Harmonizome 3.0

RNA 2',3'-cyclic phosphate and 5'-OH ligase

Enables RNA ligase (GTP) activity and vinculin binding activity. Involved in tRNA splicing, via endonucleolytic cleavage and ligation. Located in cytosol and nucleoplasm. Part of tRNA-splicing ligase complex. [provided by Alliance of Genome Resources, Mar 2025]

cyclic GMP-AMP synthase

Enables several functions, including 2',3'-cyclic GMP-AMP synthase activity; molecular condensate scaffold activity; and phosphatidylinositol-4,5-bisphosphate binding activity. Involved in several processes, including defense response to symbiont; intracellular signal transduction; and regulation of defense response. Located in nuclear body; plasma membrane; and site of double-strand break. Is active in cytosol and nucleus. [provided by Alliance of Genome Resources, Mar 2025]

calmodulin 2 (phosphorylase kinase, delta)

This gene is a member of the calmodulin gene family. There are three distinct calmodulin genes dispersed throughout the genome that encode the identical protein, but differ at the nucleotide level. Calmodulin is a calcium binding protein that plays a role in signaling pathways, cell cycle progression and proliferation. Several infants with severe forms of long-QT syndrome (LQTS) who displayed life-threatening ventricular arrhythmias together with delayed neurodevelopment and epilepsy were found to have mutations in either this gene or another member of the calmodulin gene family (PMID:23388215). Mutations in this gene have also been identified in patients with less severe forms of LQTS (PMID:24917665), while mutations in another calmodulin gene family member have been associated with catecholaminergic polymorphic ventricular tachycardia (CPVT)(PMID:23040497), a rare disorder thought to be the cause of a significant fraction of sudden cardiac deaths in young individuals. Pseudogenes of this gene are found on chromosomes 10, 13, and 17. Alternative splicing results in multiple transcript variants encoding different isoforms. [provided by RefSeq, Mar 2015]

calmodulin 3 (phosphorylase kinase, delta)

This gene encodes a member of a family of proteins that binds calcium and functions as a enzymatic co-factor. Activity of this protein is important in the regulation of the cell cycle and cytokinesis. Multiple alternatively spliced transcript variants have been observed at this gene. [provided by RefSeq, Aug 2016]

calmodulin 1 (phosphorylase kinase, delta)

This gene encodes one of three calmodulin proteins which are members of the EF-hand calcium-binding protein family. Calcium-induced activation of calmodulin regulates and modulates the function of cardiac ion channels. Two pseudogenes have been identified on chromosome 7 and X. Multiple transcript variants encoding different isoforms have been found for this gene.A missense mutation in the CALM1 gene has been associated with ventricular tachycardia.[provided by RefSeq, May 2020]

obscurin, cytoskeletal calmodulin and titin-interacting RhoGEF

The obscurin gene spans more than 150 kb, contains over 80 exons and encodes a protein of approximately 720 kDa. The encoded protein contains 68 Ig domains, 2 fibronectin domains, 1 calcium/calmodulin-binding domain, 1 RhoGEF domain with an associated PH domain, and 2 serine-threonine kinase domains. This protein belongs to the family of giant sacromeric signaling proteins that includes titin and nebulin, and may have a role in the organization of myofibrils during assembly and may mediate interactions between the sarcoplasmic reticulum and myofibrils. Alternatively spliced transcript variants encoding different isoforms have been identified. [provided by RefSeq, Jul 2008]

calmodulin regulated spectrin-associated protein 1

Enables microtubule minus-end binding activity and spectrin binding activity. Involved in several processes, including neuron projection development; regulation of cell morphogenesis; and regulation of microtubule polymerization. Located in microtubule minus-end. Implicated in complex cortical dysplasia with other brain malformations. [provided by Alliance of Genome Resources, Mar 2025]

