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CFTR CFTR RELT RELT AQP2 AQP2 SLC9A2 SLC9A2 WNK4 WNK4 SLC12A2 SLC12A2 SLC9A3R1 SLC9A3R1 SLC9A1 SLC9A1 SLC12A7 SLC12A7 SLC9A3 SLC9A3 DOCK3 DOCK3 SLC5A1 SLC5A1 PSKH1 PSKH1 PDZK1IP1 PDZK1IP1 SLC9A4 SLC9A4 SLC9B1 SLC9B1 RELL2 RELL2 WNK2 WNK2 SLC9A5 SLC9A5 SLC9C1 SLC9C1 SLC26A7 SLC26A7 OXSR1 OXSR1 SLC9A9 SLC9A9 CYB5D1 CYB5D1 CLCNKA CLCNKA CHP1 CHP1 EZR EZR WNK1 WNK1 PDZK1 PDZK1 SLC26A3 SLC26A3 SLC12A6 SLC12A6 WNK3 WNK3 SLC26A8 SLC26A8 STK39 STK39 HVCN1 HVCN1 MSN MSN SLC26A9 SLC26A9 ADCY10 ADCY10 SLC9A6 SLC9A6 CLCNKB CLCNKB KCNJ1 KCNJ1 SLC12A8 SLC12A8 SLC9B2 SLC9B2 SLC26A6 SLC26A6 UMOD UMOD SLC12A5 SLC12A5 SLC4A10 SLC4A10 SLC12A4 SLC12A4 RELL1 RELL1 SLC12A3 SLC12A3 SLC4A8 SLC4A8 SLC9A3R2 SLC9A3R2 SLC9A8 SLC9A8 SLC4A2 SLC4A2 SLC4A9 SLC4A9 RHBG RHBG SLC9A7 SLC9A7 SLC12A1 SLC12A1 RDX RDX BSND BSND
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CFTRCystic fibrosis transmembrane conductance regulator; Epithelial ion channel that plays an important role in the regulation of epithelial ion and water transport and fluid homeostasis. Mediates the transport of chloride ions across the cell membrane. Channel activity is coupled to ATP hydrolysis. The ion channel is also permeable to HCO(3-); selectivity depends on the extracellular chloride concentration. Exerts its function also by modulating the activity of other ion channels and transporters. Plays an important role in airway fluid homeostasis. Contributes to the regulation of the pH [...] (1480 aa)
RELTTumor necrosis factor receptor superfamily member 19L; May play a role in apoptosis. Induces activation of MAPK14/p38 and MAPK8/JNK MAPK cascades, when overexpressed. Involved in dental enamel formation. Belongs to the RELT family. (430 aa)
AQP2Aquaporin-2; Forms a water-specific channel that provides the plasma membranes of renal collecting duct with high permeability to water, thereby permitting water to move in the direction of an osmotic gradient. Plays an essential role in renal water homeostasis. (271 aa)
SLC9A2Sodium/hydrogen exchanger 2; Involved in pH regulation to eliminate acids generated by active metabolism or to counter adverse environmental conditions. Major proton extruding system driven by the inward sodium ion chemical gradient. Seems to play an important role in colonic sodium absorption. (812 aa)
WNK4Serine/threonine-protein kinase WNK4; Serine/threonine kinase which plays an important role in the regulation of electrolyte homeostasis, cell signaling, survival and proliferation. Acts as an activator and inhibitor of sodium-coupled chloride cotransporters and potassium-coupled chloride cotransporters respectively. Activates SCNN1A, SCNN1B, SCNN1D, SGK1, TRPV5 and TRPV6. Regulates the activity of the thiazide-sensitive Na-Cl cotransporter, SLC12A3, by phosphorylation which appears to prevent membrane trafficking of SLC12A3. Also inhibits the renal K(+) channel, KCNJ1, via a kinase-in [...] (1243 aa)
SLC12A2Solute carrier family 12 member 2; Electrically silent transporter system. Mediates sodium and chloride reabsorption. Plays a vital role in the regulation of ionic balance and cell volume; Belongs to the SLC12A transporter family. (1212 aa)
SLC9A3R1Na(+)/H(+) exchange regulatory cofactor NHE-RF1; Scaffold protein that connects plasma membrane proteins with members of the ezrin/moesin/radixin family and thereby helps to link them to the actin cytoskeleton and to regulate their surface expression. Necessary for recycling of internalized ADRB2. Was first known to play a role in the regulation of the activity and subcellular location of SLC9A3. Necessary for cAMP-mediated phosphorylation and inhibition of SLC9A3. May enhance Wnt signaling. May participate in HTR4 targeting to microvilli (By similarity). Involved in the regulation of [...] (358 aa)
SLC9A1Sodium/hydrogen exchanger 1; Involved in pH regulation to eliminate acids generated by active metabolism or to counter adverse environmental conditions. Major proton extruding system driven by the inward sodium ion chemical gradient. Plays an important role in signal transduction. (815 aa)
