Potassium Channel

KcsA

Potassium Channel

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Potassium channels are the most widely distributed type of ion channel and are found in virtually all living organisms. They form potassium-selective pores that span cell membranes. Potassium channels are found in most cell types and control a wide variety of cell functions. Potassium channels function to conduct potassium ions down their electrochemical gradient, doing so both rapidly and selectively. Biologically, these channels act to set or reset the resting potential in many cells. In excitable cells, such asneurons, the delayed counterflow of potassium ions shapes the action potential. By contributing to the regulation of the action potential duration in cardiac muscle, malfunction of potassium channels may cause life-threatening arrhythmias. Potassium channels may also be involved in maintaining vascular tone.

Potassium Channel Related Products (932)
Antibodies (6)
Related Compound Screening Libraries (1)

By Effects:	Controls (9) Inhibitors (573) Agonists (16) Antagonists (35) Activators (197) Modulators (31) Chemical (1)

Cat. No.	Product Name	Effect	Purity	Chemical Structure

HY-12882

Ifenprodil	Inhibitor	99.94%
Ifenprodil (NP-120), a cerebral vasodilator, is a noncompetitive NMDA receptor antagonist. Ifenprodil exerts high affinity at NR1A/NR2B receptors (IC₅₀=0.34 μM) over 400-fold than at NR1A/NR2A receptors (IC₅₀=146 μM). Ifenprodil is an α1 adrenergic receptor antagonist. Ifenprodil inhibits GIRK (Kir3), reduces inward currents through the basal GIRK activity. Ifenprodil has reliable inhibitory effects against A/H1N1 strains (EC₅₀ of 6.6 µM). Ifenprodil has neuroprotective, anticonvulsant and antinociceptive effects. Ifenprodil can be used for the study of cerebrovascular diseases and peripheral arterial obliterative disease.

HY-107414

SKA-121	Activator	99.69%
SKA-121 is a selective K_Ca3.1 activator. SKA-121 exhibits EC₅₀s of 109 nM and 4.4 μM for K_Ca3.1 and K_Ca2.3, respectively.

HY-B0189

Mosapride	Inhibitor	99.87%
Mosapride is an orally active gastroenterokinetic compound. Mosapride is a 5HT4 agonist. Mosapride is a CYP inducer. Mosapride has a concentration-dependent inhibitory effect on Kv4.3, and its IC₅₀ value is 15.2 μM. Mosapride can be used in the study of gastrointestinal diseases.

HY-17504A

Rosuvastatin	Inhibitor	99.67%
Rosuvastatin (ZD 4522) is a competitive HMG-CoA reductase inhibitor with an IC₅₀ of 11 nM. Rosuvastatin potently blocks hERG current with an IC₅₀ of 195 nM, delayed cardiac repolarization, and thereby prolonged action potential durations (APDs) and corrected QT interval (QTc) intervals. Rosuvastatin reduces the expression of the mature hERG and the interaction of heat shock protein 70 (Hsp70) with the hERG protein. Rosuvastatin effectively lowers low-density lipoprotein (LDL) cholesterol, triglycerides, and C-reactive protein levels.

HY-15206S1

Glyburide-d₃	Inhibitor	99.64%
Glyburide-d₃ is the deuterium labeled Glibenclamide. Glibenclamide (Glyburide) is an orally active ATP-sensitive K+ channel (KATP) inhibitor and can be used for the research of diabetes and obesity[1]. Glibenclamide inhibits P-glycoprotein. Glibenclamide directly binds and blocks the SUR1 subunits of KATP and inhibits the cystic fibrosis transmembrane conductance regulator protein (CFTR)[3]. Glibenclamide interferes with mitochondrial bioenergetics by inducing changes on membrane ion permeability[4]. Glibenclamide can induce autophagy[5].

HY-172431

Opakalim	Activator	99.88%
Opakalim (BHV-7000) is a selective and orally active Kv7.2/7.3 potassium channels activator. Opakalim shows minimal GABAA receptor activation and exhibits potent anti-seizure efficacy in the maximal electroshock seizure (MES) model. Opakalim can be used for the study of seizures.

HY-110162

QO 58		99.01%
QO 58 is a potent modulator of K(v)7 channels. QO-58 increases the current amplitudes, shifts the voltage-dependent activation curve in a more negative direction and slows the deactivation of K(v)7.2/K(v)7.3 currents. QO-58 has the potential for the research of diseases associated with neuronal hyperexcitability.

HY-17504R

Rosuvastatin Calcium (Standard)	Inhibitor
Rosuvastatin (Calcium) (Standard) is the analytical standard of Rosuvastatin (Calcium). This product is intended for research and analytical applications. Rosuvastatin Calcium is a competitive HMG-CoA reductase (HMGCR) inhibitor, with an IC₅₀ of 11 nM. Rosuvastatin Calcium potently blocks hERG current with an IC₅₀ of 195 nM. Rosuvastatin Calcium reduces the expression of the mature hERG and the interaction of heat shock protein 70 (Hsp70) with the hERG protein. Rosuvastatin Calcium effectively lowers low-density lipoprotein (LDL) cholesterol, triglycerides, and C-reactive protein levels.

HY-B0772A

Nifekalant hydrochloride	Inhibitor	99.92%
Nifekalant hydrochloride (MS-551), a class III antiarrhythmic agent, is a IKr potassium channel blocker with an IC₅₀ of 10 µM. Nifekalant hydrochloride can be used for refractory ventricular tachyarrhythmias research.

