Name

LHPP Gene

phospholysine phosphohistidine inorganic pyrophosphate phosphatase

Enables inorganic diphosphate phosphatase activity and protein homodimerization activity. Involved in phosphate-containing compound metabolic process. Located in cytosol and nuclear speck. [provided by Alliance of Genome Resources, Mar 2025]

PPA2 Gene

pyrophosphatase (inorganic) 2

The protein encoded by this gene is localized to the mitochondrion, is highly similar to members of the inorganic pyrophosphatase (PPase) family, and contains the signature sequence essential for the catalytic activity of PPase. PPases catalyze the hydrolysis of pyrophosphate to inorganic phosphate, which is important for the phosphate metabolism of cells. Alternate transcriptional splice variants, encoding different isoforms, have been characterized. [provided by RefSeq, Jul 2008]

PPA1 Gene

pyrophosphatase (inorganic) 1

The protein encoded by this gene is a member of the inorganic pyrophosphatase (PPase) family. PPases catalyze the hydrolysis of pyrophosphate to inorganic phosphate, which is important for the phosphate metabolism of cells. Studies of a similar protein in bovine suggested a cytoplasmic localization of this enzyme. [provided by RefSeq, Jul 2008]

LOC285591 Gene

pyrophosphatase (inorganic) 1 pseudogene

PP1P Gene

pyrophosphatase (inorganic) 1 pseudogene

ANKH Gene

ANKH inorganic pyrophosphate transport regulator

This gene encodes a multipass transmembrane protein that is expressed in joints and other tissues and controls pyrophosphate levels in cultured cells. Progressive ankylosis-mediated control of pyrophosphate levels has been suggested as a possible mechanism regulating tissue calcification and susceptibility to arthritis in higher animals. Mutations in this gene have been associated with autosomal dominant craniometaphyseal dysplasia. [provided by RefSeq, Jul 2008]

CRABP1 Gene

cellular retinoic acid binding protein 1

This gene encodes a specific binding protein for a vitamin A family member and is thought to play an important role in retinoic acid-mediated differentiation and proliferation processes. It is structurally similar to the cellular retinol-binding proteins, but binds only retinoic acid at specific sites within the nucleus, which may contribute to vitamin A-directed differentiation in epithelial tissue. [provided by RefSeq, Jul 2008]

CREG1 Gene

cellular repressor of E1A-stimulated genes 1

The adenovirus E1A protein both activates and represses gene expression to promote cellular proliferation and inhibit differentiation. The protein encoded by this gene antagonizes transcriptional activation and cellular transformation by E1A. This protein shares limited sequence similarity with E1A and binds both the general transcription factor TBP and the tumor suppressor pRb in vitro. This gene may contribute to the transcriptional control of cell growth and differentiation. [provided by RefSeq, Jul 2008]

CREG2 Gene

cellular repressor of E1A-stimulated genes 2

Predicted to be located in Golgi apparatus; endoplasmic reticulum; and extracellular region. Predicted to be active in extracellular space. [provided by Alliance of Genome Resources, Mar 2025]

HAVCR1 Gene

hepatitis A virus cellular receptor 1

The protein encoded by this gene is a membrane receptor for both human hepatitis A virus (HHAV) and TIMD4. The encoded protein may be involved in the moderation of asthma and allergic diseases. The reference genome represents an allele that retains a MTTVP amino acid segment that confers protection against atopy in HHAV seropositive individuals. The protein is a receptor for multiple other viruses, including Ebola virus, Marburg virus, Dengue virus, and Zika virus and is a possible entry factor for SARS-CoV-2 and other coronaviruses. [provided by RefSeq, Sep 2021]

SEN2 Gene

senescence (cellular)-related 2

SEN3 Gene

senescence (cellular)-related 3

SEN6 Gene

senescence (cellular)-related 6

FLVCR2 Gene

feline leukemia virus subgroup C cellular receptor family, member 2

This gene encodes a member of the major facilitator superfamily. The encoded transmembrane protein is a calcium transporter. Unlike the related protein feline leukemia virus subgroup C receptor 1, the protein encoded by this locus does not bind to feline leukemia virus subgroup C envelope protein. The encoded protein may play a role in development of brain vascular endothelial cells, as mutations at this locus have been associated with proliferative vasculopathy and hydranencephaly-hydrocephaly syndrome. Alternatively spliced transcript variants have been described.[provided by RefSeq, Aug 2010]

FLVCR1 Gene

feline leukemia virus subgroup C cellular receptor 1

This gene encodes a member of the major facilitator superfamily of transporter proteins. The encoded protein is a heme transporter that may play a critical role in erythropoiesis by protecting developing erythroid cells from heme toxicity. This gene may play a role in posterior column ataxia with retinitis pigmentosa and the hematological disorder Diamond-Blackfan syndrome. [provided by RefSeq, Jan 2011]

CRABP2 Gene

cellular retinoic acid binding protein 2

This gene encodes a member of the retinoic acid (RA, a form of vitamin A) binding protein family and lipocalin/cytosolic fatty-acid binding protein family. The protein is a cytosol-to-nuclear shuttling protein, which facilitates RA binding to its cognate receptor complex and transfer to the nucleus. It is involved in the retinoid signaling pathway, and is associated with increased circulating low-density lipoprotein cholesterol. Alternatively spliced transcript variants encoding the same protein have been found for this gene.[provided by RefSeq, Dec 2010]