SLC12A7Solute carrier family 12 member 7; Mediates electroneutral potassium-chloride cotransport when activated by cell swelling. May mediate K(+) uptake into Deiters' cells in the cochlea and contribute to K(+) recycling in the inner ear. Important for the survival of cochlear outer and inner hair cells and the maintenance of the organ of Corti. May be required for basolateral Cl(-) extrusion in the kidney and contribute to renal acidification (By similarity); Belongs to the SLC12A transporter family. (1083 aa)
SLC9A3Sodium/hydrogen exchanger 3; Involved in pH regulation to eliminate acids generated by active metabolism or to counter adverse environmental conditions. Major proton extruding system driven by the inward sodium ion chemical gradient. Plays an important role in signal transduction. (834 aa)
DOCK3Dedicator of cytokinesis protein 3; Potential guanine nucleotide exchange factor (GEF). GEF proteins activate some small GTPases by exchanging bound GDP for free GTP. Its interaction with presenilin proteins as well as its ability to stimulate Tau/MAPT phosphorylation suggest that it may be involved in Alzheimer disease. Ectopic expression in nerve cells decreases the secretion of amyloid-beta APBA1 protein and lowers the rate of cell- substratum adhesion, suggesting that it may affect the function of some small GTPase involved in the regulation of actin cytoskeleton or cell adhesion r [...] (2030 aa)
SLC5A1Sodium/glucose cotransporter 1; Actively transports glucose into cells by Na(+) cotransport with a Na(+) to glucose coupling ratio of 2:1. Efficient substrate transport in mammalian kidney is provided by the concerted action of a low affinity high capacity and a high affinity low capacity Na(+)/glucose cotransporter arranged in series along kidney proximal tubules. (664 aa)
PSKH1Serine/threonine-protein kinase H1; May be a SFC-associated serine kinase (splicing factor compartment-associated serine kinase) with a role in intranuclear SR protein (non-snRNP splicing factors containing a serine/arginine-rich domain) trafficking and pre-mRNA processing. (424 aa)
PDZK1IP1PDZK1-interacting protein 1; May play an important role in tumor biology. (114 aa)
SLC9A4Sodium/hydrogen exchanger 4; Involved in pH regulation to eliminate acids generated by active metabolism or to counter adverse environmental conditions. Major proton extruding system driven by the inward sodium ion chemical gradient. Plays an important role in signal transduction. May play a specialized role in the kidney in rectifying cell volume in response to extreme fluctuations of hyperosmolar-stimulated cell shrinkage. Is relatively amiloride and ethylisopropylamiloride (EIPA) insensitive. Can be activated under conditions of hyperosmolar-induced cell shrinkage in a sustained int [...] (798 aa)
SLC9B1Sodium/hydrogen exchanger 9B1; Sperm-specific Na(+)/H(+) exchanger involved in intracellular pH regulation of spermatozoa. Involved in sperm motility and fertility. Belongs to the monovalent cation:proton antiporter 1 (CPA1) transporter (TC 2.A.36) family. (515 aa)
RELL2RELT-like protein 2; Induces activation of MAPK14/p38 cascade, when overexpressed. Induces apoptosis, when overexpressed ; Belongs to the RELT family. (303 aa)
WNK2Serine/threonine-protein kinase WNK2; Serine/threonine kinase which plays an important role in the regulation of electrolyte homeostasis, cell signaling, survival, and proliferation. Acts as an activator and inhibitor of sodium-coupled chloride cotransporters and potassium-coupled chloride cotransporters respectively. Activates SLC12A2, SCNN1A, SCNN1B, SCNN1D and SGK1 and inhibits SLC12A5. Negatively regulates the EGF-induced activation of the ERK/MAPK-pathway and the downstream cell cycle progression. Affects MAPK3/MAPK1 activity by modulating the activity of MAP2K1 and this modulatio [...] (2297 aa)
