CATH Classification

Domain Context

CATH Clusters

Superfamily Ribonuclease H-like superfamily/Ribonuclease H
Functional Family Three prime repair exonuclease 1

Enzyme Information

3.1.11.2
Exodeoxyribonuclease III.
based on mapping to UniProt Q91XB0
Exonucleolytic cleavage in the 3'- to 5'-direction to yield nucleoside 5'-phosphates.
-!- Preference for double-stranded DNA. -!- Has endonucleolytic activity near apurinic sites on DNA. -!- Similar enzyme: Haemophilus influenzae exonuclease. -!- Formerly EC 3.1.4.27.

UniProtKB Entries (1)

Q91XB0
TREX1_MOUSE
Mus musculus
Three-prime repair exonuclease 1

PDB Structure

PDB 4YNQ
External Links
Method X-RAY DIFFRACTION
Organism
Primary Citation
Exonuclease TREX1 degrades double-stranded DNA to prevent spontaneous lupus-like inflammatory disease.
Grieves, J.L., Fye, J.M., Harvey, S., Grayson, J.M., Hollis, T., Perrino, F.W.
Proc.Natl.Acad.Sci.USA