S-specific spore photoproduct lyase

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S-specific spore photoproduct lyase (EC 4.1.99.15, SAM, SP lyase, SPL, SplB, SplG) is an enzyme with systematic name S-specific spore photoproduct pyrimidine-lyase. This enzyme catalyses the following chemical reaction

(5S)-5,6-dihydro-5-(thymidin-7-yl)thymidine (in DNA) + S-adenosyl-L-methionine

\rightleftharpoons

thymidylyl-(3'->5')-thymidylate (in DNA) + 5'-deoxyadenosine + L-methionine

This enzyme is an iron-sulfur protein.

References

Chandor A, Berteau O, Douki T, Gasparutto D, Sanakis Y, Ollagnier-de-Choudens S, Atta M, Fontecave M (September 2006). "Dinucleotide spore photoproduct, a minimal substrate of the DNA repair spore photoproduct lyase enzyme from Bacillus subtilis". The Journal of Biological Chemistry. 281 (37): 26922–31. doi:10.1074/jbc.m602297200. PMID 16829676.
Pieck JC, Hennecke U, Pierik AJ, Friedel MG, Carell T (November 2006). "Characterization of a new thermophilic spore photoproduct lyase from Geobacillus stearothermophilus (SplG) with defined lesion containing DNA substrates". The Journal of Biological Chemistry. 281 (47): 36317–26. doi:10.1074/jbc.m607053200. PMID 16968710.
Mehl RA, Begley TP (October 1999). "Mechanistic studies on the repair of a novel DNA photolesion: the spore photoproduct". Organic Letters. 1 (7): 1065–6. doi:10.1021/ol9908676. PMID 10825958.
Friedel MG, Berteau O, Pieck JC, Atta M, Ollagnier-de-Choudens S, Fontecave M, Carell T (January 2006). "The spore photoproduct lyase repairs the 5S- and not the 5R-configured spore photoproduct DNA lesion" (PDF). Chemical Communications (4): 445–7. doi:10.1039/b514103f. PMID 16493831.

External links

S-specific+spore+photoproduct+lyase at the U.S. National Library of Medicine Medical Subject Headings (MeSH)

v t e Carbon–carbon lyases (EC 4.1)
4.1.1: Carboxy-lyases	Acetoacetate decarboxylase Adenosylmethionine decarboxylase Arginine decarboxylase Aromatic L-amino acid decarboxylase Glutamate decarboxylase Histidine decarboxylase Lysine decarboxylase Malonyl-CoA decarboxylase Ornithine decarboxylase Oxaloacetate decarboxylase Phosphoenolpyruvate carboxykinase Phosphoenolpyruvate carboxylase Phosphoribosylaminoimidazole carboxylase Pyrophosphomevalonate decarboxylase Pyruvate decarboxylase RuBisCO Uridine monophosphate synthetase/Orotidine 5'-phosphate decarboxylase Uroporphyrinogen III decarboxylase
4.1.2: Aldehyde-lyases	Fructose-bisphosphate aldolase Aldolase A Aldolase B Aldolase C 2-hydroxyphytanoyl-CoA lyase Threonine aldolase
4.1.3: Oxo-acid-lyases	Isocitrate lyase 3-hydroxy-3-methylglutaryl-CoA lyase
4.1.99: Other	Tryptophanase Photolyase CPD lyase Spore photoproduct lyase

v t e Enzymes
Activity	Active site Binding site Catalytic triad Oxyanion hole Enzyme promiscuity Diffusion-limited enzyme Cofactor Enzyme catalysis
Regulation	Allosteric regulation Cooperativity Enzyme inhibitor Enzyme activator
Classification	EC number Enzyme superfamily Enzyme family List of enzymes
Kinetics	Enzyme kinetics Eadie–Hofstee diagram Hanes–Woolf plot Lineweaver–Burk plot Michaelis–Menten kinetics
Types	EC1 Oxidoreductases (list) EC2 Transferases (list) EC3 Hydrolases (list) EC4 Lyases (list) EC5 Isomerases (list) EC6 Ligases (list) EC7 Translocases (list)

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Biology

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EC 4.1.99