GO:0010466 negative regulation of peptidase activity AnnotationPropagation P GO:0030414 peptidase inhibitor activity IDA GO:0043657 host cell AnnotationPropagation C GO:0075733 intracellular transport of virus IMP GO:2000116 regulation of cysteine-type endopeptidase activity FoldBasedPredictor GO:0010447 response to acidic pH regulates GO:0004197 cysteine-type endopeptidase activity IDA