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Potassium voltage-gated channel subfamily KQT member 1

A voltage-gated potassium channel subunit KCNQ1 that is encoded in the genome of human. [PRO:CNA, UniProtKB:P51787]

Synonyms

IKs producing slow voltage-gated potassium channel subunit alpha KvLQT1;
KQT-like 1;
Voltage-gated potassium channel subunit Kv7.1

Research

Bioassay Publications (7)

TimeframeStudies on this Protein(%)All Drugs %
pre-19900 (0.00)18.7374
1990's0 (0.00)18.2507
2000's4 (57.14)29.6817
2010's3 (42.86)24.3611
2020's0 (0.00)2.80

Compounds (41)

Drugs with Inhibition Measurements

DrugTaxonomyMeasurementAverage (mM)Bioassay(s)Publication(s)
N-(2-aminoethyl)-5-chloro-1-naphthalenesulfonamideHomo sapiens (human)IC5054,954,100,000.000011
alfuzosinHomo sapiens (human)IC50125.893011
lamotrigineHomo sapiens (human)IC50158.489011
duloxetineHomo sapiens (human)IC5010.000011
nelfinavirHomo sapiens (human)IC5079.432811
nebivololHomo sapiens (human)IC5027.829822
uk 68798Homo sapiens (human)IC50204.839022
doripenemHomo sapiens (human)IC50316.228011
tadalafilHomo sapiens (human)IC50204.839022
paliperidoneHomo sapiens (human)IC50251.189011
293b cpdHomo sapiens (human)IC505.000011
moxifloxacinHomo sapiens (human)IC50278.298022
solifenacinHomo sapiens (human)IC5031.622811
telbivudineHomo sapiens (human)IC50251.189011
etravirineHomo sapiens (human)IC501,258.930011
lapatinibHomo sapiens (human)IC50251.189011
darunavirHomo sapiens (human)IC50183.173422
senicapocHomo sapiens (human)IC501.000011
lacosamideHomo sapiens (human)IC50251.189011
tolterodineHomo sapiens (human)IC5079.432811
darifenacinHomo sapiens (human)IC5019.952611
s 1033Homo sapiens (human)IC50398.107011
maravirocHomo sapiens (human)IC5063.095711
dasatinibHomo sapiens (human)IC50251.189011
n-(6-chloropyridin-3-yl)-4-fluorobenzamideHomo sapiens (human)IC5066.000011
sitagliptinHomo sapiens (human)IC50316.228011
acacetinHomo sapiens (human)IC5081.400010
mdl 100907Homo sapiens (human)Ki1.060011
silodosinHomo sapiens (human)IC50251.189011
su 11248Homo sapiens (human)IC5063.095711
alvimopan anhydrousHomo sapiens (human)IC5050.118711
palonosetronHomo sapiens (human)IC5050.118711
everolimusHomo sapiens (human)IC50100.000011
6-cyano-4-(n-ethylsulfonyl-n-methylamino)-3-hydroxy-2,2-dimethylchromane, (trans-(+))-isomerHomo sapiens (human)IC5024.750022
lu 208075Homo sapiens (human)IC50282.141422
hmr 1556Homo sapiens (human)IC500.120022
ica 27243Homo sapiens (human)IC5041.000011
raltegravirHomo sapiens (human)IC5025.118911
sildenafilHomo sapiens (human)IC50278.298022
vardenafilHomo sapiens (human)IC50630.957011

Drugs with Activation Measurements

DrugTaxonomyMeasurementAverage (mM)Bioassay(s)Publication(s)
(r)-n-(4-(4-methoxyphenyl)thiazol-2-yl)-1-tosylpiperidine-2-carboxamideHomo sapiens (human)EC500.260011

Enables

This protein enables 14 target(s):

