1zr4

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[[Image:1zr4.gif|left|200px]]
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{{Seed}}
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[[Image:1zr4.png|left|200px]]
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{{STRUCTURE_1zr4| PDB=1zr4 | SCENE= }}
{{STRUCTURE_1zr4| PDB=1zr4 | SCENE= }}
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'''Structure of a Synaptic gamma-delta Resolvase Tetramer Covalently linked to two Cleaved DNAs'''
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===Structure of a Synaptic gamma-delta Resolvase Tetramer Covalently linked to two Cleaved DNAs===
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==Overview==
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The structure of a synaptic intermediate of the site-specific recombinase gammadelta resolvase covalently linked through Ser10 to two cleaved duplex DNAs has been determined at 3.4 angstrom resolution. This resolvase, activated for recombination by mutations, forms a tetramer whose structure is substantially changed from that of a presynaptic complex between dimeric resolvase and the cleavage site DNA. Because the two cleaved DNA duplexes that are to be recombined lie on opposite sides of the core tetramer, large movements of both protein and DNA are required to achieve strand exchange. The two dimers linked to the DNAs that are to be recombined are held together by a flat interface. This may allow a 180 degrees rotation of one dimer relative to the other in order to reposition the DNA duplexes for strand exchange.
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The line below this paragraph, {{ABSTRACT_PUBMED_15994378}}, adds the Publication Abstract to the page
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(as it appears on PubMed at http://www.pubmed.gov), where 15994378 is the PubMed ID number.
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{{ABSTRACT_PUBMED_15994378}}
==About this Structure==
==About this Structure==
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[[Category: Resolvase]]
[[Category: Resolvase]]
[[Category: Site-specific]]
[[Category: Site-specific]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 17:57:57 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jul 28 08:01:55 2008''

Revision as of 05:01, 28 July 2008

Image:1zr4.png

Template:STRUCTURE 1zr4

Structure of a Synaptic gamma-delta Resolvase Tetramer Covalently linked to two Cleaved DNAs

Template:ABSTRACT PUBMED 15994378

About this Structure

1ZR4 is a Single protein structure of sequence from Escherichia coli. Full crystallographic information is available from OCA.

Reference

Structure of a synaptic gammadelta resolvase tetramer covalently linked to two cleaved DNAs., Li W, Kamtekar S, Xiong Y, Sarkis GJ, Grindley ND, Steitz TA, Science. 2005 Aug 19;309(5738):1210-5. Epub 2005 Jun 30. PMID:15994378

Page seeded by OCA on Mon Jul 28 08:01:55 2008

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