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 (1071)
Antibodies (6)
Related Compound Screening Libraries (1)

By Effects:	Inhibitors (640)

Cat. No.	Product Name	Effect	Purity	Chemical Structure

HY-185388

Bupivacaine liposome	Inhibitor
Bupivacaine liposome is a liposome-encapsulated form of Bupivacaine (HY-B0405). Bupivacaine is an NMDA receptor inhibitor. During the action potential, Bupivacaine blocks sodium channels, thereby inhibiting the generation and conduction of nerve impulses induced by painful stimuli. Bupivacaine liposome reduces the release rate of Bupivacaine, thus achieving a long-lasting pain relief effect.

HY-118387

AVE-0118	Inhibitor	98.93%
AVE-0118 is a Kv1.5 potassium channel blocker and antiarrhythmic agent. AVE-0118 blocks neuronal Kv1.5 potassium channels, thereby enhancing the release of norepinephrine. AVE-0118 enhances field stimulation-induced neurogenic contraction, an effect sensitive to α1-adrenergic receptor blockade. AVE-0118 terminates persistent atrial fibrillation in some dogs. AVE-0118 is applicable to research related to atrial fibrillation and persistent atrial fibrillation.

HY-144801A

DDO-02005	Inhibitor
DDO-02005 is a potent Kv1.5 potassium channel inhibitor with an IC₅₀ value of 0.72 μM. DDO-02005 has good anti-atrial fibrillation (AF) effect in CaCl₂-ACh AF rats model and effective anti-arrhythmic activity caused by aconitine.

HY-B0551S

Doxapram-d₈	Inhibitor	99.54%
Doxapram-d₈ is deuterated labeled Doxapram (HY-B0551). Doxapram is a respiratory stimulant. Doxapram increases breathing rate and depth by acting on the brain's respiratory centers and peripheral chemoreceptors. Doxapram inhibits TASK-1, TASK-3, TASK-1/TASK-3 heterodimeric channel function with EC₅₀s of 410 nM, 37 μM, 9 μM, respectively. Doxapram inhibits the Ca²⁺-activated potassium current (IC₅₀ ≈ 13 μM) and Ca²⁺-independent potassium current (IC₅₀ ≈ 20 μM) in type I cells of the carotid body. Doxapram significantly prolongs the effective refractory period of the atrium and has an anti-arrhythmic effect. Doxapram can be used for the study of respiratory depression such as post-anesthesia respiratory depression, chronic obstructive pulmonary disease and apnea of prematurity.

HY-18277

MK-7145	Inhibitor
MK-7145 is a ROMK inhibitor, with an IC₅₀ of 0.045 μM.

HY-144801

DDO-02005 free base	Inhibitor
DDO-02005 (free base) is a potent Kv1.5 potassium channel inhibitor with an IC₅₀ value of 0.72 μM. DDO-02005 (free base) has good anti-atrial fibrillation (AF) effect in CaCl₂-ACh AF rats model and effective anti-arrhythmic activity caused by aconitine.

HY-B1751C

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

HY-101422A

GAL-021 sulfate	Inhibitor
GAL-021 sulfate is a potent BK_Ca-channel blocker. GAL-021 sulfate inhibits K_Ca1.1 in GH3 cells. GAL-021 sulfate is a novel breathing control modulator that is based on selective modification of the almitrine pharmacophore. GAL-021 sulfate increases minute ventilation in rats and non-human primates.

HY-153219

P-CAB agent 2 hydrochloride	Inhibitor	98.0%
P-CAB agent 2 hydrochloride is a potent and orally active potassium-competitive acid blocker and a gastric acid secretion inhibitor. P-CAB agent 2 hydrochloride inhibits H⁺/K⁺-ATPase activity with an IC₅₀ value of <100 nM. P-CAB agent 2 hydrochloride inhibits the hERG potassium channel with an IC₅₀ value of 18.69 M. P-CAB agent 2 hydrochloride shows no acute toxicity and inhibits histamine (HY-B1204)-induced gastric acid secretion.

HY-111560

IQM-266	Inhibitor	99.42%
IQM-266 is a Downstream Regulatory Element Antagonist Modulator (DREAM) ligand with a K_D of 4.63 μM. IQM-266 inhibits the K_V4.3/DREAM current in a concentration-, voltage-, and time-dependent-manner. IQM-266 also modulates A-type outward potassium currents (IA) from rat dorsal root ganglia (DRG) neurons. IQM-266 can be used for neurological disease research, such as Alzheimer’s disease and Huntington's disease (HD).

