AU019505,carboxypeptidase C,carboxypeptidase L,Cathepsin A,lysosomal protective protein,P,Pp,PPCA,Ppgb,protective protein cathepsin A,protective protein for beta-galactosidase.
Protective protein appears to be essential for both the activity of beta-galactosidase and neuraminidase, it associates with these enzymes and exerts a protective function necessary for their stability and activity. This protein is also a carboxypeptidase and can deamidate tachykinins.