occurs in lysosome protein catabolic process in the vacuole protein catabolic process lysosomal protein catabolic process lysosomal proteolysis Any cellular protein catabolic process that takes place in a lysosome. GO:1905146 lysosomal protein degradation Also consider annotating to the term 'autophagy ; GO:0006914' or one of its descendants. 2016-04-14T12:50:34Z biological_process cellular protein catabolism in lysosome cellular protein degradation in lysosome cellular protein breakdown in lysosome lysosomal protein catabolism proteolysis within lysosome cellular protein catabolic process in lysosome