A protein complex that contains one or more cysteine-type endopeptidases (also called caspases), which give the complex a peptidase activity with specificity for the hydrolysis of aspartyl bonds. These complexes may be involved e.g. in apoptotic or inflammation processes. [ GOC:cna http://www.ncbi.nlm.nih.gov/pubmed/15569692 GOC:mtg_apoptosis ]