TargetCategoryDefinition
voltage-gated potassium channel activitymolecular functionEnables the transmembrane transfer of a potassium ion by a voltage-gated channel. A voltage-gated channel is a channel whose open state is dependent on the voltage across the membrane in which it is embedded. [GOC:mtg_transport, ISBN:0815340729]
delayed rectifier potassium channel activitymolecular functionEnables the transmembrane transfer of a potassium ion by a delayed rectifying voltage-gated channel. A delayed rectifying current-voltage relation is one where channel activation kinetics are time-dependent, and inactivation is slow. [GOC:mah, PMID:11343411, PMID:2462513]
protein bindingmolecular functionBinding to a protein. [GOC:go_curators]
calmodulin bindingmolecular functionBinding to calmodulin, a calcium-binding protein with many roles, both in the calcium-bound and calcium-free states. [GOC:krc]
phosphatidylinositol-4,5-bisphosphate bindingmolecular functionBinding to phosphatidylinositol-4,5-bisphosphate, a derivative of phosphatidylinositol in which the inositol ring is phosphorylated at the 4' and 5' positions. [GOC:bf, GOC:jl]
protein phosphatase 1 bindingmolecular functionBinding to a protein phosphatase 1. [GOC:jl]
outward rectifier potassium channel activitymolecular functionEnables the transmembrane transfer of a potassium ion by an outwardly-rectifying voltage-gated channel. An outwardly rectifying current-voltage relation is one where at any given driving force the outward flow of K+ ions exceeds the inward flow for the opposite driving force. [GOC:mah]
protein kinase A catalytic subunit bindingmolecular functionBinding to one or both of the catalytic subunits of protein kinase A. [GOC:mah]
protein kinase A regulatory subunit bindingmolecular functionBinding to one or both of the regulatory subunits of protein kinase A. [GOC:mah]
transmembrane transporter bindingmolecular functionBinding to a transmembrane transporter, a protein or protein complex that enables the transfer of a substance, usually a specific substance or a group of related substances, from one side of a membrane to the other. [GOC:BHF, GOC:jl, PMID:33199372]
voltage-gated potassium channel activity involved in cardiac muscle cell action potential repolarizationmolecular functionEnables the transmembrane transfer of a potassium ion by a voltage-gated channel through the plasma membrane of a cardiac muscle cell contributing to the repolarization phase of an action potential. A voltage-gated channel is a channel whose open state is dependent on the voltage across the membrane in which it is embedded. [GOC:BHF, GOC:mtg_cardiac_conduct_nov11]
voltage-gated potassium channel activity involved in atrial cardiac muscle cell action potential repolarizationmolecular functionEnables the transmembrane transfer of a potassium ion by a voltage-gated channel through the plasma membrane of an atrial cardiomyocyte contributing to the repolarization phase of an action potential. A voltage-gated channel is a channel whose open state is dependent on the voltage across the membrane in which it is embedded. [GOC:BHF, GOC:mtg_cardiac_conduct_nov11]
scaffold protein bindingmolecular functionBinding to a scaffold protein. Scaffold proteins are crucial regulators of many key signaling pathways. Although not strictly defined in function, they are known to interact and/or bind with multiple members of a signaling pathway, tethering them into complexes. [GOC:BHF, GOC:sjp, PMID:10433269, Wikipedia:Scaffold_protein]
voltage-gated potassium channel activity involved in ventricular cardiac muscle cell action potential repolarizationmolecular functionEnables the transmembrane transfer of a potassium ion by a voltage-gated channel through the plasma membrane of a ventricular cardiomyocyte contributing to the repolarization phase of an action potential. A voltage-gated channel is a channel whose open state is dependent on the voltage across the membrane in which it is embedded. [GOC:BHF, GOC:mtg_cardiac_conduct_nov11, GOC:rl, GOC:TermGenie, PMID:8528244]

Located In

This protein is located in 17 target(s):