HAVCR1P2 Gene

hepatitis A virus cellular receptor 1 pseudogene 2

SEN6A Gene

senescence (cellular)-related 6A

SEN6B Gene

senescence (cellular)-related 6B

RBP1 Gene

retinol binding protein 1, cellular

This gene encodes the carrier protein involved in the transport of retinol (vitamin A alcohol) from the liver storage site to peripheral tissue. Vitamin A is a fat-soluble vitamin necessary for growth, reproduction, differentiation of epithelial tissues, and vision. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Aug 2008]

RBP2 Gene

retinol binding protein 2, cellular

This gene encodes an abundant protein present in the small intestinal epithelium. It is thought to participate in the uptake and/or intracellular metabolism of vitamin A. Vitamin A is a fat-soluble vitamin necessary for growth, reproduction, differentiation of epithelial tissues, and vision. This protein may also modulate the supply of retinoic acid to the nuclei of endometrial cells during the menstrual cycle. [provided by RefSeq, Aug 2015]

RBP5 Gene

retinol binding protein 5, cellular

The protein encoded by this gene is a cellular retinol-binding protein expressed highly in kidney and liver. Down-regulation of the encoded protein in hepatocellular carcinoma was associated with large tumor size and poor patient survival rates. [provided by RefSeq, Jul 2016]

RBP7 Gene

retinol binding protein 7, cellular

The protein encoded by this gene is a member of the cellular retinol-binding protein (CRBP) family, whose members are required for vitamin A stability and metabolism. The encoded protein binds all-trans-retinol and is structurally similar to other CRBPs; however, it has a lower binding affinity for retinol than other CRBPs. [provided by RefSeq, Aug 2016]

HAVCR2 Gene

hepatitis A virus cellular receptor 2

The protein encoded by this gene belongs to the immunoglobulin superfamily, and TIM family of proteins. CD4-positive T helper lymphocytes can be divided into types 1 (Th1) and 2 (Th2) on the basis of their cytokine secretion patterns. Th1 cells are involved in cell-mediated immunity to intracellular pathogens and delayed-type hypersensitivity reactions, whereas, Th2 cells are involved in the control of extracellular helminthic infections and the promotion of atopic and allergic diseases. This protein is a Th1-specific cell surface protein that regulates macrophage activation, and inhibits Th1-mediated auto- and alloimmune responses, and promotes immunological tolerance. [provided by RefSeq, Sep 2011]

LOC100421061 Gene

hepatitis A virus cellular receptor 1 pseudogene

HAVCR1P1 Gene

hepatitis A virus cellular receptor 1 pseudogene 1

CIP2A Gene

cellular inhibitor of PP2A

Enables protein homodimerization activity and protein phosphatase inhibitor activity. Involved in broken chromosome clustering. Located in cytosol and plasma membrane. Is active in chromosome. [provided by Alliance of Genome Resources, Mar 2025]

CCN1 Gene

cellular communication network factor 1

The secreted protein encoded by this gene is growth factor-inducible and promotes the adhesion of endothelial cells. The encoded protein interacts with several integrins and with heparan sulfate proteoglycan. This protein also plays a role in cell proliferation, differentiation, angiogenesis, apoptosis, and extracellular matrix formation. [provided by RefSeq, Sep 2011]

CCN2 Gene

cellular communication network factor 2

The protein encoded by this gene is a mitogen that is secreted by vascular endothelial cells. The encoded protein plays a role in chondrocyte proliferation and differentiation, cell adhesion in many cell types, and is related to platelet-derived growth factor. Certain polymorphisms in this gene have been linked with a higher incidence of systemic sclerosis. [provided by RefSeq, Nov 2009]

CCN3 Gene

cellular communication network factor 3

The protein encoded by this gene is a small secreted cysteine-rich protein and a member of the CCN family of regulatory proteins. CNN family proteins associate with the extracellular matrix and play an important role in cardiovascular and skeletal development, fibrosis and cancer development. [provided by RefSeq, Feb 2009]

CCN6 Gene

cellular communication network factor 6

This gene encodes a member of the WNT1 inducible signaling pathway (WISP) protein subfamily, which belongs to the connective tissue growth factor (CTGF) family. WNT1 is a member of a family of cysteine-rich, glycosylated signaling proteins that mediate diverse developmental processes. The CTGF family members are characterized by four conserved cysteine-rich domains: insulin-like growth factor-binding domain, von Willebrand factor type C module, thrombospondin domain and C-terminal cystine knot-like domain. This gene is overexpressed in colon tumors. It may be downstream in the WNT1 signaling pathway that is relevant to malignant transformation. Mutations of this gene are associated with progressive pseudorheumatoid dysplasia, an autosomal recessive skeletal disorder, indicating that the gene is essential for normal postnatal skeletal growth and cartilage homeostasis. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jul 2008]

