Phosphodiesterase Type 4

**Semantic type:** Amino Acid, Peptide, or Protein|Enzyme

**Definition:** A family of phosphodiesterases that hydrolyze cyclic AMP to form AMP. This enzyme family is the primary cyclic nucleotide phosphodiesterase expressed by immune cells.

**Synonyms:** - 3',5'-Cyclic-AMP 5'-Nucleotidohydrolase Type 4 - 3',5'-Cyclic-AMP Phosphodiesterase Type 4 - PDE4 - cAMP-Specific 3',5'-Cyclic Phosphodiesterase 4 - cAMP-Specific PDE Type 4 - cAMP-Specific Phosphodiesterase 4 - cAMP-Specific Phosphodiesterase Type 4