_EC 6.2.-.- Forming carbon-sulfur bonds. 354 PDB entries  
EC 6.-.-.- Ligases. [3,414 PDB entries]
EC 6.2.-.- Forming carbon-sulfur bonds. [354 PDB entries]
EC 6.2.1.- Acid--thiol ligases. [354 PDB entries]
EC 6.2.2.- Amide--thiol ligases. [-]

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