CCN5 Gene

cellular communication network factor 5

This gene encodes a member of the WNT1 inducible signaling pathway (WISP) protein subfamily, which belongs to the connective tissue growth factor (CTGF) family. WNT1 is a member of a family of cysteine-rich, glycosylated signaling proteins that mediate diverse developmental processes. The CTGF family members are characterized by four conserved cysteine-rich domains: insulin-like growth factor-binding domain, von Willebrand factor type C module, thrombospondin domain and C-terminal cystine knot-like (CT) domain. The encoded protein lacks the CT domain which is implicated in dimerization and heparin binding. It is 72% identical to the mouse protein at the amino acid level. This gene may be downstream in the WNT1 signaling pathway that is relevant to malignant transformation. Its expression in colon tumors is reduced while the other two WISP members are overexpressed in colon tumors. It is expressed at high levels in bone tissue, and may play an important role in modulating bone turnover. [provided by RefSeq, Jul 2008]

CCN4 Gene

cellular communication network factor 4

This gene encodes a member of the WNT1 inducible signaling pathway (WISP) protein subfamily, which belongs to the connective tissue growth factor (CTGF) family. WNT1 is a member of a family of cysteine-rich, glycosylated signaling proteins that mediate diverse developmental processes. The CTGF family members are characterized by four conserved cysteine-rich domains: insulin-like growth factor-binding domain, von Willebrand factor type C module, thrombospondin domain and C-terminal cystine knot-like domain. This gene may be downstream in the WNT1 signaling pathway that is relevant to malignant transformation. It is expressed at a high level in fibroblast cells, and overexpressed in colon tumors. The encoded protein binds to decorin and biglycan, two members of a family of small leucine-rich proteoglycans present in the extracellular matrix of connective tissue, and possibly prevents the inhibitory activity of decorin and biglycan in tumor cell proliferation. It also attenuates p53-mediated apoptosis in response to DNA damage through activation of the Akt kinase. It is 83% identical to the mouse protein at the amino acid level. Multiple alternatively spliced transcript variants have been identified. [provided by RefSeq, Mar 2011]

SLC22A2 Gene

solute carrier family 22 (organic cation transporter), member 2

Polyspecific organic cation transporters in the liver, kidney, intestine, and other organs are critical for elimination of many endogenous small organic cations as well as a wide array of drugs and environmental toxins. This gene is one of three similar cation transporter genes located in a cluster on chromosome 6. The encoded protein contains twelve putative transmembrane domains and is a plasma integral membrane protein. It is found primarily in the kidney, where it may mediate the first step in cation reabsorption. [provided by RefSeq, Jul 2008]

OCTN3 Gene

organic cation transporter 3

LOC100288724 Gene

transient receptor potential cation channel, subfamily C, member 6 pseudogene

LOC392232 Gene

transient receptor potential cation channel, subfamily A, member 1 pseudogene

TRPC4AP Gene

transient receptor potential cation channel, subfamily C, member 4 associated protein

Enables phosphatase binding activity and ubiquitin-like ligase-substrate adaptor activity. Involved in protein ubiquitination and ubiquitin-dependent protein catabolic process via the C-end degron rule pathway. Part of Cul4A-RING E3 ubiquitin ligase complex. Is active in Cul4-RING E3 ubiquitin ligase complex. [provided by Alliance of Genome Resources, Mar 2025]

SLC9B1 Gene

solute carrier family 9, subfamily B (NHA1, cation proton antiporter 1), member 1

The protein encoded by this gene is a sodium/hydrogen exchanger and transmembrane protein. Highly conserved orthologs of this gene have been found in other mammalian species. The expression of this gene may be limited to testis. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jul 2010]

SLC9A3R2 Gene

solute carrier family 9, subfamily A (NHE3, cation proton antiporter 3), member 3 regulator 2

This gene encodes a member of the NHERF family of PDZ scaffolding proteins. These proteins mediate many cellular processes by binding to and regulating the membrane expression and protein-protein interactions of membrane receptors and transport proteins. The encoded protein plays a role in intestinal sodium absorption by regulating the activity of the sodium/hydrogen exchanger 3, and may also regulate the cystic fibrosis transmembrane regulator (CFTR) ion channel. Alternatively spliced transcript variants encoding multiple isoforms have been observed for this gene. [provided by RefSeq, Nov 2011]

SLC9A3R1 Gene

solute carrier family 9, subfamily A (NHE3, cation proton antiporter 3), member 3 regulator 1

This gene encodes a sodium/hydrogen exchanger regulatory cofactor. The protein interacts with and regulates various proteins including the cystic fibrosis transmembrane conductance regulator and G-protein coupled receptors such as the beta2-adrenergic receptor and the parathyroid hormone 1 receptor. The protein also interacts with proteins that function as linkers between integral membrane and cytoskeletal proteins. The protein localizes to actin-rich structures including membrane ruffles, microvilli, and filopodia. Mutations in this gene result in hypophosphatemic nephrolithiasis/osteoporosis type 2, and loss of heterozygosity of this gene is implicated in breast cancer.[provided by RefSeq, Sep 2009]

CHAC2 Gene

ChaC, cation transport regulator homolog 2 (E. coli)

