_EC 3.4.16.- Serine-type carboxypeptidases. 92 PDB entries  
EC 3.-.-.- Hydrolases. [21,057 PDB entries]
EC 3.4.-.- Acting on peptide bonds (peptide hydrolases). [6,846 PDB entries]
EC 3.4.16.- Serine-type carboxypeptidases. [92 PDB entries]    
EC 3.4.16.1 Transferred entry: 3.4.16.5 and 3.4.16.6. [-]
EC 3.4.16.2 Lysosomal Pro-Xaa carboxypeptidase. [1 PDB entries]
EC 3.4.16.3 Transferred entry: 3.4.16.5 and 3.4.16.6. [-]
EC 3.4.16.4 Serine-type D-Ala-D-Ala carboxypeptidase. [74 PDB entries]
EC 3.4.16.5 Carboxypeptidase C. [11 PDB entries]
EC 3.4.16.6 Carboxypeptidase D. [6 PDB entries]

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