HY-B0433B

Quinine hemisulfate	Inhibitor
Quinine hemisulfate is an orally active alkaloid extracted from cinchona bark and can be used in anti-malarial studies. Quinine hemisulfate is a potassium channel inhibitor that inhibits WT mouse Slo3 (K_Ca5.1) channel currents evoked by voltage pulses to +100 mV with an IC₅₀ of 169 μM.

HY-103196

Sotalol	Inhibitor
Sotalol is an orally active, non-selective β-adrenergic receptor blocker. Sotalol is a potent antiarrhythmic agent that can be used for the research of pediatric arrhythmias. Sotalol blocks β-receptors, and potassium KCNH2 channels. Antiepileptic Agent.

HY-P1440A

BeKm-1 TFA	Inhibitor
BeKm-1 TFA is a potent and selective KV11.1 (hERG) channel blocker. BeKm-1 TFA is selective for KV11.1 over a panel of 14 other potassium channels. BeKm-1 TFA dose-dependently prolongs QTc interval in isolated rabbit heart.

HY-B0718

Methoxyflurane	Inhibitor	98.0%
Methoxyflurane disrupts neuronal transmission by interfering with the release and re-uptake of neurotransmitters at post-synaptic terminals, or altering ionic conductance following receptor activation. Methoxyflurane is an analgesic agent that provides rapid short-term analgesia. Methoxyflurane may shows a effective non-opioid treatment option for trauma pain.

HY-A0148

Halofantrine	Inhibitor
Halofantrine (SKF-102886 hydrochloride; WR-171669 hydrochloride) is a blocker that delays the delayed rectifier potassium current by inhibiting human ERG channels, and it is a potent antimalarial agent with oral activity. Halofantrine inhibits the Cap1-dependent oxidative stress response of Candida albicans, suppresses ROS responses, and enhances the antifungal (Fungal) activity of oxidative damage agents. Halofantrine exhibits antifungal activity in the Galleria mellonella model, and shows antimalarial activity against Plasmodium strains both in vitro and in animal models. Halofantrine can be used in studies related to invasive candidiasis, falciparum malaria, and vivax malaria.

HY-P5177

GsAF-II	Inhibitor
GsAF-II is a peptide toxin that blocks hERG1 subtype potassium channels in a voltage-dependent manner. GsAF-II blocks Nav1.x subtype sodium channels.

HY-P5853

Aam-KTX	Inhibitor
Aam-KTX is a K_v channel inhibitor with IC₅₀ values of 1.1 nM and >750 nM for K_v1.3 and K_v1.1, respectively. Aam-KTX is a toxic peptide obtained from the venom of the scorpion Mesobuthus eupeus. Aam-KTX has potential in autoimmune diseases research.

HY-181103

ERG-IN-6	Inhibitor
ERG-IN-6 (compound (+)-(S)-5a) is a μ-opioid receptor activator with an EC₅₀ of 0.12 nM. ERG-IN-6 also is a hERG (Kv11.1) potassium channel inhibitor with an IC₅₀ of 0.681 μM. ERG-IN-6 can be used for the research of pain.

HY-186059

HCN2 modulator-4	Inhibitor
HCN2 modulator-4 is a HCN2 ion channel inhibitor. HCN2 modulator-4 inhibits HCN2 ion channel activity. HCN2 modulator-4 can be used for the research of pain, inflammatory pain, neuropathic pain, tinnitus, central nervous system disorders, psychiatric disorders, mood disorders.

HY-P10773

CTP-amiodarone	Inhibitor
CTP-amiodarone is a cell-penetrating conjugate of cardiomyocyte targeting peptide and Amiodarone (HY-14187). CTP-amiodarone exhibits antiarrhythmic efficacy through block of Na+, K+, Ca2+ channels and β-adrenergic receptors.

Potassium Channel Compound Library

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

321compounds HY-L119

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Potassium Channel

Potassium Channel

Potassium Channel Related Products (1071)

Antibodies (6)

Related Compound Screening Libraries (1)

Potassium Channel Related Products (1071):