SLC9A5Sodium/hydrogen exchanger 5; Involved in pH regulation to eliminate acids generated by active metabolism or to counter adverse environmental conditions. Major proton extruding system driven by the inward sodium ion chemical gradient. Plays an important role in signal transduction (By similarity). (896 aa)
SLC9C1Sodium/hydrogen exchanger 10; Sperm-specific sodium/hydrogen exchanger involved in intracellular pH regulation of spermatozoa. Required for sperm motility and fertility. Involved in sperm cell hyperactivation, a step needed for sperm motility which is essential late in the preparation of sperm for fertilization. Required for the expression and bicarbonate regulation of the soluble adenylyl cyclase (sAC) (By similarity). (1177 aa)
SLC26A7Anion exchange transporter; Acts as a sodium-independent DIDS-sensitive anion exchanger mediating bicarbonate, chloride, sulfate and oxalate transport. May play a role in the maintenance of the electrolyte and acid-base homeostasis in the kidney, by acting as a distal excretory segment- specific anion exchanger. Plays a major role in gastric acid secretion. (663 aa)
OXSR1Serine/threonine-protein kinase OSR1; Phosphorylates RELL1, RELL2 and RELT. Phosphorylates PAK1. Phosphorylates PLSCR1 in the presence of RELT. Belongs to the protein kinase superfamily. STE Ser/Thr protein kinase family. STE20 subfamily. (527 aa)
SLC9A9Sodium/hydrogen exchanger 9; May act in electroneutral exchange of protons for Na(+) across membranes. Involved in the effusion of Golgi luminal H(+) in exchange for cytosolic cations. Involved in organelle ion homeostasis by contributing to the maintenance of the unique acidic pH values of the Golgi and post-Golgi compartments in the cell. Belongs to the monovalent cation:proton antiporter 1 (CPA1) transporter (TC 2.A.36) family. (645 aa)
CYB5D1Cytochrome b5 domain containing 1. (228 aa)
CLCNKAChloride channel protein ClC-Ka; Voltage-gated chloride channel. Chloride channels have several functions including the regulation of cell volume; membrane potential stabilization, signal transduction and transepithelial transport. May be important in urinary concentrating mechanisms; Belongs to the chloride channel (TC 2.A.49) family. CLCNKA subfamily. (687 aa)
CHP1Calcineurin B homologous protein 1; Calcium-binding protein involved in different processes such as regulation of vesicular trafficking, plasma membrane Na(+)/H(+) exchanger and gene transcription. Involved in the constitutive exocytic membrane traffic. Mediates the association between microtubules and membrane-bound organelles of the endoplasmic reticulum and Golgi apparatus and is also required for the targeting and fusion of transcytotic vesicles (TCV) with the plasma membrane. Functions as an integral cofactor in cell pH regulation by controlling plasma membrane- type Na(+)/H(+) ex [...] (195 aa)
EZREzrin; Probably involved in connections of major cytoskeletal structures to the plasma membrane. In epithelial cells, required for the formation of microvilli and membrane ruffles on the apical pole. Along with PLEKHG6, required for normal macropinocytosis. (586 aa)
WNK1Serine/threonine-protein kinase WNK1; Serine/threonine kinase which plays an important role in the regulation of electrolyte homeostasis, cell signaling, survival, and proliferation. Acts as an activator and inhibitor of sodium-coupled chloride cotransporters and potassium-coupled chloride cotransporters respectively. Activates SCNN1A, SCNN1B, SCNN1D and SGK1. Controls sodium and chloride ion transport by inhibiting the activity of WNK4, by either phosphorylating the kinase or via an interaction between WNK4 and the autoinhibitory domain of WNK1. WNK4 regulates the activity of the thia [...] (2634 aa)
