the enzymes studied were prolyl endopeptidase ( ec 3.4.21.26 ) , a soluble metalloendopeptidase , pyroglutamyl peptide hydrolase ( ec 3.4.11.8 ) , a multicatalytic protease complex , cathepsin b ( ec 3.4.22.1 ) , cathepsin d ( ec 3.4.23.5 ) , aminopeptidase ( ec 3.4.11.2 ) , and a membrane-bound neutral metalloendopeptidase ( ec 3.4.24.11 ) .
C0034307
pyroglutamyl peptide hydrolase
C0002570
aminopeptidase