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Synonyms
ssdna, primase, photolyase, dna photolyase, cryptochrome 1, cpd photolyase, cry-dash, cpd-photolyase, cyclobutane pyrimidine dimer photolyase, cryptochrome dash,
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cyclobutadipyrimidine (in DNA) = 2 pyrimidine residues (in DNA)
cyclobutadipyrimidine (in DNA) = 2 pyrimidine residues (in DNA)
cyclobutadipyrimidine (in DNA) = 2 pyrimidine residues (in DNA)
photo-induced intramolecular electron transfer in photolyases and initial electron-transfer bifurcation in repair complexes. Seven electron-transfer reactions in 10 elementary steps in all classes of CPD photolyases. Unified electron-transfer pathway through a conserved structural configuration that bifurcates to favor direct tunneling in prokaryotes and a two step hopping mechanism in eukaryotes. Complete photocycles of CPD repair by class I and class II PLs, overview
cyclobutadipyrimidine (in DNA) = 2 pyrimidine residues (in DNA)
the repair of CPD reveals seven electron-transfer (ET) reactions among ten elementary steps by a cyclic ET radical mechanism through bifurcating ET pathways, a direct tunneling route mediated by the intervening adenine and a two-step hopping path bridged by the intermediate adenine from the cofactor to damaged DNA, through the conserved folded flavin at the active site. Repair photocycle of the PLs and development of a unified repair mechanism for all CPD PLs with the critical, bifurcating electron transfer pathways through the folded flavin cofactor in the conserved active site structure, overview
cyclobutadipyrimidine (in DNA) = 2 pyrimidine residues (in DNA)
photo-induced intramolecular electron transfer in photolyases and initial electron-transfer bifurcation in repair complexes. Seven electron-transfer reactions in 10 elementary steps in all classes of CPD photolyases. Unified electron-transfer pathway through a conserved structural configuration that bifurcates to favor direct tunneling in prokaryotes and a two step hopping mechanism in eukaryotes. Complete photocycles of CPD repair by class I and class II PLs, overview
cyclobutadipyrimidine (in DNA) = 2 pyrimidine residues (in DNA)
the repair of CPD reveals seven electron-transfer (ET) reactions among ten elementary steps by a cyclic ET radical mechanism through bifurcating ET pathways, a direct tunneling route mediated by the intervening adenine and a two-step hopping path bridged by the intermediate adenine from the cofactor to damaged DNA, through the conserved folded flavin at the active site. Repair photocycle of the PLs and development of a unified repair mechanism for all CPD PLs with the critical, bifurcating electron transfer pathways through the folded flavin cofactor in the conserved active site structure, overview
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cyclobutadipyrimidine (in DNA)
2 pyrimidine residues (in DNA)
cyclobutadipyrimidine in DNA
2 pyrimidine residues in DNA
two photolyases specific for photoreactivation of either cyclobutane pyrimidine dimers or pyrimidine (6-4)pyrimidones
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cyclobutadipyrimidine in DNA
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compared to the wild-type the rate of cyclobutane pyrimidine dimer accumulation is increased in the uvr2-1 mutant but decreases in the CPD photolyase overexpressors. Under conditions without UV-B, overexpression of photolyase does not have any negative effect on growth
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adenosine 5'-(beta,gamma-imido)triphosphate
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Cry1
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cyclobutadipyrimidine (in DNA)
2 pyrimidine residues (in DNA)
cyclobutadipyrimidine in DNA
2 pyrimidine residues in DNA
cyclobutadipyrimidine in DNA
pyrimidine residues in DNA
cyclobutadipyrimidine in RNA
2 pyrimidine residues in RNA
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additional information
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cyclobutadipyrimidine (in DNA)
2 pyrimidine residues (in DNA)
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cyclobutadipyrimidine (in DNA)
2 pyrimidine residues (in DNA)
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cyclobutadipyrimidine (in DNA)
2 pyrimidine residues (in DNA)
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cyclobutadipyrimidine (in DNA)
2 pyrimidine residues (in DNA)
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cyclobutadipyrimidine (in DNA)
2 pyrimidine residues (in DNA)
enzyme AtCRY3 is specific for single-stranded DNA substrates
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cyclobutadipyrimidine in DNA
2 pyrimidine residues in DNA
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cyclobutadipyrimidine in DNA
2 pyrimidine residues in DNA
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repairs cyclobutylpyrimidine dimers by a light-driven electron transfer
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cyclobutadipyrimidine in DNA
2 pyrimidine residues in DNA
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AtCry3 repairs the dimer but only in ssDNA
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cyclobutadipyrimidine in DNA
