]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3J4S OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3J4S FirstGlance]. <br>
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[[Category: Ftsz-like]]
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Electron Microscopy, [[Resolution|Resolution]] 6.8&#8491;</td></tr>
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[[Category: Gtpase]]
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=GDP:GUANOSINE-5-DIPHOSPHATE'>GDP</scene></td></tr>
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[[Category: Structural protein]]
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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=3j4s FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3j4s OCA], [https://pdbe.org/3j4s PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3j4s RCSB], [https://www.ebi.ac.uk/pdbsum/3j4s PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3j4s ProSAT]</span></td></tr>
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[[Category: Tubulin-like]]
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/TUBZ_BACTI TUBZ_BACTI] A tubulin-like, filament forming GTPase; the motor component of the type III plasmid partition system which ensures correct segregation of the pBtoxis plasmid. Filaments may seed from the centromere-like site (tubC) when bound by DNA-binding protein TubR; the tubC-TubR complex stabilizes the TubZ filament. Filaments grow at the plus end and depolymerize at the minus end, a process called treadmilling. TubR-tubC complexes track the depolymerizing minus end of the filament, probably pulling plasmid within the cell (PubMed:20534443, PubMed:23010931, PubMed:25825718). Required for pBtoxis plasmid replication/partition (PubMed:16936050, PubMed:17873046). Binds the TubR-tubC complex; GTP is not required for binding to TubR-tubC. TubZ alone does not bind DNA (PubMed:17873046, PubMed:20534443, PubMed:25825718). Has a high GTPase activity in the presence of Mg(2+); in the presence of GTP assembles into dynamic filaments which upon polymerization bind almost exclusively GDP. Filament formation is cooperative, requiring a critical concentration. Formation occurs very quickly and is followed by disassembly as GTP is consumed (PubMed:18198178).<ref>PMID:16936050</ref> <ref>PMID:17873046</ref> <ref>PMID:18198178</ref> <ref>PMID:20534443</ref> <ref>PMID:23010931</ref> <ref>PMID:25825718</ref>
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== References ==
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<references/>
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__TOC__
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</SX>
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[[Category: Bacillus thuringiensis serovar israelensis]]
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[[Category: Large Structures]]
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[[Category: Agard DA]]
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[[Category: Montabana EA]]

Current revision

Helical Model of TubZ-Bt four-stranded filament

3j4s, resolution 6.80Å

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OCA

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