_EC 2.3.1.0 ????? 0 PDB entries  
EC 2.-.-.- Transferases. [47,929 PDB entries]
EC 2.3.-.- Acyltransferases. [6,172 PDB entries]
EC 2.3.1.- Transferring groups other than amino-acyl groups. [3,268 PDB entries]
EC 2.3.1.0 ????? [-]

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