CATH Classification

Domain Context

CATH Clusters

Superfamily Beta Polymerase, domain 2
Functional Family DNA polymerase beta

Enzyme Information

4.2.99.-
Other carbon-oxygen lyases.
based on mapping to UniProt P06766
2.7.7.7
DNA-directed DNA polymerase.
based on mapping to UniProt P06766
Deoxynucleoside triphosphate + DNA(n) = diphosphate + DNA(n+1).
-!- Catalyzes DNA-template-directed extension of the 3'-end of a DNA strand by one nucleotide at a time. -!- Cannot initiate a chain de novo. -!- Requires a primer which may be DNA or RNA. -!- See also EC 2.7.7.49.

UniProtKB Entries (2)

P06766
DPOLB_RAT
Rattus norvegicus
DNA polymerase beta
P18887
XRCC1_HUMAN
Homo sapiens
DNA repair protein XRCC1

PDB Structure

PDB 3K75
External Links
Method X-RAY DIFFRACTION
Organism
Primary Citation
Oxidation state of the XRCC1 N-terminal domain regulates DNA polymerase beta binding affinity.
Cuneo, M.J., London, R.E.
Proc.Natl.Acad.Sci.USA
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