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  Domain Name: DNA_polB_like2_exo
Uncharacterized bacterial subgroup of the DEDDy 3'-5' exonuclease domain of family-B DNA polymerases. A subfamily of the 3'-5' exonuclease domain of family-B DNA polymerases. This subfamily is composed of uncharacterized bacterial family-B DNA polymerases. Family-B DNA polymerases contain an N-terminal DEDDy DnaQ-like exonuclease domain in the same polypeptide chain as the polymerase domain, similar to family-A DNA polymerases. This exonuclease domain contains three sequence motifs termed ExoI, ExoII and ExoIII, with a specific YX(3)D pattern at ExoIII. These motifs are involved in metal binding and catalysis. The exonuclease domain of family-B DNA polymerases has a fundamental role in proofreading activity. It contains a beta hairpin structure that plays an important role in active site switching in the event of a nucleotide misincorporation. Family-B DNA polymerases are predominantly involved in DNA replication and DNA repair.
No pairwise interactions are available for this conserved domain.

Total Mutations Found: 5
Total Disease Mutations Found: 2
This domain occurred 1 times on human genes (3 proteins).



  COLORECTAL CANCER, SUSCEPTIBILITY TO, 10


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Range on the Protein:  

   Protein ID            Protein Position

Domain Position:  


Feature Name:Total Found:
active site
catalytic site
substrate binding site













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Please Cite: Peterson, T.A., Adadey, A., Santana-Cruz ,I., Sun, Y., Winder A, Kann, M.G., (2010) DMDM: Domain Mapping of Disease Mutations. Bioinformatics 26 (19), 2458-2459.

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