The protein encoded by this gene is a gamma-glutamyl cyclotransferase that catalyzes the conversion of glutathione to 5-oxoproline and cysteinylglycine. It is thought that this gene is upregulated in response to endoplasmic reticulum stress and that the glutathione depletion enhances apoptosis. [provided by RefSeq, Sep 2016]

SLC9B2 Gene

solute carrier family 9, subfamily B (NHA2, cation proton antiporter 2), member 2

Sodium hydrogen antiporters, such as NHEDC2, convert the proton motive force established by the respiratory chain or the F1F0 mitochondrial ATPase into sodium gradients that drive other energy-requiring processes, transduce environmental signals into cell responses, or function in drug efflux (Xiang et al., 2007 [PubMed 18000046]).[supplied by OMIM, Mar 2008]

TRPC6P Gene

transient receptor potential cation channel, subfamily C, member 6 pseudogene

TRPM8 Gene

transient receptor potential cation channel, subfamily M, member 8

Predicted to enable ligand-gated calcium channel activity. Predicted to be involved in calcium ion transmembrane transport and positive regulation of cold-induced thermogenesis. Predicted to act upstream of or within several processes, including intracellular calcium ion homeostasis; response to cold; and thermoception. Located in plasma membrane. [provided by Alliance of Genome Resources, Mar 2025]

TRPM4 Gene

transient receptor potential cation channel, subfamily M, member 4

The protein encoded by this gene is a calcium-activated nonselective ion channel that mediates transport of monovalent cations across membranes, thereby depolarizing the membrane. The activity of the encoded protein increases with increasing intracellular calcium concentration, but this channel does not transport calcium. [provided by RefSeq, Mar 2016]

TRPM5 Gene

transient receptor potential cation channel, subfamily M, member 5

This gene encodes a member of the transient receptor potential (TRP) protein family, which is a diverse group of proteins with structural features typical of ion channels. This protein plays an important role in taste transduction, and has characteristics of a calcium-activated, non-selective cation channel that carries Na+, K+, and Cs+ ions equally well, but not Ca(2+) ions. It is activated by lower concentrations of intracellular Ca(2+), and inhibited by higher concentrations. It is also a highly temperature-sensitive, heat activated channel showing a steep increase of inward currents at temperatures between 15 and 35 degrees Celsius. This gene is located within the Beckwith-Wiedemann syndrome critical region-1 on chromosome 11p15.5, and has been shown to be imprinted, with exclusive expression from the paternal allele. [provided by RefSeq, Oct 2010]

TRPM6 Gene

transient receptor potential cation channel, subfamily M, member 6

This gene is predominantly expressed in the kidney and colon, and encodes a protein containing an ion channel domain and a protein kinase domain. It is crucial for magnesium homeostasis, and plays an essential role in epithelial magnesium transport and in the active magnesium absorption in the gut and kidney. Mutations in this gene are associated with hypomagnesemia with secondary hypocalcemia. Alternatively spliced transcript variants encoding different isoforms have been noted for this gene. [provided by RefSeq, Apr 2010]

TRPM7 Gene

transient receptor potential cation channel, subfamily M, member 7

This gene belongs to the melastatin subfamily of transient receptor potential family of ion channels. The protein encoded by this gene is both an ion channel and a serine/threonine protein kinase. The kinase activity is essential for the ion channel function, which serves to increase intracellular calcium levels and to help regulate magnesium ion homeostasis. The encoded protein is involved in cytoskeletal organization, cell adhesion, cell migration and organogenesis. Defects in this gene are a cause of amyotrophic lateral sclerosis-parkinsonism/dementia complex of Guam. The gene may also be associated with defects of cardiac function. [provided by RefSeq, Aug 2017]

TRPM1 Gene

transient receptor potential cation channel, subfamily M, member 1

This gene encodes a member of the transient receptor potential melastatin subfamily of transient receptor potential ion channels. The encoded protein is a calcium permeable cation channel that is expressed in melanocytes and may play a role in melanin synthesis. Specific mutations in this gene are the cause autosomal recessive complete congenital stationary night blindness-1C. The expression of this protein is inversely correlated with melanoma aggressiveness and as such it is used as a prognostic marker for melanoma metastasis. Alternate splicing results in multiple transcript variants. [provided by RefSeq, Oct 2011]

TRPM2 Gene

transient receptor potential cation channel, subfamily M, member 2

The protein encoded by this gene forms a tetrameric cation channel that is permeable to calcium, sodium, and potassium and is regulated by free intracellular ADP-ribose. The encoded protein is activated by oxidative stress and confers susceptibility to cell death. Alternative splicing results in multiple transcript variants encoding distinct protein isoforms. Additional transcript variants of this gene have been described, but their full-length nature is not known. [provided by RefSeq, Feb 2016]

TRPM3 Gene

transient receptor potential cation channel, subfamily M, member 3

The product of this gene belongs to the family of transient receptor potential (TRP) channels. TRP channels are cation-selective channels important for cellular calcium signaling and homeostasis. The protein encoded by this gene mediates calcium entry, and this entry is potentiated by calcium store depletion. Alternatively spliced transcript variants encoding different isoforms have been identified. [provided by RefSeq, Jul 2008]

