DNA ligase: Difference between revisions

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'''DNA ligase''' (LigD) is an enzyme which repairs single-stranded breaks in a double-stranded DNA.  LigD is activated , in a species-dependent manner, by hydrolysis of  ATP or NAD+.  Mammalian LigD I ligates the nascent DNA of the lagging strand; LigD III complexes with XRCC1 in the process of nucleotide excision repair; LigD IV complexes with XRCC4 and catalyzes the last step in the non-homologous DNA end joining.LigD contains several domains: adenylation domain; DNA-binding domain and the ca. 100 amino acid long BRCT motif.  See more details in [[ATP-Dependent DNA Ligase (Bacteriophage T7)}}.
'''DNA ligase''' (LigD) is an enzyme which repairs single-stranded breaks in a double-stranded DNA.  LigD is activated , in a species-dependent manner, by hydrolysis of  ATP or NAD+.  Mammalian LigD I ligates the nascent DNA of the lagging strand; LigD III complexes with XRCC1 in the process of nucleotide excision repair; LigD IV complexes with XRCC4 and catalyzes the last step in the non-homologous DNA end joining. LigD contains several domains: adenylation domain; DNA-binding domain and the ca. 100 amino acid long BRCT motif.  See more details in [[ATP-Dependent DNA Ligase (Bacteriophage T7)]].


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