This gene is a member of the type IV, cyclic AMP (cAMP)-specific, cyclic nucleotide phosphodiesterase (PDE) family. Cyclic nucleotides are important second messengers that regulate and mediate a number of cellular responses to extracellular signals, such as hormones, light, and neurotransmitters. The cyclic nucleotide phosphodiesterases (PDEs) regulate the cellular concentrations of cyclic nucleotides and thereby play a role in signal transduction. This gene encodes a protein that specifically hydrolyzes cAMP. Altered activity of this protein has been associated with schizophrenia and bipolar affective disorder. Alternate transcriptional splice variants, encoding different isoforms, have been characterized.
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Protein Aliases: cAMP-specific 3',5'-cyclic phosphodiesterase 4B; DKFZp686F2182; DPDE4; dunce-like phosphodiesterase E4; MGC126529; MGC93193; OTTHUMP00000046896; PDE32; phosphodiesterase 4B, cAMP-specific (phosphodiesterase E4 dunce homolog, Drosophila); RP5-876C12.1
Gene Aliases: DPDE4; PDE4B; PDEIVB
UniProt ID: (Human) Q07343
Entrez Gene ID: (Human) 5142
Molecular Function: phosphodiesterase