striatin, calmodulin binding protein pseudogene

calmodulin 2 (phosphorylase kinase, delta) pseudogene

calmodulin binding transcription activator 2

The protein encoded by this gene is a member of the calmodulin-binding transcription activator protein family. Members of this family share a common domain structure that consists of a transcription activation domain, a DNA-binding domain, and a calmodulin-binding domain. The encoded protein may be a transcriptional coactivator of genes involved in cardiac growth. Alternate splicing results in multiple transcript variants.[provided by RefSeq, Jan 2010]

calmodulin binding transcription activator 1

The protein encoded by this gene contains a CG1 DNA-binding domain, a transcription factor immunoglobulin domain, ankyrin repeats, and calmodulin-binding IQ motifs. The encoded protein is thought to be a transcription factor and may be a tumor suppressor. However, a translocation event is sometimes observed between this gene and the WWTR1 gene, with the resulting WWTR1-CAMTA1 oncoprotein leading to epithelioid hemangioendothelioma, a malignant vascular cancer. [provided by RefSeq, Mar 2017]

calmodulin-lysine N-methyltransferase

This gene encodes a class I protein methyltransferase that acts in the formation of trimethyllysine in calmodulin. The protein contains a AdoMet-binding motif and may play a role in calcium-dependent signaling. [provided by RefSeq, Sep 2012]

calmodulin-like 3

Predicted to enable calcium ion binding activity. Located in extracellular exosome. [provided by Alliance of Genome Resources, Mar 2025]

calmodulin-like 6

Predicted to enable calcium ion binding activity and enzyme regulator activity. Predicted to be involved in microtubule cytoskeleton organization. Predicted to be located in nucleus. Predicted to be active in cytoplasm. [provided by Alliance of Genome Resources, Mar 2025]

calmodulin-like 5

This gene encodes a novel calcium binding protein expressed in the epidermis and related to the calmodulin family of calcium binding proteins. Functional studies with recombinant protein demonstrate it does bind calcium and undergoes a conformational change when it does so. Abundant expression is detected only in reconstructed epidermis and is restricted to differentiating keratinocytes. In addition, it can associate with transglutaminase 3, shown to be a key enzyme in the terminal differentiation of keratinocytes. [provided by RefSeq, Jul 2008]

calmodulin-like 4

Enables myosin head/neck binding activity. Involved in brush border assembly. Located in microvillus. [provided by Alliance of Genome Resources, Mar 2025]

calmodulin 1 (phosphorylase kinase, delta) pseudogene 1

calmodulin 1 (phosphorylase kinase, delta) pseudogene 2

striatin, calmodulin binding protein

Enables armadillo repeat domain binding activity; nuclear estrogen receptor binding activity; and protein phosphatase 2A binding activity. Involved in Wnt signaling pathway and negative regulation of cell population proliferation. Located in bicellular tight junction. Part of FAR/SIN/STRIPAK complex. [provided by Alliance of Genome Resources, Mar 2025]

calmodulin regulated spectrin-associated protein family, member 2

Enables microtubule minus-end binding activity. Involved in several processes, including axon development; regulation of dendrite development; and regulation of organelle organization. Located in Golgi apparatus; cytosol; and microtubule cytoskeleton. [provided by Alliance of Genome Resources, Mar 2025]

calmodulin regulated spectrin-associated protein family, member 3

Enables actin filament binding activity and microtubule minus-end binding activity. Involved in several processes, including microtubule cytoskeleton organization; regulation of organelle organization; and zonula adherens maintenance. Located in cytoplasm; microtubule cytoskeleton; and zonula adherens. [provided by Alliance of Genome Resources, Mar 2025]

calmodulin 2 pseudogene 4

calmodulin 2 pseudogene 2

calmodulin 2 pseudogene 3

calmodulin 2 pseudogene 1

striatin, calmodulin binding protein 4

Enables armadillo repeat domain binding activity; protein phosphatase 2A binding activity; and protein-macromolecule adaptor activity. Involved in negative regulation of hippo signaling. Part of FAR/SIN/STRIPAK complex. [provided by Alliance of Genome Resources, Mar 2025]

