Reaction catalyzed by mannosyl-oligosaccharide 1,3-1,6-alpha-mannosidase (3.2.1.114)
+
2
H2O
=
+
2
Man5GlcNAc3-[protein]
+
2 H2O
=
Man3GlcNAc3-[protein]
+
2 alpha-D-mannopyranose