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-100641

4-Hydroxytolbutamide	Inhibitor	99.69%
4-Hydroxytolbutamide (Hydroxytolbutamide) is a metabolite of Tolbutamide. 4-Hydroxytolbutamide is metabolized by CYP2C8 and CYP2C9. Tolbutamide is a first generation potassium channel blocker and a sulfonylurea oral antidiabetic.

HY-W010950A

Flecainide hydrochloride	Inhibitor	99.93%
Flecainide hydrochloride is an orally active antiarrhythmic agent. Flecainide hydrochloride can block sodium channels and inhibit calcium ion release mediated by the cardiac ryanodine receptor (RyR2). Flecainide hydrochloride can be used in the research of diseases such as catecholaminergic polymorphic ventricular tachycardia (CPVT).

HY-B0883

3,6-Diaminoacridine hemisulfate	Inhibitor	98.45%
Proflavine hemisulfate is a multifunctional acridine compound. 3,6-Diaminoacridine hemisulfate is an acridine dye and also a DNA inserter. Proflavine hemisulfate is a potent broad-spectrum antibacterial agent, and its mechanism is to insert into bacterial DNA, interfering with replication and transcription, causing bacterial lysis. 3,6-Diaminoacridine hemisulfate is a K_ir3.2 potassium channel blocker and can be used to study the neurological phenotype of Down syndrome. 3,6-Diaminoacridine hemisulfate can penetrate the stratum corneum of the skin and accumulate in the cell nucleus and long-term exposure may induce skin cancer or other malignant tumors.

HY-108577A

XE991	Inhibitor	99.69%
XE 991 dihydrochloride, a Kv7 (KCNQ) channels blocker, potently inhibits Kv7.1 (KCNQ1), Kv7.2 (KCNQ2), Kv7.2 + Kv7.3 (KCNQ3) channel, and M-current with IC₅₀s of 0.75 μM, 0.71 μM, 0.6 μM, and 0.98 μM, respectively.

HY-N2877

Annonacin	Inhibitor	98.09%
Annonacin is an acetylgenin that is toxic by inhibiting the pathway of the mitochondrial complex. Annonacin increases tau phosphorylation in R406W^+/+ mice. Annonacin acts as an inhibitor of the sodium/potassium and sarcoplasmic reticulum (SERCA) ATPase pumps. Annonacin has significant killing effect on ovarian cancer cell, cervical cancer cell, breast cancer cell, bladder cancer cell and skin cancer cell. Annonacin induces apoptosis through Bax and Caspase-3-related pathways.

HY-130354

Dibutyryl-cGMP sodium	Activator	99.66%
Dibutyryl-cGMP sodium (Bt2cGMP sodium) is a cell-permeable cGMP analogue. Dibutyryl-cGMP sodium preferentially activates cGMP-dependent protein kinase (PKG). Dibutyryl-cGMP sodium inhibits the release of [³H]-arachidonic acid from γ thrombin-stimulated human platelets. Dibutyryl-cGMP sodium induces peripheral antinociception via activation of ATP-sensitive K⁺ channels.

HY-16953

JNJ 303	Inhibitor	98.74%
JNJ-303 is a specific delayed rectifier Kv blocker. JNJ 303 can potent block I_Ks with an IC₅₀ value of 64 nM. JNJ-303 can be used for the research of diabetes, obesity and central nervous system.

HY-B0267A

Oxybutynin chloride	Inhibitor	98.49%
Oxybutynin chloride is an oral active and competitive mAChR antagonist with K_is of 14.3 and 5.55 nM for specific [³H]NMS binding in the mouse bladder and cerebral cortex, respectively. Oxybutynin chloride inhibits vascular Kv channels in a manner independent of anticholinergic effect, with an IC₅₀ value of 11.51 μM. Oxybutynin chloride reduces muscle spasm in the bladder and urinary tract, can be used in study of overactive bladder syndrome (OAB). Oxybutynin (chloride) 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-101396

ICA-069673	Activator	99.20%
ICA-069673 is a KCNQ2/Q3 potassium channel activator. ICA-069673 demonstrates greater selectivity for KV7.2/7.3 over KV7.3/KV7.5, with EC₅₀s of 0.69 μM and 14.3 μM, respectively. ICA-069673 inhibits spontaneous phasic and nerve-evoked contractions in guinea pig detrusor smooth muscle (DSM). ICA-069673 also decreases the global intracellular Ca(2+) concentration in DSM cells.