striatin, calmodulin binding protein 3

Enables armadillo repeat domain binding activity; enzyme binding activity; and protein-macromolecule adaptor activity. Involved in negative regulation of hippo signaling; negative regulation of transcription by RNA polymerase II; and positive regulation of transcription by RNA polymerase II. Located in Golgi apparatus; nucleoplasm; and plasma membrane. Part of FAR/SIN/STRIPAK complex. [provided by Alliance of Genome Resources, Mar 2025]

sphingomyelin phosphodiesterase 5

Predicted to enable sphingomyelin phosphodiesterase activity. Predicted to be involved in ceramide biosynthetic process and sphingomyelin catabolic process. Predicted to act upstream of or within ceramide metabolic process. Predicted to be located in endoplasmic reticulum membrane and mitochondrial membrane. [provided by Alliance of Genome Resources, Mar 2025]

sphingomyelin phosphodiesterase 4, neutral membrane (neutral sphingomyelinase-3)

The protein encoded by this gene is a sphingomyelinase that catalyzes the hydrolysis of membrane sphingomyelin to form phosphorylcholine and ceramide. This gene is activated by DNA damage, cellular stress, and tumor necrosis factor, but it is downregulated by wild-type p53. The encoded protein localizes to the endoplasmic reticulum and Golgi network. [provided by RefSeq, Mar 2017]

sphingomyelin phosphodiesterase 1, acid lysosomal

The protein encoded by this gene is a lysosomal acid sphingomyelinase that converts sphingomyelin to ceramide. The encoded protein also has phospholipase C activity. Defects in this gene are a cause of Niemann-Pick disease type A (NPA) and Niemann-Pick disease type B (NPB). Multiple transcript variants encoding different isoforms have been identified. [provided by RefSeq, Jul 2010]

sphingomyelin phosphodiesterase 3, neutral membrane (neutral sphingomyelinase II)

Enables sphingomyelin phosphodiesterase activity. Involved in sphingomyelin catabolic process. Predicted to be located in plasma membrane. Predicted to be active in cytoplasm. Biomarker of pulmonary emphysema. [provided by Alliance of Genome Resources, Mar 2025]

sphingomyelin phosphodiesterase 2, neutral membrane (neutral sphingomyelinase)

This gene encodes a protein which was initially identified as a sphingomyelinase based on sequence similarity between bacterial sphingomyelinases and a yeast protein. Subsequent studies showed that its biological function is less likely to be as a sphingomyelinase and instead as a lysophospholipase. [provided by RefSeq, Oct 2009]

phosphodiesterase 11A

The 3',5'-cyclic nucleotides cAMP and cGMP function as second messengers in a wide variety of signal transduction pathways. 3',5'-cyclic nucleotide phosphodiesterases (PDEs) catalyze the hydrolysis of cAMP and cGMP to the corresponding 5'-monophosphates and provide a mechanism to downregulate cAMP and cGMP signaling. This gene encodes a member of the PDE protein superfamily. Mutations in this gene are a cause of Cushing disease and adrenocortical hyperplasia. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jul 2008]

glycerophosphodiester phosphodiesterase domain containing 2

This gene encodes a member of the glycerophosphodiester phosphodiesterase enzyme family. The encoded protein hydrolyzes glycerophosphoinositol to produce inositol 1-phosphate and glycerol. This protein may have a role in osteoblast differentiation and growth. Alternate splicing results in multiple transcript variants. [provided by RefSeq, Jan 2010]

glycerophosphodiester phosphodiesterase domain containing 3

Enables phosphoric diester hydrolase activity. Involved in N-acylethanolamine metabolic process. Located in endoplasmic reticulum. [provided by Alliance of Genome Resources, Mar 2025]

glycerophosphodiester phosphodiesterase domain containing 4

Predicted to enable glycerophosphodiester phosphodiesterase activity. Predicted to be involved in lipid metabolic process. Predicted to be active in membrane. [provided by Alliance of Genome Resources, Mar 2025]