SLC22A18AS Gene

solute carrier family 22 (organic cation transporter), member 18 antisense

SLC22A5 Gene

solute carrier family 22 (organic cation/carnitine transporter), member 5

Polyspecific organic cation transporters in the liver, kidney, intestine, and other organs are critical for elimination of many endogenous small organic cations as well as a wide array of drugs and environmental toxins. The encoded protein is a plasma integral membrane protein which functions both as an organic cation transporter and as a sodium-dependent high affinity carnitine transporter. The encoded protein is involved in the active cellular uptake of carnitine. Mutations in this gene are the cause of systemic primary carnitine deficiency (CDSP), an autosomal recessive disorder manifested early in life by hypoketotic hypoglycemia and acute metabolic decompensation, and later in life by skeletal myopathy or cardiomyopathy. Alternative splicing of this gene results in multiple transcript variants. [provided by RefSeq, Apr 2015]

M6PR Gene

mannose-6-phosphate receptor (cation dependent)

This gene encodes a member of the P-type lectin family. P-type lectins play a critical role in lysosome function through the specific transport of mannose-6-phosphate-containing acid hydrolases from the Golgi complex to lysosomes. The encoded protein functions as a homodimer and requires divalent cations for ligand binding. Alternatively spliced transcript variants encoding multiple isoforms have been observed for this gene. A pseudogene of this gene is located on the long arm of chromosome X. [provided by RefSeq, May 2011]

LOC280665 Gene

anti-CNG alpha 1 cation channel translation product-like

SLC22A4 Gene

solute carrier family 22 (organic cation/zwitterion transporter), member 4

Polyspecific organic cation transporters in the liver, kidney, intestine, and other organs are critical for elimination of many endogenous small organic cations as well as a wide array of drugs and environmental toxins. The encoded protein is an organic cation transporter and plasma integral membrane protein containing eleven putative transmembrane domains as well as a nucleotide-binding site motif. Transport by this protein is at least partially ATP-dependent. [provided by RefSeq, Jul 2008]

SLC22A3 Gene

solute carrier family 22 (organic cation transporter), member 3

Polyspecific organic cation transporters in the liver, kidney, intestine, and other organs are critical for elimination of many endogenous small organic cations as well as a wide array of drugs and environmental toxins. This gene is one of three similar cation transporter genes located in a cluster on chromosome 6. The encoded protein contains twelve putative transmembrane domains and is a plasma integral membrane protein. [provided by RefSeq, Jul 2008]

LOC100131200 Gene

mannose-6-phosphate receptor (cation dependent) pseudogene

SLC9B1P2 Gene

solute carrier family 9, subfamily B (NHA1, cation proton antiporter 1), member 1 pseudogene 2

SLC9B1P1 Gene

solute carrier family 9, subfamily B (NHA1, cation proton antiporter 1), member 1 pseudogene 1

Predicted to enable antiporter activity. Predicted to be involved in inorganic cation transmembrane transport. Predicted to be located in membrane. [provided by Alliance of Genome Resources, Mar 2025]

SLC9A3P1 Gene

solute carrier family 9, subfamily A (NHE3, cation proton antiporter 3), member 3 pseudogene 1

SLC9A3P3 Gene

solute carrier family 9, subfamily A (NHE3, cation proton antiporter 3), member 3 pseudogene 3

SLC9A3P2 Gene

solute carrier family 9, subfamily A (NHE3, cation proton antiporter 3), member 3 pseudogene 2

TRPV5 Gene

transient receptor potential cation channel, subfamily V, member 5

This gene is a member of the transient receptor family and the TrpV subfamily. The calcium-selective channel encoded by this gene has 6 transmembrane-spanning domains, multiple potential phosphorylation sites, an N-linked glycosylation site, and 5 ANK repeats. This protein forms homotetramers or heterotetramers and is activated by a low internal calcium level. [provided by RefSeq, Jul 2008]

TRPV4 Gene

transient receptor potential cation channel, subfamily V, member 4

This gene encodes a member of the OSM9-like transient receptor potential channel (OTRPC) subfamily in the transient receptor potential (TRP) superfamily of ion channels. The encoded protein is a Ca2+-permeable, nonselective cation channel that is thought to be involved in the regulation of systemic osmotic pressure. Mutations in this gene are the cause of spondylometaphyseal and metatropic dysplasia and hereditary motor and sensory neuropathy type IIC. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Apr 2010]

TRPV6 Gene

transient receptor potential cation channel, subfamily V, member 6

This gene encodes a member of a family of multipass membrane proteins that functions as calcium channels. The encoded protein contains N-terminal ankyrin repeats, which are required for channel assembly and regulation. Translation initiation for this protein occurs at a non-AUG start codon that is decoded as methionine. This gene is situated next to a closely related gene for transient receptor potential cation channel subfamily V member 5 (TRPV5). This locus has experienced positive selection in non-African populations, resulting in several non-synonymous codon differences among individuals of different genetic backgrounds. [provided by RefSeq, Feb 2015]