PDZK1Na(+)/H(+) exchange regulatory cofactor NHE-RF3; A scaffold protein that connects plasma membrane proteins and regulatory components, regulating their surface expression in epithelial cells apical domains. May be involved in the coordination of a diverse range of regulatory processes for ion transport and second messenger cascades. In complex with SLC9A3R1, may cluster proteins that are functionally dependent in a mutual fashion and modulate the trafficking and the activity of the associated membrane proteins. May play a role in the cellular mechanisms associated with multidrug resista [...] (519 aa)
SLC26A3Chloride anion exchanger; Chloride/bicarbonate exchanger. Mediates the efficient absorption of chloride ions in the colon, participating in fluid homeostasis. Plays a role in the chloride and bicarbonate homeostasis during sperm epididymal maturation and capacitation. (764 aa)
SLC12A6Solute carrier family 12 member 6; Mediates electroneutral potassium-chloride cotransport. May be activated by cell swelling. May contribute to cell volume homeostasis in single cells. (1150 aa)
WNK3Serine/threonine-protein kinase WNK3; Serine/threonine kinase which plays an important role in the regulation of electrolyte homeostasis, cell signaling, survival and proliferation. Acts as an activator and inhibitor of sodium-coupled chloride cotransporters and potassium-coupled chloride cotransporters respectively. Phosphorylates WNK4. Regulates the phosphorylation of SLC12A1 and SLC12A2. Increases Ca(2+) influx mediated by TRPV5 and TRPV6 by enhancing their membrane expression level via a kinase-dependent pathway. Inhibits the activity of KCNJ1 by decreasing its expression at the ce [...] (1800 aa)
SLC26A8Testis anion transporter 1; Acts as a DIDS-sensitive anion exchanger mediating chloride, sulfate and oxalate transport. May fulfill critical anion exchange functions in male germ line during meiosis and hence may play a role in spermatogenesis. May be involved in a new regulatory pathway linking sulfate transport to RhoGTPase signaling in male germ cells. A critical component of the sperm annulus that is essential for correct sperm tail differentiation and motility and hence male fertility. May form a molecular complex involved in the regulation of chloride and bicarbonate ions fluxes [...] (970 aa)
STK39STE20/SPS1-related proline-alanine-rich protein kinase; May act as a mediator of stress-activated signals. Mediates the inhibition of SLC4A4, SLC26A6 as well as CFTR activities by the WNK scaffolds, probably through phosphorylation. Phosphorylates RELT. Belongs to the protein kinase superfamily. STE Ser/Thr protein kinase family. STE20 subfamily. (545 aa)
HVCN1Voltage-gated hydrogen channel 1; Mediates the voltage-dependent proton permeability of excitable membranes. Forms a proton-selective channel through which protons may pass in accordance with their electrochemical gradient. Proton efflux, accompanied by membrane depolarization, facilitates acute production of reactive oxygen species in phagocytosis. (273 aa)
MSNMoesin; Ezrin-radixin-moesin (ERM) family protein that connects the actin cytoskeleton to the plasma membrane and thereby regulates the structure and function of specific domains of the cell cortex. Tethers actin filaments by oscillating between a resting and an activated state providing transient interactions between moesin and the actin cytoskeleton. Once phosphorylated on its C-terminal threonine, moesin is activated leading to interaction with F-actin and cytoskeletal rearrangement. These rearrangements regulate many cellular processes, including cell shape determination, membrane [...] (577 aa)
SLC26A9Solute carrier family 26 member 9; DIDS- and thiosulfate- sensitive anion exchanger mediating chloride, sulfate and oxalate transport. Mediates chloride/bicarbonate exchange or chloride-independent bicarbonate extrusion thus assuring bicarbonate secretion. Inhibited by ammonium and thiosulfate. Belongs to the SLC26A/SulP transporter (TC 2.A.53) family. (887 aa)
