6t8g: Difference between revisions

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'''Unreleased structure'''


The entry 6t8g is ON HOLD
==Stalled FtsK motor domain bound to dsDNA==
 
<StructureSection load='6t8g' size='340' side='right'caption='[[6t8g]], [[Resolution|resolution]] 4.34&Aring;' scene=''>
Authors:  
== Structural highlights ==
 
<table><tr><td colspan='2'>[[6t8g]] is a 8 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=6T8G OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=6T8G FirstGlance]. <br>
Description:  
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=ADP:ADENOSINE-5-DIPHOSPHATE'>ADP</scene></td></tr>
[[Category: Unreleased Structures]]
<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[6t8b|6t8b]], [[6t8o|6t8o]]</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=6t8g FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6t8g OCA], [http://pdbe.org/6t8g PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=6t8g RCSB], [http://www.ebi.ac.uk/pdbsum/6t8g PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=6t8g ProSAT]</span></td></tr>
</table>
== Function ==
[[http://www.uniprot.org/uniprot/FTSK_PSEAE FTSK_PSEAE]] Essential cell division protein that coordinates cell division and chromosome segregation. The N-terminus is involved in assembly of the cell-division machinery. The C-terminus functions as a DNA motor that moves dsDNA in an ATP-dependent manner towards the dif recombination site, which is located within the replication terminus region. Translocation stops specifically at Xer-dif sites, where FtsK interacts with the Xer recombinase, allowing activation of chromosome unlinking by recombination. FtsK orienting polar sequences (KOPS) guide the direction of DNA translocation. FtsK can remove proteins from DNA as it translocates, but translocation stops specifically at XerCD-dif site, thereby preventing removal of XerC and XerD from dif (Probable).<ref>PMID:16916635</ref> <ref>PMID:18722176</ref> 
== References ==
<references/>
__TOC__
</StructureSection>
[[Category: Large Structures]]
[[Category: Jean, N L]]
[[Category: Lowe, J]]
[[Category: Divisome]]
[[Category: Dna binding protein]]
[[Category: Dna motor]]
[[Category: Dna translocation]]
[[Category: Reca fold]]

Revision as of 18:38, 20 November 2019

Stalled FtsK motor domain bound to dsDNAStalled FtsK motor domain bound to dsDNA

Structural highlights

6t8g is a 8 chain structure. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Ligands:
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

[FTSK_PSEAE] Essential cell division protein that coordinates cell division and chromosome segregation. The N-terminus is involved in assembly of the cell-division machinery. The C-terminus functions as a DNA motor that moves dsDNA in an ATP-dependent manner towards the dif recombination site, which is located within the replication terminus region. Translocation stops specifically at Xer-dif sites, where FtsK interacts with the Xer recombinase, allowing activation of chromosome unlinking by recombination. FtsK orienting polar sequences (KOPS) guide the direction of DNA translocation. FtsK can remove proteins from DNA as it translocates, but translocation stops specifically at XerCD-dif site, thereby preventing removal of XerC and XerD from dif (Probable).[1] [2]

References

  1. ↑ Massey TH, Mercogliano CP, Yates J, Sherratt DJ, Lowe J. Double-stranded DNA translocation: structure and mechanism of hexameric FtsK. Mol Cell. 2006 Aug;23(4):457-69. PMID:16916635 doi:10.1016/j.molcel.2006.06.019
  2. ↑ Lowe J, Ellonen A, Allen MD, Atkinson C, Sherratt DJ, Grainge I. Molecular mechanism of sequence-directed DNA loading and translocation by FtsK. Mol Cell. 2008 Aug 22;31(4):498-509. PMID:18722176 doi:10.1016/j.molcel.2008.05.027

6t8g, resolution 4.34Å

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