TRPV1 Gene

transient receptor potential cation channel, subfamily V, member 1

Capsaicin, the main pungent ingredient in hot chili peppers, elicits a sensation of burning pain by selectively activating sensory neurons that convey information about noxious stimuli to the central nervous system. The protein encoded by this gene is a receptor for capsaicin and is a non-selective cation channel that is structurally related to members of the TRP family of ion channels. This receptor is also activated by increases in temperature in the noxious range, suggesting that it functions as a transducer of painful thermal stimuli in vivo. Four transcript variants encoding the same protein, but with different 5' UTR sequence, have been described for this gene. [provided by RefSeq, Jul 2008]

TRPV3 Gene

transient receptor potential cation channel, subfamily V, member 3

This gene product belongs to a family of nonselective cation channels that function in a variety of processes, including temperature sensation and vasoregulation. The thermosensitive members of this family are expressed in subsets of sensory neurons that terminate in the skin, and are activated at distinct physiological temperatures. This channel is activated at temperatures between 22 and 40 degrees C. This gene lies in close proximity to another family member gene on chromosome 17, and the two encoded proteins are thought to associate with each other to form heteromeric channels. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Apr 2012]

TRPV2 Gene

transient receptor potential cation channel, subfamily V, member 2

This gene encodes an ion channel that is activated by high temperatures above 52 degrees Celsius. The protein may be involved in transduction of high-temperature heat responses in sensory ganglia. It is thought that in other tissues the channel may be activated by stimuli other than heat. [provided by RefSeq, Jul 2008]

LOC100422471 Gene

solute carrier family 9, subfamily A (NHE2, cation proton antiporter 2), member 2 pseudogene

TRPC2 Gene

transient receptor potential cation channel, subfamily C, member 2, pseudogene

Predicted to enable diacylglycerol binding activity; inositol 1,4,5 trisphosphate binding activity; and store-operated calcium channel activity. Predicted to act upstream of or within several processes, including female courtship behavior; inter-male aggressive behavior; and mating behavior, sex discrimination. Predicted to be located in dendrite membrane and endomembrane system. [provided by Alliance of Genome Resources, Mar 2025]

TRPC3 Gene

transient receptor potential cation channel, subfamily C, member 3

The protein encoded by this gene is a membrane protein that can form a non-selective channel permeable to calcium and other cations. The encoded protein appears to be induced to form channels by a receptor tyrosine kinase-activated phosphatidylinositol second messenger system and also by depletion of intracellular calcium stores. Two transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Oct 2011]

TRPC6 Gene

transient receptor potential cation channel, subfamily C, member 6

The protein encoded by this gene forms a receptor-activated calcium channel in the cell membrane. The channel is activated by diacylglycerol and is thought to be under the control of a phosphatidylinositol second messenger system. Activation of this channel occurs independently of protein kinase C and is not triggered by low levels of intracellular calcium. Defects in this gene are a cause of focal segmental glomerulosclerosis 2 (FSGS2). [provided by RefSeq, Mar 2009]

TRPC4 Gene

transient receptor potential cation channel, subfamily C, member 4

This gene encodes a member of the canonical subfamily of transient receptor potential cation channels. The encoded protein forms a non-selective calcium-permeable cation channel that is activated by Gq-coupled receptors and tyrosine kinases, and plays a role in multiple processes including endothelial permeability, vasodilation, neurotransmitter release and cell proliferation. Single nucleotide polymorphisms in this gene may be associated with generalized epilepsy with photosensitivity. Alternatively spliced transcript variants encoding multiple isoforms have been observed for this gene. [provided by RefSeq, Aug 2011]

LOC100422502 Gene

transient receptor potential cation channel, subfamily C, member 6 pseudogene

LOC100422500 Gene

transient receptor potential cation channel, subfamily C, member 6 pseudogene

CUTA Gene

cutA divalent cation tolerance homolog (E. coli)

Enables enzyme binding activity. Involved in protein localization. Located in membrane and mitochondrion. [provided by Alliance of Genome Resources, Mar 2025]

LOC100127986 Gene

cation channel, sperm associated 2 pseudogene

SLC22A16 Gene

solute carrier family 22 (organic cation/carnitine transporter), member 16

This gene encodes a member of the organic zwitterion transporter protein family which transports carnitine. The encoded protein has also been shown to transport anticancer drugs like bleomycin (PMID: 20037140) successful treatment has been correlated with the level of activity of this transporter in tumor cells. [provided by RefSeq, Dec 2011]

LOC100133315 Gene

transient receptor potential cation channel, subfamily C, member 2-like

Predicted to enable damaged DNA binding activity. Predicted to be involved in single strand break repair. Located in chromosome and nucleolus. [provided by Alliance of Genome Resources, Mar 2025]

SLC9A7P1 Gene

solute carrier family 9, subfamily A (NHE7, cation proton antiporter 7), member 7 pseudogene 1

LOC650866 Gene

transient receptor potential cation channel, subfamily C, member 6 pseudogene

CATSPER4 Gene

cation channel, sperm associated 4

Predicted to enable voltage-gated calcium channel activity. Predicted to be involved in flagellated sperm motility; sodium ion transport; and sperm capacitation. Predicted to act upstream of or within establishment of localization in cell. Predicted to be located in plasma membrane. Predicted to be part of CatSper complex. Predicted to be active in acrosomal vesicle and sperm principal piece. [provided by Alliance of Genome Resources, Mar 2025]

