PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 11936259-2 2002 So, this fundamental process must be balanced by so far unknown mechanisms, involving caspases (cysteine proteases, cleaving the protein substrate after an aspartate residue). Aspartic Acid 156-165 caspase 9 Homo sapiens 86-94