FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term excinuclease repair complex ID (Ontology) GO:0009380 (Gene Ontology)
Definition Any of the protein complexes formed by the UvrABC excinuclease system, which carries out nucleotide excision repair. Three different complexes are formed by the 3 proteins as they proceed through the excision repair process. First a complex consisting of two A subunits and two B subunits bind DNA and unwind it around the damaged site. Then, the A subunits disassociate leaving behind a stable complex between B subunits and DNA. Now, subunit C binds to this B+DNA complex and causes subunit B to nick the DNA on one side of the complex while subunit C nicks the DNA on the other side of the complex. DNA polymerase I and DNA ligase can then repair the resulting gap.[ PubMed:12145219 PubMed:15192705 ]
Also Known As "excinuclease ABC complex" ; "UvrABC excinuclease complex"
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catalytic complex
 |__DNA repair complex_____________
endonuclease complex               |
 |__endodeoxyribonuclease complex__|
                                   excinuclease repair complex
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Is a endodeoxyribonuclease complex
DNA repair complex
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Synonyms
  • "excinuclease ABC complex" EXACT
    "UvrABC excinuclease complex" EXACT
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