Reaction catalyzed by Xaa-methyl-His dipeptidase (3.4.13.5), cytosol nonspecific dipeptidase (3.4.13.18), beta-Ala-His dipeptidase (3.4.13.20) show all sequences for 3.4.13.20
+
H2O
=
+
Gly-His
+
H2O
=
Gly
+
His