TargetCategoryDefinition
cytoplasmcellular componentThe contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures. [ISBN:0198547684]
lysosomecellular componentA small lytic vacuole that has cell cycle-independent morphology found in most animal cells and that contains a variety of hydrolases, most of which have their maximal activities in the pH range 5-6. The contained enzymes display latency if properly isolated. About 40 different lysosomal hydrolases are known and lysosomes have a great variety of morphologies and functions. [GOC:mah, ISBN:0198506732]
early endosomecellular componentA membrane-bounded organelle that receives incoming material from primary endocytic vesicles that have been generated by clathrin-dependent and clathrin-independent endocytosis; vesicles fuse with the early endosome to deliver cargo for sorting into recycling or degradation pathways. [GOC:mah, NIF_Subcellular:nlx_subcell_20090701, PMID:19696797]
late endosomecellular componentA prelysosomal endocytic organelle differentiated from early endosomes by lower lumenal pH and different protein composition. Late endosomes are more spherical than early endosomes and are mostly juxtanuclear, being concentrated near the microtubule organizing center. [NIF_Subcellular:nlx_subcell_20090702, PMID:11964142, PMID:2557062]
endoplasmic reticulumcellular componentThe irregular network of unit membranes, visible only by electron microscopy, that occurs in the cytoplasm of many eukaryotic cells. The membranes form a complex meshwork of tubular channels, which are often expanded into slitlike cavities called cisternae. The ER takes two forms, rough (or granular), with ribosomes adhering to the outer surface, and smooth (with no ribosomes attached). [ISBN:0198506732]
plasma membranecellular componentThe membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins. [ISBN:0716731363]
membranecellular componentA lipid bilayer along with all the proteins and protein complexes embedded in it and attached to it. [GOC:dos, GOC:mah, ISBN:0815316194]
basolateral plasma membranecellular componentThe region of the plasma membrane that includes the basal end and sides of the cell. Often used in reference to animal polarized epithelial membranes, where the basal membrane is the part attached to the extracellular matrix, or in plant cells, where the basal membrane is defined with respect to the zygotic axis. [GOC:go_curators]
apical plasma membranecellular componentThe region of the plasma membrane located at the apical end of the cell. [GOC:curators]
transport vesiclecellular componentAny of the vesicles of the constitutive secretory pathway, which carry cargo from the endoplasmic reticulum to the Golgi, between Golgi cisternae, from the Golgi to the ER (retrograde transport) or to destinations within or outside the cell. [GOC:mah, PMID:22160157]
cytoplasmic vesicle membranecellular componentThe lipid bilayer surrounding a cytoplasmic vesicle. [GOC:mah]
neuron projectioncellular componentA prolongation or process extending from a nerve cell, e.g. an axon or dendrite. [GOC:jl, http://www.cogsci.princeton.edu/~wn/]
neuronal cell bodycellular componentThe portion of a neuron that includes the nucleus, but excludes cell projections such as axons and dendrites. [GOC:go_curators]
membrane raftcellular componentAny of the small (10-200 nm), heterogeneous, highly dynamic, sterol- and sphingolipid-enriched membrane domains that compartmentalize cellular processes. Small rafts can sometimes be stabilized to form larger platforms through protein-protein and protein-lipid interactions. [PMID:16645198, PMID:20044567]
ciliary basecellular componentArea of the cilium (also called flagellum) where the basal body and the axoneme are anchored to the plasma membrane. The ciliary base encompasses the distal part of the basal body, transition fibers and transition zone and is structurally and functionally very distinct from the rest of the cilium. In this area proteins are sorted and filtered before entering the cilium, and many ciliary proteins localize specifically to this area. [GOC:cilia, GOC:krc, PMID:22653444]
lumenal side of membranecellular componentAny side (leaflet) of a membrane that faces the lumen of an organelle. [GOC:dos]
basolateral part of cellcellular componentThe region of a cell situated by the cell sides which interface adjacent cells and near the base. Often used in reference to animal polarized epithelial cells. [PMID:18495799]

Active In

This protein is active in 1 target(s):

TargetCategoryDefinition
membranecellular componentA lipid bilayer along with all the proteins and protein complexes embedded in it and attached to it. [GOC:dos, GOC:mah, ISBN:0815316194]

Part Of

This protein is part of 2 target(s):

TargetCategoryDefinition
voltage-gated potassium channel complexcellular componentA protein complex that forms a transmembrane channel through which potassium ions may cross a cell membrane in response to changes in membrane potential. [GOC:mah]
monoatomic ion channel complexcellular componentA protein complex that spans a membrane and forms a water-filled channel across the phospholipid bilayer allowing selective monoatomic ion transport down its electrochemical gradient. [GOC:mah, ISBN:071673706X]

Involved In

This protein is involved in 48 target(s):