glycerophosphodiester phosphodiesterase domain containing 5

Predicted to enable glycerophosphodiester phosphodiesterase activity. Predicted to be involved in negative regulation of Notch signaling pathway; positive regulation of cell cycle; and positive regulation of neuron differentiation. Predicted to act upstream of or within neuron differentiation and regulation of timing of cell differentiation. Predicted to be located in axon; neuronal cell body; and perinuclear endoplasmic reticulum. Predicted to be active in plasma membrane. [provided by Alliance of Genome Resources, Mar 2025]

phosphodiesterase 7A

The protein encoded by this gene belongs to the cyclic nucleotide phosphodiesterase (PDE) family, and PDE7 subfamily. This PDE hydrolyzes the second messenger, cAMP, which is a regulator and mediator of a number of cellular responses to extracellular signals. Thus, by regulating the cellular concentration of cAMP, this protein plays a key role in many important physiological processes. Alternatively spliced transcript variants encoding different isoforms have been described for this gene. [provided by RefSeq, Jul 2011]

tyrosyl-DNA phosphodiesterase 2

This gene encodes a member of a superfamily of divalent cation-dependent phosphodiesterases. The encoded protein associates with CD40, tumor necrosis factor (TNF) receptor-75 and TNF receptor associated factors (TRAFs), and inhibits nuclear factor-kappa-B activation. This protein has sequence and structural similarities with APE1 endonuclease, which is involved in both DNA repair and the activation of transcription factors. [provided by RefSeq, Jul 2008]

phosphodiesterase 4D interacting protein pseudogene

tyrosyl-DNA phosphodiesterase 1

The protein encoded by this gene is involved in repairing stalled topoisomerase I-DNA complexes by catalyzing the hydrolysis of the phosphodiester bond between the tyrosine residue of topoisomerase I and the 3-prime phosphate of DNA. This protein may also remove glycolate from single-stranded DNA containing 3-prime phosphoglycolate, suggesting a role in repair of free-radical mediated DNA double-strand breaks. This gene is a member of the phospholipase D family and contains two PLD phosphodiesterase domains. Mutations in this gene are associated with the disease spinocerebellar ataxia with axonal neuropathy (SCAN1). [provided by RefSeq, Aug 2016]

phosphodiesterase 2A, cGMP-stimulated

Enables several functions, including 3',5'-cyclic-nucleotide phosphodiesterase activity; anion binding activity; and metal ion binding activity. Involved in several processes, including cellular response to cytokine stimulus; regulation of signal transduction; and regulation of vascular permeability. Located in several cellular components, including cytosol; mitochondrial membrane; and perinuclear region of cytoplasm. [provided by Alliance of Genome Resources, Mar 2025]

ectonucleotide pyrophosphatase/phosphodiesterase 7 pseudogene 13

ectonucleotide pyrophosphatase/phosphodiesterase 7 pseudogene 11

phosphodiesterase 4D interacting protein-like

phosphodiesterase 8B pseudogene

glycerophosphocholine phosphodiesterase GDE1 homolog (S. cerevisiae) pseudogene

phosphodiesterase 4D interacting protein pseudogene

glycerophosphodiester phosphodiesterase domain containing 1

This gene encodes a member of the glycerophosphodiester phosphodiesterase family of enzymes that catalyze the hydrolysis of deacylated glycerophospholipids to glycerol phosphate and alcohol. The encoded protein is localized to the cytoplasm and concentrates near the perinuclear region. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Oct 2009]

phosphodiesterase 4D interacting protein pseudogene

phosphodiesterase 5A, cGMP-specific

This gene encodes a cGMP-binding, cGMP-specific phosphodiesterase, a member of the cyclic nucleotide phosphodiesterase family. This phosphodiesterase specifically hydrolyzes cGMP to 5'-GMP. It is involved in the regulation of intracellular concentrations of cyclic nucleotides and is important for smooth muscle relaxation in the cardiovascular system. Alternative splicing of this gene results in three transcript variants encoding distinct isoforms. [provided by RefSeq, Jul 2008]