HY-112705

VU0529331	Inhibitor	99.81%
VU0529331 is a modestly selective non-GIRK1-containing G protein-gated, inwardly-rectifying, potassium channel (non-GIRK1/X) activator, with EC₅₀s of 5.1 µM and 5.2 µM for GIRK2 and GIRK1/2 in HEK293 cells, respectively, also effective on GIRK4 homomeric channel.

HY-108573

P-1075	Activator	99.81%
P-1075 is a potent activator of sulfonylurea receptor 2-associated ATP-sensitive potassium channels (SUR2-K_IR6), with an EC₅₀ value of 45 nM for SUR2B-K_IR6 channel activation. P-1075 also P1075 opens mitochondrial K(ATP) channels and generates reactive oxygen species resulting in cardioprotection of rabbit hearts.

HY-148825

NP10679	Inhibitor	98.40%
NP10679 is a selective, pH dependent GluN2B subunit-specific N-methyl-D-aspartate (NMDA) receptor inhibitor with high oral bioavailability and good brain penetration. NP10679 inhibits GluN2B with IC₅₀s of 23 and 142 nM at pH 6.9 and 7.6, respectively. NP10679 is a histamine H1 antagonist and a hERG channel inhibitor with IC₅₀s of 73 and 620 nM, respectively. NP10679 is a reversible inhibitor of human liver CYP enzymes.

HY-13044

ADL-5859 hydrochloride	Inhibitor	99.72%
ADL-5859 hydrochloride (compound 20) is a selective and orally active δ opioid receptor (DOR) agonist with an K_i and an EC₅₀ value of 0.84 and 20 nM, respectively. ADL-5859 hydrochloride also shows inhibitory activity to hERG channel with an IC₅₀ value of 78 μM. ADL-5859 hydrochloride can be used for the research of pain.

HY-B2133

Cloperastine hydrochloride	Inhibitor	99.39%
Cloperastine hydrochloride inhibits the hERG K⁺ currents in a concentration-dependent manner with an IC₅₀ value of 27 nM.

HY-14183

Vernakalant Hydrochloride	Inhibitor	99.33%
Vernakalant hydrochloride is a mixed voltage- and frequency-dependent Na⁺ and atria-preferred K⁺ channel blocker. IC₅₀ for block by Vernakalant of wild-type and mutant Kv1.5 channels Fractional block is 13.35±0.93 μM, 0.61±0.03 μM, and 1.63±0.09 μM for Kv1.5 channel^wt, Kv1.5 channel^I508F, Kv1.5 channel^T479A, respectively.

HY-P1422

Spadin	Inhibitor	99.84%
Spadin, a natural peptide derived from a propeptide released in blood, is a potent TREK-1 channel blocker with IC₅₀ value of 10 nM. Spadin enhances dorsal raphe nucleus 5-HT neurotransmission in mice and induces hippocampal CREB activation and neurogenesis. Spadin can be used for antidepressant research.

HY-N1504

Loureirin B	Inhibitor	99.95%
Loureirin B, a flavonoid extracted from Dracaena cochinchinensis, is an inhibitor of plasminogen activator inhibitor-1 (PAI-1), with an IC₅₀ of 26.10 μM; Loureirin B also inhibits K_ATP, the phosphorylation of ERK and JNK, and has anti-diabetic activity.

HY-B0380A

Trimebutine maleate	Inhibitor	99.91%
Trimebutine maleate is a multi-target inhibitor and opioid receptor agonist with antimuscarinic activity. Trimebutine maleate 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 maleate 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 maleate also induces tumor cell apoptosis by inhibiting the AKT/ERK pathway. Trimebutine maleate also inhibits excessive contraction of smooth muscle and can be used in the study of gastrointestinal disorders such as irritable bowel syndrome (IBS).

HY-B1741

3,6-Diaminoacridine	Inhibitor	98.78%
Proflavine is a multifunctional acridine compound. 3,6-Diaminoacridine is an acridine dye and also a DNA inserter. Proflavine is a potent broad-spectrum antibacterial agent, and its mechanism is to insert into bacterial DNA, interfering with replication and transcription, causing bacterial lysis. 3,6-Diaminoacridine is a K_ir3.2 potassium channel blocker and can be used to study the neurological phenotype of Down syndrome. 3,6-Diaminoacridine can penetrate the stratum corneum of the skin and accumulate in the cell nucleus and long-term exposure may induce skin cancer or other malignant tumors.

HY-148304A

VU6036720 hydrochloride	Inhibitor	99.65%
VU6036720 hydrochloride is a potent and specific in vitro inhibitor of Kir4.1/5.1. VU6036720 hydrochloride can inhibit Kir4.1/5.1 channels with an IC₅₀ value of 0.24 μM. VU6036720 hydrochloride can be used for the research of brain and kidney.

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):