TargetCategoryDefinition
gastrin-induced gastric acid secretionbiological processThe regulated release of gastric acid induced by the interaction of gastrin with its receptor. [GOC:hjd]
glucose metabolic processbiological processThe chemical reactions and pathways involving glucose, the aldohexose gluco-hexose. D-glucose is dextrorotatory and is sometimes known as dextrose; it is an important source of energy for living organisms and is found free as well as combined in homo- and hetero-oligosaccharides and polysaccharides. [ISBN:0198506732]
heart developmentbiological processThe process whose specific outcome is the progression of the heart over time, from its formation to the mature structure. The heart is a hollow, muscular organ, which, by contracting rhythmically, keeps up the circulation of the blood. [GOC:jid, UBERON:0000948]
sensory perception of soundbiological processThe series of events required for an organism to receive an auditory stimulus, convert it to a molecular signal, and recognize and characterize the signal. Sonic stimuli are detected in the form of vibrations and are processed to form a sound. [GOC:ai]
rhythmic behaviorbiological processThe specific behavior of an organism that recur with measured regularity. [GOC:jl, GOC:pr]
regulation of heart contractionbiological processAny process that modulates the frequency, rate or extent of heart contraction. Heart contraction is the process in which the heart decreases in volume in a characteristic way to propel blood through the body. [GOC:dph, GOC:go_curators, GOC:tb]
regulation of blood pressurebiological processAny process that modulates the force with which blood travels through the circulatory system. The process is controlled by a balance of processes that increase pressure and decrease pressure. [GOC:dph, GOC:mtg_cardio, ISBN:0721643949]
positive regulation of heart ratebiological processAny process that activates or increases the frequency or rate of heart contraction. [GOC:dph, GOC:tb]
iodide transportbiological processThe directed movement of iodide into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore. [GOC:krc]
erythrocyte differentiationbiological processThe process in which a myeloid precursor cell acquires specializes features of an erythrocyte. [GOC:mah]
intracellular chloride ion homeostasisbiological processA homeostatic process involved in the maintenance of a steady state level of chloride ions within a cell. [GOC:mah]
response to insulinbiological processAny process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of an insulin stimulus. Insulin is a polypeptide hormone produced by the islets of Langerhans of the pancreas in mammals, and by the homologous organs of other organisms. [GOC:mah, ISBN:0198506732]
social behaviorbiological processBehavior directed towards society, or taking place between members of the same species. Occurs predominantly, or only, in individuals that are part of a group. [GOC:jh2, PMID:12848939, Wikipedia:Social_behavior]
corticosterone secretionbiological processThe regulated release of corticosterone into the circulatory system. Corticosterone is a 21-carbon steroid hormone of the corticosteroid type produced in the cortex of the adrenal glands. [GOC:sl]
inner ear morphogenesisbiological processThe process in which the anatomical structures of the inner ear are generated and organized. The inner ear is the structure in vertebrates that contains the organs of balance and hearing. It consists of soft hollow sensory structures (the membranous labyrinth) containing fluid (endolymph) surrounded by fluid (perilymph) and encased in a bony cavity (the bony labyrinth). It consists of two chambers, the sacculus and utriculus, from which arise the cochlea and semicircular canals respectively. [GOC:jl, ISBN:0192801023]
inner ear developmentbiological processThe process whose specific outcome is the progression of the inner ear over time, from its formation to the mature structure. [GOC:sr]
intestinal absorptionbiological processA process in which nutrients are taken up from the contents of the intestine. [GOC:ai, GOC:dph]
detection of mechanical stimulus involved in sensory perception of soundbiological processThe series of events involved in the perception of sound vibration in which the vibration is received and converted into a molecular signal. [GOC:ai]
potassium ion homeostasisbiological processAny process involved in the maintenance of an internal steady state of potassium ions within an organism or cell. [GOC:jid, GOC:mah]
cardiac muscle contractionbiological processMuscle contraction of cardiac muscle tissue. [GOC:dph]
auditory receptor cell developmentbiological processThe process whose specific outcome is the progression of an auditory receptor cell over time, from its formation to the mature structure. Cell development does not include the steps involved in committing a cell to a specific fate. [GOC:dph]
regulation of membrane repolarizationbiological processAny process that modulates the establishment or extent of a membrane potential in the polarizing direction towards the resting potential, usually from positive to negative. [GOC:BHF, GOC:dph, GOC:mtg_cardiac_conduct_nov11, GOC:tb]
regulation of ventricular cardiac muscle cell membrane repolarizationbiological processAny process that modulates the establishment or extent of a membrane potential in the polarizing direction towards the resting potential in a ventricular cardiomyocyte. [GOC:BHF, GOC:dph, GOC:mtg_cardiac_conduct_nov11, GOC:tb]
regulation of atrial cardiac muscle cell membrane repolarizationbiological processAny process that modulates the establishment or extent of a membrane potential in the polarizing direction towards the resting potential in an atrial cardiomyocyte. [GOC:dph, GOC:tb]
positive regulation of cardiac muscle contractionbiological processAny process that increases the frequency, rate or extent of cardiac muscle contraction. [GOC:dph, GOC:tb]
regulation of gastric acid secretionbiological processAny process that modulates the rate frequency or extent of gastric secretion. Gastric secretion is the regulated release of gastric acid (hydrochloric acid) by parietal or oxyntic cells during digestion. [GOC:dph, GOC:tb]
