4tqs

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Ternary complex of Y-family DNA polymerase Dpo4 with (5'S)-8,5'-Cyclo-2'-deoxyguanosine and dCTPTernary complex of Y-family DNA polymerase Dpo4 with (5'S)-8,5'-Cyclo-2'-deoxyguanosine and dCTP

Structural highlights

4tqs is a 6 chain structure. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Ligands:, ,
NonStd Res:
Activity:DNA-directed DNA polymerase, with EC number 2.7.7.7
Resources:FirstGlance, OCA, RCSB, PDBsum

Function

[DPO4_SULSO] 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.[HAMAP-Rule:MF_01113]

4tqs, resolution 2.06Å

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OCA