Reaction catalyzed by 3-deoxyoctulosonase (3.2.1.144)
+
H2O
=
+
4-methylumbelliferyl 3-deoxy-alpha-D-manno-2-octulopyranosidonic acid
+
H2O
=
3-deoxy-D-manno-octulosonic acid
+
4-methylumbelliferone