_EC 6.3.2.0 ????? 0 PDB entries  
EC 6.-.-.- Ligases. [1,591 PDB entries]
EC 6.3.-.- Forming carbon-nitrogen bonds. [803 PDB entries]
EC 6.3.2.- Acid--amino-acid ligases (peptide synthases). [339 PDB entries]    
EC 6.3.2.0 ????? [-]

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