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) Agonists (24) Controls (11) Antagonists (38) Activators (231) Modulators (39) Chemical (1)

Cat. No.	Product Name	Effect	Purity	Chemical Structure

HY-B0254R

Glipizide (Standard)	Inhibitor
Glipizide (Standard) is the analytical standard of Glipizide. This product is intended for research and analytical applications. Glipizide (CP 2872; K 4024) a potent, orally active and sulfonylurea class anti-diabetic agent and can be used for type 2 diabetes mellitus research but not type 1. Glipizide acts by partially blocking ATP-sensitive potassium (K_ATP) channels among β cells of pancreatic islets of Langerhans.

HY-P5871A

Jingzhaotoxin-XII TFA	Inhibitor
Jingzhaotoxin-XII (JzTx-XII) TFA is a specific Kv4.1 channel inhibitor with an IC₅₀ of 0.363 μM. Jingzhaotoxin-XII TFA interacts with the channels by modifying the gating behavior.

HY-P0191

Charybdotoxin	Inhibitor
Charybdotoxin, a 37-amino acid peptide, is a K⁺ channel blocker.

HY-15206S

Glyburide-d₁₁	Inhibitor	99.39%
Glyburide-d₁₁ 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. Glibenclamide inhibits P-glycoprotein. Glibenclamide directly binds and blocks the SUR1 subunits of KATP and inhibits the cystic fibrosis transmembrane conductance regulator protein (CFTR). Glibenclamide interferes with mitochondrial bioenergetics by inducing changes on membrane ion permeability. Glibenclamide can induce autophagy.

HY-175802

HBI-2375		98.06%
HBI-2375 (HYBI-084) is a brain-penetrant WDR5 inhibitor with an IC₅₀ of 4.48 nM. HBI-2375 binds to the WINR5 and disrupts MLL1-WDR5 protein-protein interactions. HBI-2375 inhibits cancer cells proliferation and shows anti-tumor activity in AML mouse models, and increases tumor CD8⁺ cytotoxic T lymphocyte infiltration. HBI-2375 inhibits hERG with an IC₅₀ of 17 µM.

HY-113066S

Guanosine 5'-diphosphate-¹⁵N₅ dilithium	Activator	98.20%
Guanosine 5'-diphosphate-¹⁵N₅ (GDP-¹⁵N₅) dilithium is ¹⁵N labeled Guanosine 5'-diphosphate (HY-113066). Guanosine 5'-diphosphate (GDP) is a nucleoside diphosphate that activates adenosine 5'-triphosphate-sensitive K⁺ channel. Guanosine 5'-diphosphate is a potential iron mobilizer, which prevents the hepcidin-ferroportin interaction and modulates the interleukin-6 (IL-6)/stat-3 pathway. Guanosine 5'-diphosphate can be used in the research of inflammation, such as anemia of inflammation (AI).

HY-12355A

Siponimod hemifumarate	Activator	99.64%
Siponimod (BAF-312) hemifumarate is an orally active, blood-brain barrier penetrant dual agonist of S1P1/S1P5, with EC₅₀ values of 0.39 nM and 0.98 nM, respectively. Siponimod hemifumarate induces S1P1 internalization, activates GIRK channels, inhibits lymphocyte egress, reduces peripheral lymphocyte counts, triggers transient bradycardia, prevents synaptic neurodegeneration, promotes remyelination, alleviates demyelination, and prevents the loss of GABAergic interneurons. Siponimod hemifumarate can be used in research related to multiple sclerosis.

HY-152847

Foslevcromakalim	Inhibitor	99.52%
Foslevcromakalim (QLS-101) is a ATP-sensitive potassium channel opener. Foslevcromakalim is the proagent used for ocular hypotensive effect.

HY-134559

TKIM	Inhibitor	99.73%
TKIM is a TREK-1 channel inhibitor with an IC₅₀ of 2.96 μM. TKIM binds to the pocket of the intermediate (IM) state of TREK-1.

HY-B0480A

Brompheniramine	Inhibitor	99.82%
Brompheniramine ((±)-Brompheniramine) is a potent and orally active antihistamine of the alkylamine class. Brompheniramine is a selective histamine H1 receptor antagonist with a K_d of 6.06 nM. Brompheniramine can block the hERG channels, calcium channels, and sodium channels with IC₅₀s of 0.90 μM, 16.12 μM and 21.26 μM, respectively. Brompheniramine has anticholinergic, antidepressant and anesthetic properties and can be used for allergic rhinitis research.