ectonucleotide pyrophosphatase/phosphodiesterase family member 7-like

ectonucleotide pyrophosphatase/phosphodiesterase 7 pseudogene 9

ectonucleotide pyrophosphatase/phosphodiesterase 7 pseudogene 8

ectonucleotide pyrophosphatase/phosphodiesterase 7 pseudogene 2

ectonucleotide pyrophosphatase/phosphodiesterase 7 pseudogene 1

ectonucleotide pyrophosphatase/phosphodiesterase 7 pseudogene 7

ectonucleotide pyrophosphatase/phosphodiesterase 7 pseudogene 4

phosphodiesterase 10A

The protein encoded by this gene belongs to the cyclic nucleotide phosphodiesterase family. It plays a role in signal transduction by regulating the intracellular concentration of cyclic nucleotides. This protein can hydrolyze both cAMP and cGMP to the corresponding nucleoside 5' monophosphate, but has higher affinity for cAMP, and is more efficient with cAMP as substrate. Alternatively spliced transcript variants have been described for this gene. [provided by RefSeq, Dec 2011]

phosphodiesterase 8A

The protein encoded by this gene belongs to the cyclic nucleotide phosphodiesterase (PDE) family, and PDE8 subfamily. This PDE hydrolyzes the second messenger, cAMP, which is a regulator and mediator of a number of cellular responses to extracellular signals. Thus, by regulating the cellular concentration of cAMP, this protein plays a key role in many important physiological processes. Alternatively spliced transcript variants encoding different isoforms have been found for this gene.[provided by RefSeq, Jul 2011]

phosphodiesterase 8B

The protein encoded by this gene is a cyclic nucleotide phosphodiesterase (PDE) that catalyzes the hydrolysis of the second messenger cAMP. The encoded protein, which does not hydrolyze cGMP, is resistant to several PDE inhibitors. Defects in this gene are a cause of autosomal dominant striatal degeneration (ADSD). Several transcript variants encoding different isoforms have been found for this gene.[provided by RefSeq, Jul 2010]

phosphodiesterase 4D interacting protein-like

phosphodiesterase 4D interacting protein pseudogene 1

glycerophosphodiester phosphodiesterase 1

Predicted to enable glycerophosphodiester phosphodiesterase activity; glycerophosphoinositol glycerophosphodiesterase activity; and lysophospholipase activity. Predicted to be involved in N-acylethanolamine metabolic process; ethanolamine metabolic process; and phospholipid metabolic process. Predicted to be located in membrane. Predicted to be active in plasma membrane. [provided by Alliance of Genome Resources, Mar 2025]

phosphodiesterase 4D interacting protein

The protein encoded by this gene serves to anchor phosphodiesterase 4D to the Golgi/centrosome region of the cell. Defects in this gene may be a cause of myeloproliferative disorder (MBD) associated with eosinophilia. Several transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Aug 2010]

phosphodiesterase 3A, cGMP-inhibited

This gene encodes a member of the cGMP-inhibited cyclic nucleotide phosphodiesterase (cGI-PDE) family. cGI-PDE enzymes hydrolyze both cAMP and cGMP, and play critical roles in many cellular processes by regulating the amplitude and duration of intracellular cyclic nucleotide signals. The encoded protein mediates platelet aggregation and also plays important roles in cardiovascular function by regulating vascular smooth muscle contraction and relaxation. Inhibitors of the encoded protein may be effective in treating congestive heart failure. Alternatively spliced transcript variants encoding multiple isoforms have been observed for this gene. [provided by RefSeq, Sep 2011]

phosphodiesterase 3B, cGMP-inhibited

Enables 3',5'-cyclic-AMP phosphodiesterase activity. Involved in several processes, including negative regulation of angiogenesis; negative regulation of lipid catabolic process; and regulation of phosphatidylinositol 3-kinase/protein kinase B signal transduction. Located in membrane. Part of guanyl-nucleotide exchange factor complex. [provided by Alliance of Genome Resources, Mar 2025]

