The human TREX2 3' -> 5'-exonuclease structure suggests a mechanism for efficient nonprocessive DNA catalysis.
Perrino FW, Harvey S, McMillin S, Hollis T. The human TREX2 3' -> 5'-exonuclease structure suggests a mechanism for efficient nonprocessive DNA catalysis. J Biol Chem. 2005 Apr 15; 280(15):15212-8.