HY-P1073

ProTx-I	Inhibitor
ProTx-I is a toxin derived from Thrixopelma pruriens and a peptide inhibitor targeting TTX-resistant sodium channels. ProTx-I interacts with voltage sensors of multiple domains such as NaV1.7, reduces neuronal excitability through allosteric modulation of channel gating and alteration of voltage dependence. The IC₅₀ values of ProTx-I against human NaV1.7, NaV1.2, NaV1.6, and NaV1.5 are 95 nM, 104 nM, 21 nM, and 358 nM, respectively; ProTx-I also potently inhibits Ba²⁺ currents of hCav3.1, while its inhibitory potency against hCav3.2 is approximately 160-fold lower. ProTx-I is applicable to the research of chronic pain.

HY-B2179

Cloperastine fendizoate	Inhibitor	99.53%
Cloperastine fendizoate inhibits the hERG K⁺ currents in a concentration-dependent manner with an IC₅₀ value of 27 nM.

HY-100418

SKA-111	Activator	99.97%
SKA-111 is a selective activator of potassium phannel K_Ca3.1 , evokes K_Ca3.1 membrane hyperpolarization in porcine endothelial cell. SKA-111 is capable of improving Bradykinin (HY-P0206)-induced coronary dilations in the isolated rat heart and can be used for cardiovascular disease research.

HY-B0254S

Glipizide-d₁₁	Inhibitor
Glipizide-d₁₁ is the deuterium labeled Glipizide. Glipizide (CP 2872; K 4024)?a potent, orally active and sulfonylurea class anti-diabetic agent and can be used for type 2?diabetes mellitus research but not type 1. Glipizide acts by partially blocking ATP-sensitive potassium?(KATP) channels among β cells of pancreatic islets of Langerhans.

HY-B1221S1

Flufenamic acid-¹³C₆	Activator
Flufenamic acid-¹³C₆ is the ¹³C₆ labeled Flufenamic acid. Flufenamic acid is a non-steroidal anti-inflammatory agent, inhibits cyclooxygenase (COX), activates AMPK, and also modulates ion channels, blocking chloride channels and L-type Ca²⁺ channels, modulating non-selective cation channels (NSC), activating K+ channels. Flufenamic acid binds to the central pocket of TEAD2 YBD and inhibits both TEAD function and TEAD-YAP-dependent processes, such as cell migration and proliferation.

HY-B1109R

N-Acetylprocainamide (Standard)	Inhibitor
Cimetidine (hydrochloride) (Standard) is the analytical standard of Cimetidine (hydrochloride). This product is intended for research and analytical applications. Cimetidine (SKF-92334) hydrochloride is an orally active and inverse histamine H2 receptor antagonist with a Ki of 0.6 μM. Cimetidine hydrochloride is a gastric acid reducer, and can be used for duodenal and gastric ulcers research. Cimetidine hydrochloride has anti-cancer and anti-inflammatory activity.

HY-100795A

Pirmenol hydrochloride	Inhibitor	99.34%
Pirmenol ((±)-Pirmenol) hydrochloride is an orally active antiarrhythmic agent. Pirmenol hydrochloride inhibits I_K.ACh (IC₅₀: 0.1 μM) by blocking mAchR. Pirmenol hydrochloride can be used in the research of cardiovascular disease, such as atrial fibrillation.

HY-106912A

L-706000 free base	Inhibitor
L-706000 (MK 499) free base is a potent hERG channel blocker with an IC₅₀ of 32 nM. L-706000 free base is a class III antiarrhythmic agent that can be used for the study of malignant ventricular tachyarrhythmias.

HY-155516

KV1.3-IN-1	Inhibitor	98.34%
KV1.3-IN-1 (Compound trans-18) is a KV1.3 channel inhibitor (IC₅₀: 230 nM and 26.12 nM in Ltk cells and PHA-activated T-lymphocytes respectively). KV1.3-IN-1 impairs intracellular Ca²⁺ signaling. KV1.3-IN-1 inhibits T-cell activation, proliferation, and colony formation.

HY-113066S1

Guanosine 5'-diphosphate-¹³C₁₀ dilithium	Activator	98.7%
Guanosine 5'-diphosphate-¹³C₁₀ (GDP-¹³C₁₀) dilithium is ¹³C-labeled Guanosine 5'-diphosphate (HY-113066). Guanosine 5'-diphosphate (GDP) is a nucleoside diphosphate that activates adenosine 5'-triphosphate-sensitive K⁺ channel. Guanosine 5'-diphosphate is a potential iron mobilizer, which prevents the hepcidin-ferroportin interaction and modulates the interleukin-6 (IL-6)/stat-3 pathway. Guanosine 5'-diphosphate can be used in the research of inflammation, such as anemia of inflammation (AI).

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):