The Enzyme Database

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Accepted name: DNA ligase (ATP)
Reaction: ATP + (deoxyribonucleotide)n + (deoxyribonucleotide)m = AMP + diphosphate + (deoxyribonucleotide)n+m
Other name(s): polydeoxyribonucleotide synthase (ATP); polynucleotide ligase (ambiguous); sealase; DNA repair enzyme (ambiguous); DNA joinase (ambiguous); DNA ligase (ambiguous); deoxyribonucleic ligase (ambiguous); deoxyribonucleate ligase (ambiguous); DNA-joining enzyme (ambiguous); deoxyribonucleic-joining enzyme (ambiguous); deoxyribonucleic acid-joining enzyme (ambiguous); deoxyribonucleic repair enzyme (ambiguous); deoxyribonucleic joinase (ambiguous); deoxyribonucleic acid ligase (ambiguous); deoxyribonucleic acid joinase (ambiguous); deoxyribonucleic acid repair enzyme (ambiguous)
Systematic name: poly(deoxyribonucleotide):poly(deoxyribonucleotide) ligase (AMP-forming)
Comments: Catalyses the formation of a phosphodiester at the site of a single-strand break in duplex DNA. RNA can also act as substrate, to some extent. cf. EC, DNA ligase (NAD+), EC, DNA ligase (ATP or NAD+), and EC, DNA ligase (ATP, ADP or GTP).
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, PDB, CAS registry number: 9015-85-4
1.  Becker, A., Lyn, G., Gefter, M. and Hurwitz, J. The enzymatic repair of DNA. II. Characterization of phage-induced sealase. Proc. Natl. Acad. Sci. USA 58 (1967) 1996–2003. [PMID: 4295584]
2.  Bertazzoni, U., Mathelet, M. and Campagnari, F. Purification and properties of a polynucleotide ligase from calf thymus glands. Biochim. Biophys. Acta 287 (1972) 404–414. [PMID: 4641251]
3.  Weiss, B. and Richardson, C.C. Enzymatic breakage and joining of deoxyribonucleic acid. I. Repair of single-strand breaks in DNA by an enzyme system from Escherichia coli infected with T4 bacteriophage. Proc. Natl. Acad. Sci. USA 57 (1967) 1021–1028. [PMID: 5340583]
[EC created 1972, modified 1976]

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