ADCY10Adenylate cyclase type 10; Catalyzes the formation of the signaling molecule cAMP. May function as sensor that mediates responses to changes in cellular bicarbonate and CO(2) levels. Has a critical role in mammalian spermatogenesis by producing the cAMP which regulates cAMP-responsive nuclear factors indispensable for sperm maturation in the epididymis. Induces capacitation, the maturational process that sperm undergo prior to fertilization (By similarity). Involved in ciliary beat regulation. (1610 aa)
SLC9A6Sodium/hydrogen exchanger 6; Electroneutral exchange of protons for Na(+) and K(+) across the early and recycling endosome membranes. Contributes to calcium homeostasis. (701 aa)
CLCNKBChloride channel protein ClC-Kb; Voltage-gated chloride channel. Chloride channels have several functions including the regulation of cell volume; membrane potential stabilization, signal transduction and transepithelial transport. May be important in urinary concentrating mechanisms. Belongs to the chloride channel (TC 2.A.49) family. CLCNKB subfamily. (687 aa)
KCNJ1ATP-sensitive inward rectifier potassium channel 1; In the kidney, probably plays a major role in potassium homeostasis. Inward rectifier potassium channels are characterized by a greater tendency to allow potassium to flow into the cell rather than out of it. Their voltage dependence is regulated by the concentration of extracellular potassium; as external potassium is raised, the voltage range of the channel opening shifts to more positive voltages. The inward rectification is mainly due to the blockage of outward current by internal magnesium. This channel is activated by internal A [...] (391 aa)
SLC12A8Solute carrier family 12 member 8; Cation/chloride cotransporter that may play a role in the control of keratinocyte proliferation. (714 aa)
SLC9B2Sodium/hydrogen exchanger 9B2; Na(+)/H(+) antiporter that extrudes Na(+) or Li(+) in exchange for external protons across the membrane. Contributes to the regulation of intracellular pH, sodium homeostasis, and cell volume. Plays an important role for insulin secretion and clathrin-mediated endocytosis in beta-cells (By similarity). Involved in sperm motility and fertility (By similarity). It is controversial whether SLC9B2 plays a role in osteoclast differentiation or not (By similarity). (537 aa)
SLC26A6Solute carrier family 26 member 6; Apical membrane anion-exchanger with wide epithelial distribution that plays a role as a component of the pH buffering system for maintaining acid-base homeostasis. Acts as a versatile DIDS- sensitive inorganic and organic anion transporter that mediates the uptake of monovalent anions like chloride, bicarbonate, formate and hydroxyl ion and divalent anions like sulfate and oxalate. Functions in multiple exchange modes involving pairs of these anions, which include chloride-bicarbonate, chloride-oxalate, oxalate-formate, oxalate- sulfate and chloride- [...] (759 aa)
UMODUromodulin, secreted form; [Uromodulin]: Functions in biogenesis and organization of the apical membrane of epithelial cells of the thick ascending limb of Henle's loop (TALH), where it promotes formation of complex filamentous gel-like structure that may play a role in the water barrier permeability (Probable). May serve as a receptor for binding and endocytosis of cytokines (IL-1, IL-2) and TNF. Facilitates neutrophil migration across renal epithelia. (673 aa)
SLC12A5Solute carrier family 12 member 5; Mediates electroneutral potassium-chloride cotransport in mature neurons and is required for neuronal Cl(-) homeostasis. As major extruder of intracellular chloride, it establishes the low neuronal Cl(-) levels required for chloride influx after binding of GABA-A and glycine to their receptors, with subsequent hyperpolarization and neuronal inhibition (By similarity). Involved in the regulation of dendritic spine formation and maturation. (1139 aa)