pyrimidine residues in DNA
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cyclobutadipyrimidine in DNA
pyrimidine residues in DNA
the enzyme repairs specifically cyclobutane pyrimidine dimers in UV-damaged single-stranded DNA, the enzyme catalyzes light-driven DNA repair like conventional photolyases but lacks an efficient flipping mechanism for interaction with cyclobutane pyrimidine dimer lesions within duplex DNA
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additional information
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light-dependent repair of UV-induced damage products in DNA by direct reversal of base damage rather than via excision repair pathways
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additional information
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light-dependent repair of UV-induced damage products in DNA by direct reversal of base damage rather than via excision repair pathways
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additional information
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pre-inoculation UV-C (254 nm) treatment of normally susceptible Arabidopsis thaliana accessions induces prolonged, dose-dependent resistance to virulent isolates of the phytopathogenic oomycete Hyaloperonospora parasitica with cyclobutane pyrimidine dimers and (6-4) photoproducts playing a key role in this response
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additional information
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CPD-photolyase is a DNA repair protein, the electron-transport chain of Cry1 involves a Tyr residue as initial electron donor. For Cry3, weak but unspecific DNA binding, for Cry1, DNA binding cannot be detected. Cry2, whose surface largely resembles that of Cry1, does bind to DNA. Cry3 does repair cyclobutane-pyrimidine-dimers when the lesion is located in a preflipped out state such as in bulges of dsDNA. DASH cryptochromes are single-strand-specific CPD-photolyases
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cyclobutadipyrimidine (in DNA)
2 pyrimidine residues (in DNA)
cyclobutadipyrimidine (in DNA)
2 pyrimidine residues (in DNA)
cyclobutadipyrimidine in DNA
2 pyrimidine residues in DNA
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additional information
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cyclobutadipyrimidine (in DNA)
2 pyrimidine residues (in DNA)
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cyclobutadipyrimidine (in DNA)
2 pyrimidine residues (in DNA)
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cyclobutadipyrimidine (in DNA)
2 pyrimidine residues (in DNA)
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cyclobutadipyrimidine (in DNA)
2 pyrimidine residues (in DNA)
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additional information
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light-dependent repair of UV-induced damage products in DNA by direct reversal of base damage rather than via excision repair pathways
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additional information
?
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light-dependent repair of UV-induced damage products in DNA by direct reversal of base damage rather than via excision repair pathways
-
?
additional information
?
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pre-inoculation UV-C (254 nm) treatment of normally susceptible Arabidopsis thaliana accessions induces prolonged, dose-dependent resistance to virulent isolates of the phytopathogenic oomycete Hyaloperonospora parasitica with cyclobutane pyrimidine dimers and (6-4) photoproducts playing a key role in this response
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pterin
contains not only reduced FAD but also a reduced pterin, or a cofactor with similar properties, as a chromophore
5,10-methenyltetrahydrofolate
FADH2
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the isoalloxazine ring is sandwiched between a salt bridge comprising an arginine and an aspartate residue
FAD
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FAD
dependent on, adopts a uniquely folded configuration at the active site that plays a critical functional role in DNA repair, overview. Dynamics of flavin cofactor and its repair photocycles by different classes of photolyases, overview. Photolyase utilizes FADH-, not FAD- radical as the active state
FAD
the enzyme uses a fully reduced flavin, FADH-, cofactor to repair sunlight-induced DNA lesions
5,10-methenyltetrahydrofolate
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5,10-methenyltetrahydrofolate
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an electron transfer pathway exists in DASH cryptochrome, where the 5,10-methenyltetrahydrofolate cofactor is photoreduced to 5,10-methylenetetrahydrofolate. Reduction requires the intact tryptophan triad. DASH cryptochrome forms 5,10-methylenetetrahydrofolate when treated with UV-A. Light-driven formation of 5,10-methylenetetrahydrofolate by DASH cryptochrome can be coupled with the formation of NADPH in the presence of 5,10-methylenetetrahydrofolate dehydrogenase
5,10-methenyltetrahydrofolate
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Cry3
FAD
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FAD