phosphodiesterase 4D interacting protein-like

phosphodiesterase 7B

The 3',5'-cyclic nucleotides cAMP and cGMP function as second messengers in a wide variety of signal transduction pathways. 3',5'-cyclic nucleotide phosphodiesterases (PDEs) catalyze the hydrolysis of cAMP and cGMP to the corresponding 5'-monophosphates and provide a mechanism to downregulate cAMP and cGMP signaling. This gene encodes a cAMP-specific phosphodiesterase, a member of the cyclic nucleotide phosphodiesterase family.[provided by RefSeq, Apr 2009]

phosphodiesterase 4D interacting protein pseudogene

phosphodiesterase 6B, cGMP-specific, rod, beta

Photon absorption triggers a signaling cascade in rod photoreceptors that activates cGMP phosphodiesterase (PDE), resulting in the rapid hydrolysis of cGMP, closure of cGMP-gated cation channels, and hyperpolarization of the cell. PDE is a peripheral membrane heterotrimeric enzyme made up of alpha, beta, and gamma subunits. This gene encodes the beta subunit. Mutations in this gene result in retinitis pigmentosa and autosomal dominant congenital stationary night blindness. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Feb 2009]

phosphodiesterase 6C, cGMP-specific, cone, alpha prime

This gene encodes the alpha-prime subunit of cone phosphodiesterase, which is composed of a homodimer of two alpha-prime subunits and 3 smaller proteins of 11, 13, and 15 kDa. Mutations in this gene are associated with cone dystrophy type 4 (COD4). [provided by RefSeq, Mar 2010]

phosphodiesterase 6A, cGMP-specific, rod, alpha

This gene encodes the cyclic-GMP (cGMP)-specific phosphodiesterase 6A alpha subunit, expressed in cells of the retinal rod outer segment. The phosphodiesterase 6 holoenzyme is a heterotrimer composed of an alpha, beta, and two gamma subunits. cGMP is an important regulator of rod cell membrane current, and its dynamic concentration is established by phosphodiesterase 6A cGMP hydrolysis and guanylate cyclase cGMP synthesis. The protein is a subunit of a key phototransduction enzyme and participates in processes of transmission and amplification of the visual signal. Mutations in this gene have been identified as one cause of autosomal recessive retinitis pigmentosa. [provided by RefSeq, Jul 2008]

phosphodiesterase 6G, cGMP-specific, rod, gamma

This gene encodes the gamma subunit of cyclic GMP-phosphodiesterase, which is composed of alpha- and beta- catalytic subunits and two identical, inhibitory gamma subunits. This gene is expressed in rod photoreceptors and functions in the phototransduction signaling cascade. It is also expressed in a variety of other tissues, and has been shown to regulate the c-Src protein kinase and G-protein-coupled receptor kinase 2. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Feb 2009]

phosphodiesterase 6D, cGMP-specific, rod, delta

This gene encodes the delta subunit of rod-specific photoreceptor phosphodiesterase (PDE), a key enzyme in the phototransduction cascade. A similar protein in cow functions in solubilizing membrane-bound PDE. In addition to its role in the PDE complex, the encoded protein is thought to bind to prenyl groups of proteins to target them to subcellular organelles called cilia. Mutations in this gene are associated with Joubert syndrome-22. Alternative splicing results in multiple splice variants. [provided by RefSeq, Mar 2014]

phosphodiesterase 6H, cGMP-specific, cone, gamma

This gene encodes the inhibitory (or gamma) subunit of the cone-specific cGMP phosphodiesterase, which is a tetramer composed of two catalytic chains (alpha and beta), and two inhibitory chains (gamma). It is specifically expressed in the retina, and is involved in the transmission and amplification of the visual signal. Mutations in this gene are associated with retinal cone dystrophy type 3A (RCD3A). [provided by RefSeq, Mar 2010]

