2v1c: Difference between revisions

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[[Image:2v1c.jpg|left|200px]]
{{Seed}}
[[Image:2v1c.png|left|200px]]


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{{STRUCTURE_2v1c|  PDB=2v1c  |  SCENE=  }}  
{{STRUCTURE_2v1c|  PDB=2v1c  |  SCENE=  }}  


'''CRYSTAL STRUCTURE AND MUTATIONAL STUDY OF RECOR PROVIDE INSIGHT INTO ITS ROLE IN DNA REPAIR'''
===CRYSTAL STRUCTURE AND MUTATIONAL STUDY OF RECOR PROVIDE INSIGHT INTO ITS ROLE IN DNA REPAIR===




==Overview==
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The crystal structure of the complex formed between Deinococcus radiodurans RecR and RecO (drRecOR) has been determined. In accordance with previous biochemical characterisation, the drRecOR complex displays a RecR:RecO molecular ratio of 2:1. The biologically relevant drRecOR entity consists of a heterohexamer in the form of two drRecO molecules positioned on either side of the tetrameric ring of drRecR, with their OB (oligonucleotide/oligosaccharide-binding) domains pointing towards the interior of the ring. Mutagenesis studies validated the protein-protein interactions observed in the crystal structure and allowed mapping of the residues in the drRecOR complex required for DNA binding. Furthermore, the preferred DNA substrate of drRecOR was identified as being 3'-overhanging DNA, as encountered at ssDNA-dsDNA junctions. Together these results suggest a possible mechanism for drRecOR recognition of stalled replication forks.
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{{ABSTRACT_PUBMED_17581636}}


==About this Structure==
==About this Structure==
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[[Category: Zinc]]
[[Category: Zinc]]
[[Category: Zinc-finger]]
[[Category: Zinc-finger]]
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun May  4 18:01:36 2008''
 
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Jul 29 02:16:13 2008''

Revision as of 23:16, 28 July 2008

File:2v1c.png

Template:STRUCTURE 2v1c

CRYSTAL STRUCTURE AND MUTATIONAL STUDY OF RECOR PROVIDE INSIGHT INTO ITS ROLE IN DNA REPAIR

Template:ABSTRACT PUBMED 17581636

About this Structure

2V1C is a Protein complex structure of sequences from Deinococcus radiodurans. Full crystallographic information is available from OCA.

Reference

Crystal structure and mutational study of RecOR provide insight into its mode of DNA binding., Timmins J, Leiros I, McSweeney S, EMBO J. 2007 Jul 11;26(13):3260-71. Epub 2007 Jun 21. PMID:17581636

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