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. May be involved in translesional synthesis, in conjunction with the beta clamp from PolIII. DNA polymerase IV Protein, Colwellia psychrerythraea, Recombinant (His) is expressed in E. coli expression system with N-6xHis tag. The predicted molecular weight is 43.3 kDa and the accession number is Q487H6.
Molecular Weight:
43.3 kDa (predicted)
TMPH-00426
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