- Coproporphyrinogen Oxidase (CPOX)
- Lysophospholipase III (LYPLA3)
- Inosine 5'-Monophosphate Dehydrogenase 2 (IMPDH2)
- Phosphodiesterase 1A, Calmodulin Dependent (PDE1A)
- Phosphodiesterase 1B, Calmodulin Dependent (PDE1B)
- Phosphodiesterase 1C, Calmodulin Dependent (PDE1C)
- Phosphodiesterase 2A, cGMP Stimulated (PDE2A)
- Phosphodiesterase 3A, cGMP Inhibited (PDE3A)
- Phosphodiesterase 3B, cGMP Inhibited (PDE3B)
- Phosphodiesterase 4A, cAMP Specific (PDE4A)
- Phosphodiesterase 4B, cAMP Specific (PDE4B)
- Phosphodiesterase 4C, cAMP Specific (PDE4C)
- Phosphodiesterase 4D, cAMP Specific (PDE4D)
- Phosphodiesterase 5A, cGMP Specific (PDE5A)
- Phosphodiesterase 6A, cGMP Specific (PDE6A)