ectonucleotide pyrophosphatase/phosphodiesterase 6

Enables glycerophosphocholine cholinephosphodiesterase activity. Involved in choline metabolic process and lipid metabolic process. Located in extracellular region and plasma membrane. [provided by Alliance of Genome Resources, Mar 2025]

ectonucleotide pyrophosphatase/phosphodiesterase 7

The protein encoded by this gene is an intestinal alkaline sphingomyelin phosphodiesterase that converts sphingomyelin to ceramide and phosphocholine. The encoded protein is anchored in the cell membrane, and it may function to protect the intestinal mucosa from inflammation and tumorigenesis. This protein is glycosylated and also exhibits lysophosphatidylcholine hydrolase activity. [provided by RefSeq, Oct 2016]

ectonucleotide pyrophosphatase/phosphodiesterase 4 (putative)

Enables bis(5'-adenosyl)-triphosphatase activity. Involved in positive regulation of blood coagulation and purine ribonucleoside catabolic process. Located in extracellular exosome and membrane. [provided by Alliance of Genome Resources, Mar 2025]

ectonucleotide pyrophosphatase/phosphodiesterase 5 (putative)

This gene encodes a type-I transmembrane glycoprotein. Studies in rat suggest the encoded protein may play a role in neuronal cell communications. Alternatively spliced transcript variants have been described. [provided by RefSeq, Feb 2014]

ectonucleotide pyrophosphatase/phosphodiesterase 2

The protein encoded by this gene functions as both a phosphodiesterase, which cleaves phosphodiester bonds at the 5' end of oligonucleotides, and a phospholipase, which catalyzes production of lysophosphatidic acid (LPA) in extracellular fluids. LPA evokes growth factor-like responses including stimulation of cell proliferation and chemotaxis. This gene product stimulates the motility of tumor cells and has angiogenic properties, and its expression is upregulated in several kinds of carcinomas. The gene product is secreted and further processed to make the biologically active form. Several alternatively spliced transcript variants encoding different isoforms have been identified. [provided by RefSeq, Aug 2008]

ectonucleotide pyrophosphatase/phosphodiesterase 3

The protein encoded by this gene belongs to a series of ectoenzymes that are involved in hydrolysis of extracellular nucleotides. These ectoenzymes possess ATPase and ATP pyrophosphatase activities and are type II transmembrane proteins. Expression of the related rat mRNA has been found in a subset of immature glial cells and in the alimentary tract. The corresponding rat protein has been detected in the pancreas, small intestine, colon, and liver. The human mRNA is expressed in glioma cells, prostate, and uterus. Expression of the human protein has been detected in uterus, basophils, and mast cells. Two transcript variants, one protein coding and the other non-protein coding, have been found for this gene. [provided by RefSeq, Oct 2015]

ectonucleotide pyrophosphatase/phosphodiesterase 1

This gene is a member of the ecto-nucleotide pyrophosphatase/phosphodiesterase (ENPP) family. The encoded protein is a type II transmembrane glycoprotein comprising two identical disulfide-bonded subunits. This protein has broad specificity and cleaves a variety of substrates, including phosphodiester bonds of nucleotides and nucleotide sugars and pyrophosphate bonds of nucleotides and nucleotide sugars. This protein may function to hydrolyze nucleoside 5' triphosphates to their corresponding monophosphates and may also hydrolyze diadenosine polyphosphates. Mutations in this gene have been associated with 'idiopathic' infantile arterial calcification, ossification of the posterior longitudinal ligament of the spine (OPLL), and insulin resistance. [provided by RefSeq, Jul 2008]

ectonucleotide pyrophosphatase/phosphodiesterase 7 pseudogene 10

sphingomyelin phosphodiesterase, acid-like 3B

Enables phosphoric diester hydrolase activity. Predicted to be involved in membrane lipid catabolic process; negative regulation of inflammatory response; and negative regulation of toll-like receptor signaling pathway. Located in extracellular exosome. [provided by Alliance of Genome Resources, Mar 2025]

