3.4.22.25	preferential cleavage: Gly-/-, in proteins and small molecule substrates	-	-	
3.4.22.25	preferential cleavage: Gly-/-, in proteins and small molecule substrates	specific for Gly at posotion P1 due to an exchange conserved residues Gly23 to Glu and Gly65 to Arg, 2 free thiol functions of cysteinyl residues are essential for the catalytic competence of the enzyme	652619