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 (572)
Antibodies (5)

By Effects:	Inhibitors (374) Agonists (7) Antagonists (25) Activators (116) Modulators (20) Chemical (1)

Cat. No.	Product Name	Effect	Purity	Chemical Structure

HY-17504B

Rosuvastatin Sodium	Inhibitor	99.85%
Rosuvastatin Sodium is a competitive HMG-CoA reductase (HMGCR) inhibitor, with an IC₅₀ of 11 nM. Rosuvastatin Sodium potently blocks hERG current with an IC₅₀ of 195 nM. Rosuvastatin Sodium reduces the expression of the mature hERG and the interaction of heat shock protein 70 (Hsp70) with the hERG protein. Rosuvastatin Sodium effectively lowers low-density lipoprotein (LDL) cholesterol, triglycerides, and C-reactive protein levels.

HY-110153

NS19504	Activator	99.93%
NS19504 is a Ca²⁺-activated K⁺ channel (BK channel, KCa1.1 channel) activator (EC₅₀=11.0 µM) with relaxing effect on bladder smooth muscle spontaneous phasic contractions.

HY-19620A

Branaplam hydrochloride	Inhibitor	99.42%
Branaplam (LMI070; NVS-SM1) hydrochloride is a highly potent, selective and orally active survival motor neuron-2 (SMN2) splicing modulator with an EC₅₀ of 20 nM for SMN. Branaplam hydrochloride inhibits human-ether-a-go-go-related gene (hERG) with an IC₅₀ of 6.3 μM. Branaplam hydrochloride elevates full-length SMN protein and extends survival in a severe spinal muscular atrophy (SMA) mouse model.

HY-N1934

Dihydroberberine	Inhibitor	98.44%
Dihydroberberine is a naturally occurring isoquinoline alkaloid with anti-inflammatory, anti-atherosclerotic, hypolipidemic and anti-tumor activities. Dihydroberberine inhibits the human ether-related gene (hERG) channel and significantly reduces the expression of heat shock protein 90 (Hsp90) and its interaction with hERG. Dihydroberberine also blocks the TLR4/MyD88/NF-κB signaling pathway to reduce pro-inflammatory cytokines and immunoglobulins, and has inhibitory effects on DSS (HY-116282C)-induced experimental colitis. Dihydroberberine also increases the sensitivity of lung cancer to sunitinib (HY-10255A), with synergistic efficacy.

HY-B0753

Gliclazide	Inhibitor	99.96%
Gliclazide (S1702) is a whole-cell beta-cell ATP-sensitive potassium currents blocker with an IC₅₀ of 184 nM. Gliclazide is used as an antidiabetic.

HY-B1467

Domiphen bromide	Inhibitor	99.61%
Domiphen bromide is a chemical antiseptic and a quaternary ammonium compound, used as a cationic surfactant.

HY-N0221

Daurisoline	Inhibitor	99.67%
Daurisoline is a bis-benzylisoquinoline alkaloid that can be isolated from Menispermum dauricum and Rhizoma Menispermi. Daurisoline exerts a blocking effect on hERG and has antiarrhythmic effects. Daurisoline is a potent autophagy blocker that can be used for the research of cancer.

HY-P0256A

Apamin TFA	Inhibitor
Apamin TFA (Apamine TFA) is an 18 amino acid peptide neurotoxin found in apitoxin (bee venom), is known as a specifically selective blocker of Ca²⁺-activated K⁺ (SK) channels and exhibits anti-inflammatory and anti-fibrotic activity.

HY-111655

SKA-31	Activator	99.56%
SKA-31 is a potent potassium channel activator with EC_50s of 260 nM, 1.9 μM, 2.9 μM, and 2.9 μM for KCa3.1, KCa2.2, KCa2.1 and KCa2.3, respectively. SKA-31 potentiates endothelium-derived hyperpolarizing factor response and lowers blood pressure.

