Proteins delivered by endocytosis or autophagy to lysosomes are degraded by exo- and endoproteases. In humans there are 15 lysosomal cathepsins (CTS) that act as important physiological regulators. The cysteine proteases CTSB and CTSL and the aspartic protease CTSD are the most abundant lysosomal pr...
ORGANISM(S): Homo sapiens (Human)