stomach developmentbiological processThe process whose specific outcome is the progression of the stomach over time, from its formation to the mature structure. The stomach is an expanded region of the vertebrate alimentary tract that serves as a food storage compartment and digestive organ. [PMID:11967278]
renal absorptionbiological processA renal system process in which water, ions, glucose and proteins are taken up from the collecting ducts, glomerulus and proximal and distal loops of the nephron. In non-mammalian species, absorption may occur in related structures (e.g. protein absorption is observed in nephrocytes in Drosophila, see PMID:23264686). [GOC:dph, GOC:mah, GOC:yaf]
renal sodium ion absorptionbiological processA renal system process in which sodium ions are taken up from the collecting ducts and proximal and distal loops of the nephron. In non-mammalian species, absorption may occur in related structures. [GOC:dph, GOC:mah]
cellular response to cAMPbiological processAny process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a cAMP (cyclic AMP, adenosine 3',5'-cyclophosphate) stimulus. [GOC:mah]
cellular response to xenobiotic stimulusbiological processAny process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a stimulus from a xenobiotic, a compound foreign to the organism exposed to it. It may be synthesized by another organism (like ampicilin) or it can be a synthetic chemical. [GOC:krc, GOC:mah]
potassium ion transmembrane transportbiological processA process in which a potassium ion is transported from one side of a membrane to the other. [GOC:mah]
cellular response to epinephrine stimulusbiological processAny process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of an epinephrine stimulus. Epinephrine is a catecholamine that has the formula C9H13NO3; it is secreted by the adrenal medulla to act as a hormone, and released by certain neurons to act as a neurotransmitter active in the central nervous system. [GOC:BHF, GOC:mah]
adrenergic receptor signaling pathwaybiological processA G protein-coupled receptor signaling pathway initiated by a ligand binding to an adrenergic receptor on the surface of a target cell, and ending with the regulation of a downstream cellular process. [GOC:BHF]
cardiac muscle cell contractionbiological processThe actin filament-based process in which cytoplasmic actin filaments slide past one another resulting in contraction of a cardiac muscle cell. [GOC:BHF, GOC:mtg_cardiac_conduct_nov11]
ventricular cardiac muscle cell action potentialbiological processAn action potential that occurs in a ventricular cardiac muscle cell. [GOC:BHF, GOC:mtg_cardiac_conduct_nov11]
membrane repolarization during action potentialbiological processThe process in which ions are transported across a membrane such that the membrane potential changes in the direction from the positive membrane potential at the peak of the action potential towards the negative resting potential. [GOC:BHF, GOC:mtg_cardiac_conduct_nov11]
membrane repolarization during cardiac muscle cell action potentialbiological processThe process in which ions are transported across a membrane such that the cardiac muscle cell plasma membrane potential changes in the direction from the positive membrane potential at the peak of the action potential towards the negative resting potential. [GOC:BHF, GOC:mtg_cardiac_conduct_nov11]
atrial cardiac muscle cell action potentialbiological processAn action potential that occurs in an atrial cardiac muscle cell. [GOC:BHF, GOC:mtg_cardiac_conduct_nov11]
regulation of heart rate by cardiac conductionbiological processA cardiac conduction process that modulates the frequency or rate of heart contraction. [GOC:BHF, GOC:mtg_cardiac_conduct_nov11]
cochlea developmentbiological processThe progression of the cochlea over time from its formation to the mature structure. The cochlea is the snail-shaped portion of the inner ear that is responsible for the detection of sound. [GOC:dph, GOC:tb]
potassium ion export across plasma membranebiological processThe directed movement of potassium ions from inside of a cell, across the plasma membrane and into the extracellular region. [GOC:vw, PMID:11932440]
membrane repolarization during atrial cardiac muscle cell action potentialbiological processThe process in which ions are transported across a membrane such that the atrial cardiomyocyte membrane potential changes in the direction from the positive membrane potential at the peak of the action potential towards the negative resting potential. [GOC:dph, GOC:mtg_cardiac_conduct_nov11, GOC:tb]
membrane repolarization during ventricular cardiac muscle cell action potentialbiological processThe process in which ions are transported across a membrane such that the ventricular cardiomyocyte membrane potential changes in the direction from the positive membrane potential at the peak of the action potential towards the negative resting potential. [GOC:BHF, GOC:dph, GOC:mtg_cardiac_conduct_nov11, GOC:tb]
positive regulation of potassium ion transmembrane transportbiological processAny process that activates or increases the frequency, rate or extent of potassium ion transmembrane transport. [GOC:BHF, GOC:TermGenie]
non-motile cilium assemblybiological processThe aggregation, arrangement and bonding together of a set of components to form a non-motile cilium. [GO_REF:0000079, GOC:cilia, GOC:kmv, GOC:TermGenie, PMID:14521833, PMID:14521834]
potassium ion import across plasma membranebiological processThe directed movement of potassium ions from outside of a cell, across the plasma membrane and into the cytosol. [PMID:9139127]
action potentialbiological processA process in which membrane potential cycles through a depolarizing spike, triggered in response to depolarization above some threshold, followed by repolarization. This cycle is driven by the flow of ions through various voltage gated channels with different thresholds and ion specificities. [GOC:dph, GOC:go_curators, GOC:tb, ISBN:978-0-07-139011-8]