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DNA polymerase IV

UniProtKB accession:  Q97W02
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Go to UniProtKB:  Q97W02
UniProtKB description:  Poorly processive, error-prone DNA polymerase involved in untargeted mutagenesis. Copies undamaged DNA at stalled replication forks, which arise in vivo from mismatched or misaligned primer ends. These misaligned primers can be extended by PolIV. Exhibits no 3'-5' exonuclease (proofreading) activity. It is involved in translesional synthesis.
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