... outside these regions, and theunique tripeptidase speci®city of peptidase T, suggested thatthe structure of the two enzymes would in part differ. Wereport the three-dimensional structure of ... CPA. The similarity between the structure of t hesecond domain in CG2 and peptidase T extends to theinterchain contacts around the twofold crystallographic axis of the two structures . This ... onditions, however, the pepTgene is induced, leading to levels of peptidase T that allow i t to participate in the catabolism of tripeptides [5,6]. It hasbeen speculated t hat this pattern of...