HY-B0267

Oxybutynin	Inhibitor	99.55%
Oxybutynin is an anticholinergic agent, which inhibits vascular K_v channels in a concentration-dependent manner, with an IC₅₀ of 11.51 μM. Oxybutynin 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-122560A

VU0134992 hydrochloride	Inhibitor	98.34%
VU0134992 hydrochloride is the first subtype-preferring, orally active and selective Kir4.1 potassium channel pore blocker, with an IC₅₀ of 0.97 µM. VU0134992 hydrochloride is 9-fold selective for homomeric Kir4.1 over Kir4.1/5.1 concatemeric channels (IC₅₀=9 µM) at -120 mV.

HY-106369

HMR 1556	Inhibitor	99.90%
HMR 1556, a chromanol derivative, is a potent I_Ks blocker with IC₅₀s of 10.5 nM and 34 nM in canine and guinea pig left ventricular myocytes, respectively.

HY-108588

NS5806	Activator	98.77%
NS5806, a potent potassium current activator, increases K_V4.3/KChIP2 peak current amplitudes with an EC₅₀ of 5.3 μM. NS5806 slows K_V4.3 and K_V4.2 current dacay in channel complexes containing KChIP2.

HY-12533

Disopyramide	Inhibitor	99.93%
Disopyramide (Dicorantil) is a class IA antiarrhythmic agent with efficacy in ventricular and atrial arrhythmias. Disopyramide blocks the fast inward sodium current of cardiac muscle and prolongs the duration of cardiac action potentials. Disopyramide inhibits HERG encoded potassium channels. Disopyramide also exhibits complex protein binding, and has a potent negative inotropic action.

HY-P3467

(Thr4,Gly7)-Oxytocin	Inhibitor	99.90%
(Thr4,Gly7)-Oxytocin, an Oxytocin analogue, is a specific OT receptor agonist. (Thr4,Gly7)-Oxytocin also excites subicular neurons via activation of TRPV1 channels, and depression of K⁺ channels. .

HY-B0883

Proflavine hemisulfate	Inhibitor	98.45%
Proflavine hemisulfate, an acridine dye, is a known DNA intercalating agent. Anti-microbial agent. Proflavine hemisulfate behaves as a pore blocker for K_ir3.2. Proflavine hemisulfate is a potential lead compound for K_ir3.2-associated neurological diseases.

HY-W011509

CyPPA	Activator	99.99%
CyPPA is a positive modulator of hSK3 and hSK2, with EC₅₀ values of 14 μM and 5.6 μM, repectively. CyPPA is inactive on both hSK1 and hIK channels^[1]

HY-122114

ICA-27243	Activator	99.18%
ICA-27243 is a selective, potent and orally active KCNQ2/Q3 potassium channel opener with an EC₅₀ of 0.38 μM. ICA-27243 is less effective at activating KCNQ4 and KCNQ3/Q5. ICA-27243 has antiepileptic and anticonvulsant effects.

HY-P1422A

Spadin TFA	Inhibitor	99.73%
Spadin TFA, a natural peptide derived from a propeptide released in blood, is a potent TREK-1 channel blocker with an IC₅₀ value of 10 nM. Spadin TFA enhances dorsal raphe nucleus 5-HT neurotransmission in mice and induces hippocampal CREB activation and neurogenesis. Spadin TFA can be used for antidepressant research.

HY-15565

APD668	Inhibitor	99.10%
APD668 is a potent, selective and orally active agonist of G-protein coupled receptor GPR119, with EC₅₀s of 2.7 nM and 33 nM for hGPR119 and rGPR119, respectively. APD668 shows no significant inhibition of any of the five major CYP isoforms with the exception of CYP2C9 (K_i=0.1 μM). APD668 can be used for the research of steatohepatitis and diabetes.

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Potassium Channel

Potassium Channel

Potassium Channel Related Products (572)

Antibodies (5)

Potassium Channel Related Products (572):