The Trichoderma atroviride PNGase Png1 is predicted to be an inactive enzyme.
The T. atroviride Eng18A ENGase is an N-glycosylated protein.
The T. atroviride Eng18A and Eng18B ENGases are active deglycosylating enzymes.
The T. atroviride Eng18B ENGase, is proposed to act in the ERAD process.