_EC 3.2.-.- Glycosylases. 2,572 PDB entries  
EC 3.-.-.- Hydrolases. [9,688 PDB entries]
EC 3.2.-.- Glycosylases. [2,572 PDB entries]
EC 3.2.1.- Glycosidases, i.e. enzymes hydrolyzing O- and S-glycosyl compound [2,362 PDB entries]
EC 3.2.2.- Hydrolyzing N-glycosyl compounds. [210 PDB entries]
EC 3.2.3.- (not defined) [-]

[-] signifies that there are no PDB entries for the given enzyme subclass