HY-18600A

Azimilide dihydrochloride	Inhibitor	98.17%
Azimilide (NE-10064) dihydrochloride is a class III antiarrhythmic agent, which works by blocking potassium channels in the heart. Azimilide dihydrochloride is a dual blocker of I_Ks (IC₅₀ = 2.6 μM (2mM [K⁺]ₑ)) and I_Kr (IC₅₀ = 1 μM (4 mM [K⁺])). Azimilide dihydrochloride blocked HERG channel at 0.1 and 1 Hz with IC₅₀s of 1.4 μM and 5.2 μM respectively. Azimilide dihydrochloride also inhibits L-type calcium current (I_Ca) (IC₅₀ = 17.8 μM) and sodium current (I_Na) (IC₅₀ = 19 μM). Azimilide dihydrochloride can be used for the study of atrial fibrillation and ventricular fibrillation.

HY-B1430

Butamben	Inhibitor	99.82%
Butamben (Butyl 4-aminobenzoate) results in long-lasting relief from pain, without impairing motor function or other sensory functions.

HY-100607A

Landiolol hydrochloride	Control	99.96%
Landiolol (ONO1101) hydrochloride is a highly selective, ultra-short-acting competitive inhibitor of β₁ adrenergic receptors. Landiolol hydrochloride specifically blocks cardiac β₁ receptors, reducing heart rate and myocardial oxygen consumption. Landiolol hydrochloride inhibits TNF-α-induced excessive mitochondrial oxygen consumption and reactive oxygen species production in a sepsis model, alleviating renal injury. Landiolol hydrochloride has little effect on cardiac ion channels (such as L-type calcium current and inward rectifier potassium current) and has a weak negative inotropic effect. Landiolol hydrochloride can be used for perioperative tachycardia control and protection studies of sepsis-related acute kidney injury.

HY-110011

Cromakalim		99.43%
Cromakalim is a potassium channel opener. Cromakalim can be used as a bronchodilator in asthma. Cromakalim inhibits the spontaneous tone of human isolated bronchi in a concentration-related manner being nearly as effective as isoprenaline or theophylline.

HY-P3089A

Dendrotoxin K TFA	Inhibitor	99.54%
Dendrotoxin K TFA is a Kv1.1 channel blocker. Dendrotoxin K TFA determines glutamate release in CA3 neurons in a time-dependent manner through the control of the presynaptic spike waveform.

HY-15643A

LY 303511 hydrochloride	Inhibitor	98.87%
LY 303511 hydrochloride is a structural analogue of LY294002. LY303511 does not inhibit PI3K. LY303511 enhances TRAIL sensitivity of SHEP-1 neuroblastoma cells. LY303511 reversibly blocks K⁺ currents (IC₅₀=64.6±9.1 μM) in MIN6 insulinoma cells.

HY-B0380

Trimebutine	Inhibitor	99.42%
Trimebutine is a multi-target inhibitor and opioid receptor agonist with antimuscarinic activity. Trimebutine inhibits L-type Ca²⁺ channels and large-conductance calcium-activated potassium channels (BK_Ca channels), thereby inhibiting extracellular calcium influx and potassium ion efflux. Trimebutine also targets Toll-like receptors, inhibits Toll-like receptor 2/4/7/8/9 signals, and inhibits LPS-induced IRAK1 activation, as well as ERK1/2, JNK and NF-κB activation, thereby exerting anti-inflammatory effects. Trimebutine also induces tumor cell apoptosis by inhibiting the AKT/ERK pathway. Trimebutine also inhibits excessive contraction of smooth muscle and can be used in the study of gastrointestinal disorders such as irritable bowel syndrome (IBS).

HY-16915

RPR-260243	Activator	99.91%
RPR-260243, a potent activator of human ether-a-go-go-related gene (hERG), slows deactivation and attenuates inactivation of hERG1 channels. RPR260243-modified HERG currents are inhibited by Dofetilide (IC₅₀=58 nM). RPR260243 displays no activator-like effects on other voltage-dependent ion channels, including the closely related ERG3 K+ channel. RPR-260243 is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.

HY-125469

ICA-105665	Agonist	99.85%
ICA-105665 (PF-04895162) is a potent and orally active neuronal Kv7.2/7.3 and Kv7.3/7.5 potassium channels opener. ICA-105665 inhibits liver mitochondrial function and bile salt export protein (BSEP) transport (IC₅₀ of 311 μM). ICA-105665 can penetrate the blood-brain barrier and has antiseizure effects.

HY-B1751B

Quinine sulfate	Inhibitor
Quinidine sulfate is an antiarrhythmic agent. Quinidine sulfate is a potent, orally active, selective cytochrome P450db inhibitor. Quinidine sulfate is also a K⁺ channel blocker with an IC₅₀ of 19.9 μM. Quinidine sulfate can be used for malaria research.

HY-118607

VU041	Inhibitor	99.31%
VU041 is a first submicromolar-affinity inhibitor of *Anopheles (An.) gambiae* and Aedes (Ae.) aegypti inward rectifier potassium 1 (Kir1) channels with IC₅₀ values of 2.5 μM and 1.7 μM, respectively. VU041 inhibits appreciably is mammalian Kir2.1 (IC₅₀ of 12.7 μM), and has less inhibitory effect on mammalian Kir1.1, Kir4.1, Kir6.2/SUR1, and Kir7.1. VU041 also induces impaired Malpighian tubule function.

Potassium Channel Compound Library

Compound library containing a variety of potassium channel inhibitors and activators.

289compounds HY-L119

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Potassium Channel

Potassium Channel

Potassium Channel Related Products (932)

Antibodies (6)

Related Compound Screening Libraries (1)

Potassium Channel Related Products (932):