2iuu | pdb_00002iuu

P. AERUGINOSA FTSK MOTOR DOMAIN, HEXAMER

spinqualitylabelsall models 2iuu, resolution 2.90Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 2iuu is a 6 chain structure with sequence from Pseudomonas aeruginosa. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Ligands: ADP Related: 2ius, 2iut Resources: FirstGlance, OCA, RCSB, PDBsum Evolutionary Conservation Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf. Publication Abstract from PubMed FtsK is a DNA translocase that coordinates chromosome segregation and cell division in bacteria. In addition to its role as activator of XerCD site-specific recombination, FtsK can translocate double-stranded DNA (dsDNA) rapidly and directionally and reverse direction. We present crystal structures of the FtsK motor domain monomer, showing that it has a RecA-like core, the FtsK hexamer, and also showing that it is a ring with a large central annulus and a dodecamer consisting of two hexamers, head to head. Electron microscopy (EM) demonstrates the DNA-dependent existence of hexamers in solution and shows that duplex DNA passes through the middle of each ring. Comparison of FtsK monomer structures from two different crystal forms highlights a conformational change that we propose is the structural basis for a rotary inchworm mechanism of DNA translocation. Double-stranded DNA translocation: structure and mechanism of hexameric FtsK.,Massey TH, Mercogliano CP, Yates J, Sherratt DJ, Lowe J Mol Cell. 2006 Aug;23(4):457-69. PMID:16916635 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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