PDE11

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Phosphodiesterase type 11 (PDE11) is a type of phosphodiesterase enzyme.{{Cite journal |last=Kelly |first=Michy P. |date=2017 |title=A Role for Phosphodiesterase 11A (PDE11A) in the Formation of Social Memories and the Stabilization of Mood |journal=Advances in Neurobiology |volume=17 |pages=201–230 |doi=10.1007/978-3-319-58811-7_8 |issn=2190-5215 |pmc=5652326 |pmid=28956334|isbn=978-3-319-58809-4 }}

An inhibitor is BC11-38 & Tadalafil.