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only FAD as cofactor, no second cofactor detectable
FAD
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binds the flavin cofactor in a pocket that is conserved in terms of its electronic properties
FAD
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Cry1, which does not bind to DNA, possesses a strongly reduced surface charge around the FAD binding pocket
FAD
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photoreduction of FAD under blue light irradiation is faster in photolyase than in Arabidopsis cry3
FAD
dependent on, adopts a uniquely folded configuration at the active site that plays a critical functional role in DNA repair, overview. Dynamics of flavin cofactor and its repair photocycles by different classes of photolyases, overview. Photolyase utilizes FADH-, not FAD- radical as the active state
FAD
the enzyme uses a fully reduced flavin, FADH-, cofactor to repair sunlight-induced DNA lesions
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evolution
CPD photolyases are highly diversified and can be subdivided into three classes (I to III), as well as single-stranded DNA (ssDNA)-specific PLs. Unrooted phylogenetic tree of the PL-CRY protein family and representative members.The class II PL is distant from the other subfamilies, critical active-site residues that vary between the class I PLs and the other subfamilies, overview
evolution
the enzyme belongs to the enzyme superfamily of photolyase/cryptochromes. Dynamics of flavin cofactor and its repair photocycles by different classes of photolyases, overview. The unified, bifurcated electron transfer mechanism elucidates the molecular origin of various repair quantum yields of different photolyases from three life kingdoms. Classes of photolyases and structures of CPD and 6-4 photolyases, overview. The diverse subfamily of CPD photolyases consists of classes I, II and III, and ssDNA PLs
physiological function
overexpression of CPD photolyase strongly enhances the repair of cyclobutane pyrimidine dimers and results in a moderate increase of biomass production under elevated UV-B
physiological function
CPD photolyase is a blue-light-activated enzyme that repairs ultraviolet-induced DNA damage which occurs in the form of cyclobutane pyrimidine dimers (CPDs). The enzyme uses a fully reduced flavin (FADH-) cofactor to repair sunlight-induced DNA lesions
physiological function
CPD photolyase, a flavoenzyme containing flavin adenine dinucleotide (FAD) molecule as a catalytic cofactor, repairs UV-induced DNA damage of cyclobutane pyrimidine dimer (CPD) photoproduct using blue light. The FAD cofactor, conserved in the whole protein superfamily of photolyase/cryptochromes, adopts a unique folded configuration at the active site that plays a critical functional role in DNA repair
evolution
CPD photolyases are highly diversified and can be subdivided into three classes (I to III), as well as single-stranded DNA (ssDNA)-specific PLs. Unrooted phylogenetic tree of the PL-CRY protein family and representative members.The class II PL is distant from the other subfamilies, critical active-site residues that vary between the class I PLs and the other subfamilies, overview
evolution
the enzyme belongs to the enzyme superfamily of photolyase/cryptochromes. Dynamics of flavin cofactor and its repair photocycles by different classes of photolyases, overview. The unified, bifurcated electron transfer mechanism elucidates the molecular origin of various repair quantum yields of different photolyases from three life kingdoms. Classes of photolyases and structures of CPD and 6-4 photolyases, overview. The diverse subfamily of CPD photolyases consists of classes I, II and III, and ssDNA PLs
metabolism
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photoreduction kinetics of class II photolyases are very similar to those of the other classes with even higher photoreduction rates in class II as compared to class I. W399-W378-W406 electron-transfer pathway is conserved among class II CPD photolyase enzymes
metabolism
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third electron transfer pathway exists in members of the photolyase family, e.g. DASH cryptochrome, that remained undiscovered so far
physiological function
CPD photolyase is a blue-light-activated enzyme that repairs ultraviolet-induced DNA damage which occurs in the form of cyclobutane pyrimidine dimers (CPDs). The enzyme uses a fully reduced flavin (FADH-) cofactor to repair sunlight-induced DNA lesions
physiological function
CPD photolyase, a flavoenzyme containing flavin adenine dinucleotide (FAD) molecule as a catalytic cofactor, repairs UV-induced DNA damage of cyclobutane pyrimidine dimer (CPD) photoproduct using blue light. The FAD cofactor, conserved in the whole protein superfamily of photolyase/cryptochromes, adopts a unique folded configuration at the active site that plays a critical functional role in DNA repair
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Kleiner, O.; Butenandt, J.; Carell, T.; Batschauer, A.
Class II DNA photolyase from Arabidopsis thaliana contains FAD as a cofactor
Eur. J. Biochem.
264
161-167
1999
Arabidopsis thaliana
brenda
Waterworth, W.M.; Jiang, Q.; West, C.E.; Nikaido, M.; Bray, C.M.
