1tez
From Proteopedia
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[[Image:1tez.gif|left|200px]] | [[Image:1tez.gif|left|200px]] | ||
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'''COMPLEX BETWEEN DNA AND THE DNA PHOTOLYASE FROM ANACYSTIS NIDULANS''' | '''COMPLEX BETWEEN DNA AND THE DNA PHOTOLYASE FROM ANACYSTIS NIDULANS''' | ||
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[[Category: Klar, T.]] | [[Category: Klar, T.]] | ||
[[Category: Mees, A.]] | [[Category: Mees, A.]] | ||
- | [[Category: | + | [[Category: Dna repair]] |
- | [[Category: | + | [[Category: Light-driven electron transfer]] |
- | [[Category: | + | [[Category: Photolyase]] |
- | + | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 09:52:09 2008'' | |
- | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on | + |
Revision as of 06:52, 3 May 2008
COMPLEX BETWEEN DNA AND THE DNA PHOTOLYASE FROM ANACYSTIS NIDULANS
Overview
DNA photolyases use light energy to repair DNA that comprises ultraviolet-induced lesions such as the cis-syn cyclobutane pyrimidine dimers (CPDs). Here we report the crystal structure of a DNA photolyase bound to duplex DNA that is bent by 50 degrees and comprises a synthetic CPD lesion. This CPD lesion is flipped into the active site and split there into two thymines by synchrotron radiation at 100 K. Although photolyases catalyze blue light-driven CPD cleavage only above 200 K, this structure apparently mimics a structural substate during light-driven DNA repair in which back-flipping of the thymines into duplex DNA has not yet taken place.
About this Structure
1TEZ is a Single protein structure of sequence from Synechococcus sp.. Full crystallographic information is available from OCA.
Reference
Crystal structure of a photolyase bound to a CPD-like DNA lesion after in situ repair., Mees A, Klar T, Gnau P, Hennecke U, Eker AP, Carell T, Essen LO, Science. 2004 Dec 3;306(5702):1789-93. PMID:15576622 Page seeded by OCA on Sat May 3 09:52:09 2008