_EC 5.4.1.- Transferring acyl groups. 9 PDB entries  
EC 5.-.-.- Isomerases. [5,301 PDB entries]
EC 5.4.-.- Intramolecular transferases. [767 PDB entries]
EC 5.4.1.- Transferring acyl groups. [9 PDB entries]
EC 5.4.1.1 lysolecithin acylmutase. [-]
EC 5.4.1.2 Transferred entry: 5.4.99.61. [6 PDB entries]
EC 5.4.1.3 2-methylfumaryl-CoA isomerase. [2 PDB entries]
EC 5.4.1.4 D-galactarolactone isomerase. [1 PDB entries]

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