Characterization of Arabidopsis photolyase enzymes and analysis of their role in protection from ultraviolet-B radiation
J. Exp. Bot.
53
1005-1015
2002
Arabidopsis thaliana (Q9SB00), Arabidopsis thaliana
brenda
Essen, L.O.; Klar, T.
Light-driven DNA repair by photolyases
Cell. Mol. Life Sci.
63
1266-1277
2006
Arabidopsis thaliana, Aspergillus nidulans, Potorous tridactylus, Escherichia coli (P00914)
brenda
Selby, C.P.; Sancar, A.
A cryptochrome/photolyase class of enzymes with single-stranded DNA-specific photolyase activity
Proc. Natl. Acad. Sci. USA
103
17696-17700
2006
Arabidopsis thaliana, Bacillus subtilis, Vibrio cholerae serotype O1, Xenopus laevis
brenda
Kunz, B.A.; Dando, P.K.; Grice, D.M.; Mohr, P.G.; Schenk, P.M.; Cahill, D.M.
UV-induced DNA damage promotes resistance to the biotrophic pathogen Hyaloperonospora parasitica in Arabidopsis
Plant Physiol.
148
1021-1031
2008
Arabidopsis thaliana
brenda
Pokorny, R.; Klar, T.; Hennecke, U.; Carell, T.; Batschauer, A.; Essen, L.O.
Recognition and repair of UV lesions in loop structures of duplex DNA by DASH-type cryptochrome
Proc. Natl. Acad. Sci. USA
105
21023-21027
2008
Arabidopsis thaliana (Q84RJ5)
brenda
Mueller, M.; Carell, T.
Structural biology of DNA photolyases and cryptochromes
Curr. Opin. Struct. Biol.
19
277-285
2009
Synechococcus elongatus PCC 7942 = FACHB-805, Arabidopsis thaliana, Homo sapiens, Sulfurisphaera tokodaii, Escherichia coli (P00914), Thermus thermophilus (P61497)
brenda
Okafuji, A.; Biskup, T.; Hitomi, K.; Getzoff, E.D.; Kaiser, G.; Batschauer, A.; Bacher, A.; Hidema, J.; Teranishi, M.; Yamamoto, K.; Schleicher, E.; Weber, S.
Light-induced activation of class II cyclobutane pyrimidine dimer photolyases
DNA Repair
9
495-505
2010
Arabidopsis thaliana, Escherichia coli, Oryza sativa
brenda
Moldt, J.; Pokorny, R.; Orth, C.; Linne, U.; Geisselbrecht, Y.; Marahiel, M.A.; Essen, L.O.; Batschauer, A.
Photoreduction of the folate cofactor in members of the photolyase family
J. Biol. Chem.
284
21670-21683
2009
Arabidopsis thaliana, Escherichia coli
brenda
Kaiser, G.; Kleiner, O.; Beisswenger, C.; Batschauer, A.
Increased DNA repair in Arabidopsis plants overexpressing CPD photolyase
Planta
230
505-515
2009
Arabidopsis thaliana (Q9SB00), Arabidopsis thaliana
brenda
Zhang, M.; Wang, L.; Zhong, D.
Photolyase dynamics and electron-transfer mechanisms of DNA repair
Arch. Biochem. Biophys.
632
158-174
2017
Caulobacter vibrioides (A0A0H3C7H5), Escherichia coli (P00914), Synechococcus elongatus PCC 7942 = FACHB-805 (P05327), Arabidopsis thaliana (Q84KJ5), Arabidopsis thaliana (Q9SB00), Methanosarcina mazei (Q8PYK9), Synechococcus elongatus PCC 7942 = FACHB-805 ATCC 27144 / PCC 6301 / SAUG 1402/1 (P05327), Caulobacter vibrioides NA1000/CB15N (A0A0H3C7H5), Methanosarcina mazei ATCC BAA-159 (Q8PYK9)
brenda
Zhang, M.; Wang, L.; Shu, S.; Sancar, A.; Zhong, D.
Bifurcating electron-transfer pathways in DNA photolyases determine the repair quantum yield
Science
354
209-213
2016
Caulobacter vibrioides (A0A0H3C7H5), Escherichia coli (P00914), Synechococcus elongatus PCC 7942 = FACHB-805 (P05327), Drosophila melanogaster (Q24443), Arabidopsis thaliana (Q84KJ5), Arabidopsis thaliana (Q9SB00), Caulobacter vibrioides NA1000 / CB15N (A0A0H3C7H5), Synechococcus elongatus PCC 7942 = FACHB-805 ATCC 27144 / PCC 6301 / SAUG 1402/1 (P05327)
brenda