sphingomyelin phosphodiesterase, acid-like 3A

Enables phosphoric diester hydrolase activity and zinc ion binding activity. Involved in negative regulation of cGAS/STING signaling pathway and nucleoside triphosphate catabolic process. Located in extracellular exosome. Is active in extracellular space. [provided by Alliance of Genome Resources, Mar 2025]

sphingomyelin phosphodiesterase 4, neutral membrane (neutral sphingomyelinase-3) pseudogene 2

sphingomyelin phosphodiesterase 4, neutral membrane (neutral sphingomyelinase-3) pseudogene 1

phosphodiesterase 9A

The protein encoded by this gene catalyzes the hydrolysis of cAMP and cGMP to their corresponding monophosphates. The encoded protein plays a role in signal transduction by regulating the intracellular concentration of these cyclic nucleotides. Multiple transcript variants encoding several different isoforms have been found for this gene. [provided by RefSeq, Jul 2008]

phosphodiesterase 12

Enables poly(A)-specific ribonuclease activity. Involved in several processes, including cellular response to interferon-alpha; innate immune response; and mRNA catabolic process. Located in mitochondrial matrix. [provided by Alliance of Genome Resources, Mar 2025]

sphingomyelin phosphodiesterase 3, neutral membrane (neutral sphingomyelinase II) pseudogene

sphingomyelin phosphodiesterase 4, neutral membrane (neutral sphingomyelinase-3) pseudogene

phosphodiesterase 4D interacting protein pseudogene

glycerophosphocholine phosphodiesterase GDE1 homolog (S. cerevisiae)

Predicted to enable glycerophosphocholine phosphodiesterase activity. Predicted to be involved in glycerophospholipid catabolic process. Predicted to act upstream of or within skeletal muscle tissue development. Predicted to be located in cytosol. [provided by Alliance of Genome Resources, Mar 2025]

phosphodiesterase 4D interacting protein pseudogene

phosphodiesterase 4A, cAMP-specific

The protein encoded by this gene belongs to the cyclic nucleotide phosphodiesterase (PDE) family, and PDE4 subfamily. This PDE hydrolyzes the second messenger, cAMP, which is a regulator and mediator of a number of cellular responses to extracellular signals. Thus, by regulating the cellular concentration of cAMP, this protein plays a key role in many important physiological processes. Alternatively spliced transcript variants encoding different isoforms have been described for this gene.[provided by RefSeq, Jul 2011]

phosphodiesterase 4B, cAMP-specific

This gene is a member of the type IV, cyclic AMP (cAMP)-specific, cyclic nucleotide phosphodiesterase (PDE) family. The encoded protein regulates the cellular concentrations of cyclic nucleotides and thereby play a role in signal transduction. Altered activity of this protein has been associated with schizophrenia and bipolar affective disorder. Alternative splicing and the use of alternative promoters results in multiple transcript variants encoding different isoforms. [provided by RefSeq, Jul 2014]

phosphodiesterase 4C, cAMP-specific

The protein encoded by this gene belongs to the cyclic nucleotide phosphodiesterase (PDE) family, and PDE4 subfamily. This PDE hydrolyzes the second messenger, cAMP, which is a regulator and mediator of a number of cellular responses to extracellular signals. Thus, by regulating the cellular concentration of cAMP, this protein plays a key role in many important physiological processes. Alternatively spliced transcript variants encoding different isoforms have been described for this gene.[provided by RefSeq, Jul 2011]

phosphodiesterase 4D, cAMP-specific

This gene encodes one of four mammalian counterparts to the fruit fly 'dunce' gene. The encoded protein has 3',5'-cyclic-AMP phosphodiesterase activity and degrades cAMP, which acts as a signal transduction molecule in multiple cell types. This gene uses different promoters to generate multiple alternatively spliced transcript variants that encode functional proteins.[provided by RefSeq, Sep 2009]