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1avq

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[[Image:1avq.gif|left|200px]]
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{{STRUCTURE_1avq| PDB=1avq | SCENE= }}
{{STRUCTURE_1avq| PDB=1avq | SCENE= }}
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'''TOROIDAL STRUCTURE OF LAMBDA EXONUCLEASE DETERMINED AT 2.4 ANGSTROMS'''
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===TOROIDAL STRUCTURE OF LAMBDA EXONUCLEASE DETERMINED AT 2.4 ANGSTROMS===
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==Overview==
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Structure determination at 2.4 angstrom resolution shows that lambda-exonuclease consists of three subunits that form a toroid. The central channel is funnel shaped, tapering from an inner diameter of about 30 angstroms at the wider end to 15 angstroms at the narrow end. This is adequate to accommodate the DNA substrate and thus provides a structural basis for the ability of the enzyme to sequentially hydrolyze thousands of nucleotides in a highly processive manner. The results also suggest the locations of the active sites and the constraints that limit cleavage to a single strand.
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(as it appears on PubMed at http://www.pubmed.gov), where 9295273 is the PubMed ID number.
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{{ABSTRACT_PUBMED_9295273}}
==About this Structure==
==About this Structure==
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[[Category: Deoxyribonuclease]]
[[Category: Deoxyribonuclease]]
[[Category: Dna recombination and repair]]
[[Category: Dna recombination and repair]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 10:45:03 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jun 30 17:42:04 2008''

Revision as of 14:42, 30 June 2008

Image:1avq.png

Template:STRUCTURE 1avq

TOROIDAL STRUCTURE OF LAMBDA EXONUCLEASE DETERMINED AT 2.4 ANGSTROMS

Template:ABSTRACT PUBMED 9295273

About this Structure

1AVQ is a Single protein structure of sequence from Enterobacteria phage lambda. Full crystallographic information is available from OCA.

Reference

Toroidal structure of lambda-exonuclease., Kovall R, Matthews BW, Science. 1997 Sep 19;277(5333):1824-7. PMID:9295273

Page seeded by OCA on Mon Jun 30 17:42:04 2008

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