SLC4A10Sodium-driven chloride bicarbonate exchanger; Sodium/bicarbonate cotransporter which plays an important role in regulating intracellular pH. Has been shown to act as a sodium/bicarbonate cotransporter in exchange for intracellular chloride (By similarity). Has also been shown to act as a sodium/biocarbonate cotransporter which does not couple net influx of bicarbonate to net efflux of chloride, with the observed chloride efflux being due to chloride self-exchange. Controls neuronal pH and may contribute to the secretion of cerebrospinal fluid (By similarity). Reduces the excitability o [...] (1118 aa)
SLC12A4Solute carrier family 12 member 4; Mediates electroneutral potassium-chloride cotransport when activated by cell swelling. May contribute to cell volume homeostasis in single cells. May be involved in the regulation of basolateral Cl(-) exit in NaCl absorbing epithelia (By similarity). Isoform 4 has no transport activity. (1087 aa)
RELL1RELT-like protein 1; Induces activation of MAPK14/p38 cascade, when overexpressed. Induces apoptosis, when overexpressed. (271 aa)
SLC12A3Solute carrier family 12 member 3; Electroneutral sodium and chloride ion cotransporter. In kidney distal convoluted tubules, key mediator of sodium and chloride reabsorption. Receptor for the proinflammatory cytokine IL18. Contributes to IL18-induced cytokine production, including IFNG, IL6, IL18 and CCL2. May act either independently of IL18R1, or in a complex with IL18R1 (By similarity). (1030 aa)
SLC4A8Electroneutral sodium bicarbonate exchanger 1; Mediates electroneutral sodium- and carbonate-dependent chloride-HCO3(-) exchange with a Na(+):HCO3(-) stoichiometry of 2:1. Plays a major role in pH regulation in neurons. May be involved in cell pH regulation by transporting HCO3(-) from blood to cell. Enhanced expression in severe acid stress could be important for cell survival by mediating the influx of HCO3(-) into the cells. Also mediates lithium-dependent HCO3(-) cotransport. May be regulated by osmolarity. (1093 aa)
SLC9A3R2Na(+)/H(+) exchange regulatory cofactor NHE-RF2; Scaffold protein that connects plasma membrane proteins with members of the ezrin/moesin/radixin family and thereby helps to link them to the actin cytoskeleton and to regulate their surface expression. Necessary for cAMP-mediated phosphorylation and inhibition of SLC9A3. May also act as scaffold protein in the nucleus. (337 aa)
SLC9A8Sodium/hydrogen exchanger 8; Involved in pH regulation to eliminate acids generated by active metabolism or to counter adverse environmental conditions. Major proton extruding system driven by the inward sodium ion chemical gradient. Plays an important role in signal transduction. Belongs to the monovalent cation:proton antiporter 1 (CPA1) transporter (TC 2.A.36) family. (597 aa)
SLC4A2Anion exchange protein 2; Plasma membrane anion exchange protein of wide distribution. (1241 aa)
SLC4A9Anion exchange protein 4; Probable apical anion exchanger of the kidney cortex. Belongs to the anion exchanger (TC 2.A.31) family. (983 aa)
RHBGAmmonium transporter Rh type B; Functions as a specific ammonium transporter. (458 aa)
SLC9A7Sodium/hydrogen exchanger 7; Mediates electroneutral exchange of protons for Na(+) and K(+) across endomembranes. May contribute to the regulation of Golgi apparatus volume and pH. (726 aa)
SLC12A1Solute carrier family 12 member 1; Renal sodium, potassium and chloride ion cotransporter that mediates the transepithelial NaCl reabsorption in the thick ascending limb and plays an essential role in the urinary concentration and volume regulation. Electrically silent transporter system. (1099 aa)
RDXRadixin; Probably plays a crucial role in the binding of the barbed end of actin filaments to the plasma membrane. (604 aa)
BSNDBarttin; Functions as a beta-subunit for CLCNKA and CLCNKB chloride channels. In the kidney CLCNK/BSND heteromers mediate chloride reabsorption by facilitating its basolateral efflux. In the stria, CLCNK/BSND channels drive potassium secretion by recycling chloride for the basolateral SLC12A2 cotransporter. (320 aa)
Your Current Organism:
Homo sapiens
NCBI taxonomy Id: 9606
Other names: H. sapiens, human, man
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