The hydrolysis of a peptide bond or bonds within a protein [goid 6508] [pmid 10993067] [evidence NAS]; The proteolytic cleavage of transmembrane proteins and release of their ectodomain (extracellular domain) [goid 6509] [pmid 15274632] [evidence IDA]; The series of successive proteolytic cleavage events that take place after a Notch receptor binds a ligand, and which lead to the release of the Notch Intracellular Domain (NICD), which is the active form of the receptor [goid 7220] [pmid 15274632] [evidence TAS]; The posttranslational modification of a protein, particularly secretory proteins and proteins targeted for membranes or specific cellular locations [goid 16485] [pmid 15274632] [evidence IDA]; The chemical reactions and pathways resulting in the breakdown of amyloid precursor protein (APP), the precursor of beta-amyloid, a glycoprotein associated with Alzheimer's disease [goid 42987] [pmid 15274632] [evidence TAS]; Any process that activates or increases the activity of an enzyme [goid 43085] [pmid 15274632] [evidence IDA]; The posttranslational modification of a protein, particularly secretory proteins and proteins targeted for membranes or specific cellular locations [goid 16485] [evidence IEA]; The posttranslational modification of a protein, particularly secretory proteins and proteins targeted for membranes or specific cellular locations [goid 16485] [evidence IEA]; The posttranslational modification of a protein, particularly secretory proteins and proteins targeted for membranes or specific cellular locations [goid 16485] [evidence IEA]; The posttranslational modification of a protein, particularly secretory proteins and proteins targeted for membranes or specific cellular locations [goid 16485] [evidence IEA]; The posttranslational modification of a protein, particularly secretory proteins and proteins targeted for membranes or specific cellular locations [goid 16485] [evidence IEA]; The posttranslational modification of a protein, particularly secretory proteins and proteins targeted for membranes or specific cellular locations [goid 16485] [evidence IEA]