CATSPER1 Gene

cation channel, sperm associated 1

Calcium ions play a primary role in the regulation of sperm motility. This gene belongs to a family of putative cation channels that are specific to spermatozoa and localize to the flagellum. The protein family features a single repeat with six membrane-spanning segments and a predicted calcium-selective pore region. [provided by RefSeq, Jul 2008]

CATSPER2 Gene

cation channel, sperm associated 2

This gene encodes a member of a family of cation channel proteins that localize to the flagellum of spermatozoa. Defects at this locus causes male infertility. Alternatively spliced transcript variants have been observed at this locus. Readthrough transcription originates upstream of this locus in diphosphoinositol pentakisphosphate kinase 1 pseudogene 1 and is represented by GeneID:110006325. Related pseudogenes are found next to this locus on chromosome 15 and on chromosome 5. [provided by RefSeq, Mar 2017]

CATSPER3 Gene

cation channel, sperm associated 3

Predicted to enable voltage-gated calcium channel activity. Predicted to be involved in flagellated sperm motility; sodium ion transport; and sperm capacitation. Predicted to act upstream of or within establishment of localization in cell. Predicted to be located in plasma membrane. Predicted to be part of CatSper complex. Predicted to be active in acrosomal vesicle. [provided by Alliance of Genome Resources, Mar 2025]

SLC9A4 Gene

solute carrier family 9, subfamily A (NHE4, cation proton antiporter 4), member 4

Predicted to enable potassium:proton antiporter activity and sodium:proton antiporter activity. Predicted to be involved in monoatomic cation transmembrane transport; regulation of intracellular pH; and transepithelial ammonium transport. Predicted to act upstream of or within gastric acid secretion and glandular epithelial cell development. Predicted to be located in basolateral plasma membrane. Predicted to be active in plasma membrane. [provided by Alliance of Genome Resources, Mar 2025]

SLC9A5 Gene

solute carrier family 9, subfamily A (NHE5, cation proton antiporter 5), member 5

Enables arrestin family protein binding activity and sodium:proton antiporter activity. Involved in regulation of intracellular pH and sodium ion transmembrane transport. Located in several cellular components, including focal adhesion; neuron spine; and recycling endosome membrane. Implicated in end stage renal disease. [provided by Alliance of Genome Resources, Mar 2025]

SLC9A6 Gene

solute carrier family 9, subfamily A (NHE6, cation proton antiporter 6), member 6

This gene encodes a sodium-hydrogen exchanger that is amember of the solute carrier family 9. The encoded protein localizes to early and recycling endosomes and may be involved in regulating endosomal pH and volume. Defects in this gene are associated with X-linked syndromic cognitive disability, Christianson type. Alternate splicing results in multiple transcript variants.[provided by RefSeq, Apr 2010]

SLC9A7 Gene

solute carrier family 9, subfamily A (NHE7, cation proton antiporter 7), member 7

This gene encodes a sodium and potassium/ proton antiporter that is a member of the solute carrier family 9 protein family. The encoded protein is primarily localized to the trans-Golgi network and is involved in maintaining pH homeostasis in organelles along the secretory and endocytic pathways. This protein may enhance cell growth of certain breast tumors. This gene is part of a gene cluster on chromosome Xp11.23. A pseudogene of this gene is found on chromosome 12. Alternate splicing results in multiple transcript variants. [provided by RefSeq, Mar 2012]

SLC9A1 Gene

solute carrier family 9, subfamily A (NHE1, cation proton antiporter 1), member 1

This gene encodes a Na+/H+ antiporter that is a member of the solute carrier family 9. The encoded protein is a plasma membrane transporter that is expressed in the kidney and intestine. This protein plays a central role in regulating pH homeostasis, cell migration and cell volume. This protein may also be involved in tumor growth. [provided by RefSeq, Sep 2011]

SLC9A2 Gene

solute carrier family 9, subfamily A (NHE2, cation proton antiporter 2), member 2

This gene encodes a member of the sodium-hydrogen exchanger (NHE) protein family. These proteins are involved in sodium-ion transport by exchanging intracellular hydrogen ions to external sodium ions and help in the regulation of cell pH and volume. The encoded protein is localized to the apical membrane and is involved in apical absorption of sodium. [provided by RefSeq, Jun 2016]

SLC9A3 Gene

solute carrier family 9, subfamily A (NHE3, cation proton antiporter 3), member 3

The protein encoded by this gene is an epithelial brush border Na/H exchanger that uses an inward sodium ion gradient to expel acids from the cell. Defects in this gene are a cause of congenital secretory sodium diarrhea. Pseudogenes of this gene exist on chromosomes 10 and 22. [provided by RefSeq, Mar 2016]

SLC9A8 Gene

solute carrier family 9, subfamily A (NHE8, cation proton antiporter 8), member 8

Sodium-hydrogen exchangers (NHEs), such as SLC9A8, are integral transmembrane proteins that exchange extracellular Na+ for intracellular H+. NHEs have multiple functions, including intracellular pH homeostasis, cell volume regulation, and electroneutral NaCl absorption in epithelia (Xu et al., 2008 [PubMed 18209477]).[supplied by OMIM, Apr 2009]

SLC9A9 Gene

solute carrier family 9, subfamily A (NHE9, cation proton antiporter 9), member 9

