Protein UmuD
UniProtKB accession: P0AG11
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Go to UniProtKB: P0AG11
UniProtKB description: Involved in UV protection and mutation. Poorly processive, error-prone DNA polymerase involved in translesion repair (PubMed:10801133). Essential for induced (or SOS) mutagenesis. Able to replicate DNA across DNA lesions (thymine photodimers and abasic sites, called translesion synthesis) in the presence of activated RecA; efficiency is maximal in the presence of the beta sliding-clamp and clamp-loading complex of DNA polymerase III plus single-stranded binding protein (SSB) (PubMed:10801133). RecA and to a lesser extent the beta clamp-complex may target Pol V to replication complexes stalled at DNA template lesions (PubMed:10801133).
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