ID 3.4.14.9 DE tripeptidyl-peptidase I. AN tripeptidyl aminopeptidase. AN tripeptidyl peptidase. CA Release of an N-terminal tripeptide from a polypeptide, but also has CA endopeptidase activity. CC -!- A lysosomal enzyme that is active at acidic pH. CC -!- Belongs to peptidase family S53. CC -!- Formerly EC 3.4.14.8. DR Q0V8B6, TPP1_BOVIN ; Q9XSB8, TPP1_CANLF ; F8W2M8, TPP1_DANRE ; DR Q55CT0, TPP1_DICDI ; O14773, TPP1_HUMAN ; Q60HH1, TPP1_MACFA ; DR O89023, TPP1_MOUSE ; Q5IS74, TPP1_PANTR ; Q5RFL1, TPP1_PONAB ; DR Q9EQV6, TPP1_RAT ; //