This gene encodes a sodium/proton exchanger that is a member of the solute carrier 9 protein family. The encoded protein localizes the to the late recycling endosomes and may play an important role in maintaining cation homeostasis. Mutations in this gene are associated with autism susceptibility 16 and attention-deficit/hyperactivity disorder. [provided by RefSeq, Mar 2012]

CATSPER2P1 Gene

cation channel, sperm associated 2 pseudogene 1

Catsper genes belong to a family of putative cation channels that are specific to spermatozoa and localize to the flagellum. This gene is part of a tandem repeat on chromosome 15q15; this copy of the gene is thought to be a pseudogene. [provided by RefSeq, Oct 2008]

SLC22A1 Gene

solute carrier family 22 (organic cation transporter), member 1

Polyspecific organic cation transporters in the liver, kidney, intestine, and other organs are critical for elimination of many endogenous small organic cations as well as a wide array of drugs and environmental toxins. This gene is one of three similar cation transporter genes located in a cluster on chromosome 6. The encoded protein contains twelve putative transmembrane domains and is a plasma integral membrane protein. Two transcript variants encoding two different isoforms have been found for this gene, but only the longer variant encodes a functional transporter. [provided by RefSeq, Jul 2008]

SLC9B1P4 Gene

solute carrier family 9, subfamily B (NHA1, cation proton antiporter 1), member 1 pseudogene 4

SLC9B1P5 Gene

solute carrier family 9, subfamily B (NHA1, cation proton antiporter 1), member 1 pseudogene 5

SLC9B1P3 Gene

solute carrier family 9, subfamily B (NHA1, cation proton antiporter 1), member 1 pseudogene 3

TRPA1 Gene

transient receptor potential cation channel, subfamily A, member 1

The structure of the protein encoded by this gene is highly related to both the protein ankyrin and transmembrane proteins. The specific function of this protein has not yet been determined; however, studies indicate the function may involve a role in signal transduction and growth control. [provided by RefSeq, Jul 2008]

TRPC1 Gene

transient receptor potential cation channel, subfamily C, member 1

The protein encoded by this gene is a membrane protein that can form a non-selective channel permeable to calcium and other cations. The encoded protein appears to be induced to form channels by a receptor tyrosine kinase-activated phosphatidylinositol second messenger system and also by depletion of intracellular calcium stores. Two transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Oct 2011]

TRPC7 Gene

transient receptor potential cation channel, subfamily C, member 7

Predicted to enable inositol 1,4,5 trisphosphate binding activity and store-operated calcium channel activity. Predicted to be involved in calcium ion transmembrane transport; regulation of cytosolic calcium ion concentration; and single fertilization. Predicted to be located in membrane; nuclear envelope; and perinuclear region of cytoplasm. Predicted to be part of cation channel complex. Predicted to be active in plasma membrane. Implicated in lung cancer. [provided by Alliance of Genome Resources, Mar 2025]

TRPC5 Gene

transient receptor potential cation channel, subfamily C, member 5

This gene belongs to the transient receptor family. It encodes one of the seven mammalian TRPC (transient receptor potential channel) proteins. The encoded protein is a multi-pass membrane protein and is thought to form a receptor-activated non-selective calcium permeant cation channel. The protein is active alone or as a heteromultimeric assembly with TRPC1, TRPC3, and TRPC4. It also interacts with multiple proteins including calmodulin, CABP1, enkurin, Na(+)-H+ exchange regulatory factor (NHERF ), interferon-induced GTP-binding protein (MX1), ring finger protein 24 (RNF24), and SEC14 domain and spectrin repeat-containing protein 1 (SESTD1). [provided by RefSeq, May 2010]

CNNM1 Gene

cyclin and CBS domain divalent metal cation transport mediator 1

This gene encodes a member of the ancient conserved domain protein family. The encoded protein may bind copper. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Sep 2016]

CNNM3 Gene

cyclin and CBS domain divalent metal cation transport mediator 3

Predicted to enable transmembrane transporter activity. Predicted to be involved in magnesium ion homeostasis. Located in membrane. [provided by Alliance of Genome Resources, Mar 2025]

CNNM2 Gene

cyclin and CBS domain divalent metal cation transport mediator 2

This gene encodes a member of the ancient conserved domain containing protein family. Members of this protein family contain a cyclin box motif and have structural similarity to the cyclins. The encoded protein may play an important role in magnesium homeostasis by mediating the epithelial transport and renal reabsorption of Mg2+. Mutations in this gene are associated with renal hypomagnesemia. Alternatively spliced transcript variants encoding multiple isoforms have been observed for this gene. [provided by RefSeq, Dec 2011]

CNNM4 Gene

cyclin and CBS domain divalent metal cation transport mediator 4

This gene encodes a member of the ancient conserved domain containing protein family. Members of this protein family contain a cyclin box motif and have structural similarity to the cyclins. The encoded protein may play a role in metal ion transport. Mutations in this gene are associated with Jalili syndrome which consists of cone-rod dystrophy and amelogenesis imperfecta. [provided by RefSeq, Feb 2010]

CUTALP Gene

cutA divalent cation tolerance like, pseudogene