KV11.1

By Targets:	Potassium Channel (17) Sodium Channel (1)
By Research Areas:	Cancer (1) Cardiovascular Disease (4) Inflammation/Immunology (4) Neurological Disease (7)

Cat. No.	Product Name	Target	Research Areas	Chemical Structure

HY-137986

LUF7244	Potassium Channel	Inflammation/Immunology
LUF7244 is a selective allosteric modulator of K_v11.1 channels. LUF7244 inhibits early afterdepolarizations. LUF7244 can be used for anti-arrhythmia research .

HY-P1440A

BeKm-1 TFA	Potassium Channel
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-120375

LUF7346

Potassium Channel Cardiovascular Disease

LUF7346 is a potent Kv11.1 (hERG) channel negative allosteric modulator, with an IC₅₀ of 35.6 ± 3.2 nM .

LUF7346	Potassium Channel	Cardiovascular Disease
LUF7346 is a potent Kv11.1 (hERG) channel negative allosteric modulator, with an IC₅₀ of 35.6 ± 3.2 nM .

HY-116759

VU0405601	Potassium Channel	Cardiovascular Disease
VU0405601 is a potent KV11.1 channel activator. VU0405601 protects cardiac tissue from dofetilide (HY-B0232)-induced ventricular tachycardia .

HY-P3089

Dendrotoxin K	Potassium Channel	Others
Dendrotoxin K is a Kv1.1 channel blocker. Dendrotoxin K determines glutamate release in CA3 neurons in a time-dependent manner through the control of the presynaptic spike waveform .

HY-P3089A

Dendrotoxin K TFA	Potassium Channel	Others
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-P3055

Dendrotoxin-I DTX-I	Potassium Channel	Neurological Disease Cancer
Dendrotoxin-I is a potent K ⁺ channels blocker and targets voltage-gated potassium channel subunits KV1.1 and KV1.2. Dendrotoxin-I is a neurotoxin isolated from thevenom of Dendroaspis snakes .

HY-P5788

Hemitoxin	Potassium Channel	Neurological Disease
Hemitoxin, a scorpion-venom peptide, is a K ⁺ channel blocker. Hemitoxin blocks rat Kv1.1, Kv1.2 and Kv1.3 channels expressed in Xenopus oocytes with IC₅₀ values of 13 nM, 16 nM and 2 nM, respectively .

HY-113673

A-935142	Potassium Channel	Cardiovascular Disease
A-935142 is a *human ether-a-go-go-related gene (hERG, Kv 11.1) channel* activator. A-935142 enhances hERG current in a complex manner by facilitation of activation, reduction of inactivation, and slowing of deactivation, and abbreviates atrial and ventricular repolarization .

HY-P5853

Aam-KTX	Potassium Channel	Inflammation/Immunology
Aam-KTX is a K_v channel inhibitor with IC₅₀ values of 1.1 nM and >750 nM for K_v1.3 and *K_v*1.1, 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-P3014

Hongotoxin-1	Potassium Channel	Others
Hongotoxin-1, isolated from venom of Centruroides limbatus, is the inhibitor of potassium channel, with IC₅₀ for? Kv1.1, Kv1.2, Kv1.3, and Kv1.6 of 31 pM, 170 pM, 86 pM,and 6000 pM, respectively .

HY-108586

NS3623	Potassium Channel	Neurological Disease
NS3623 is an activator of *human ether-a-go-go-related gene (hERG1/K_V11.1)* potassium channels. NS3623 activates the IKr and Ito** currents and has antiarrhythmic effect. NS3623 has a dual mode of action, being an inhibitor of hERG1 channels .

HY-P5771

Jingzhaotoxin-IX	Sodium Channel	Neurological Disease
Jingzhaotoxin-IX, a C-terminally amidated peptide composed of 35 amino acid residues, is a neurotoxin. Jingzhaotoxin-IX inhibits voltage-gated sodium channels (both tetrodotoxin-resistant and tetrodotoxin-sensitive isoforms) and Kv2.1 channel. Jingzhaotoxin-IX has no effect on delayed rectifier potassium channel Kv1.1, 1.2 and 1.3 .

HY-P1280

Margatoxin	Potassium Channel	Neurological Disease
Margatoxin, an alpha-KTx scorpion toxin, is a high affinity inhibitor of Kv1.3 (K_d=11.7 pM). Margatoxin inhibits the Kv1.2 (K_d=6.4 pM) and Kv1.1 (K_d=4.2 nM). Margatoxin, a 39 amino-acid-long peptide, is isolated from the venom of the scorpion Centruroides margaritatus and widely used in ion channel research .

HY-P3316

OSK-1	Potassium Channel	Neurological Disease Inflammation/Immunology
OSK-1 is a potent K_v channel blocker with IC₅₀s of of 0.6 nM, 5.4 nM, 0.014 nM for K_v1.1, K_v1.2 and K_v1.3, respectively. OSK1 is a moderate blocker of Ca ²⁺-activated K_Ca3.1 channel with an IC₅₀ of 225 nM. OSK-1 belongs to α-KTx3 toxins and is used as a immunosuppressive agent .

HY-P1280A

Margatoxin TFA	Potassium Channel	Neurological Disease
Margatoxin TFA, an alpha-KTx scorpion toxin, is a high affinity inhibitor of Kv1.3 (K_d=11.7 pM). Margatoxin TFA inhibits the Kv1.2 (K_d=6.4 pM) and Kv1.1 (K_d=4.2 nM). Margatoxin TFA, a 39 amino-acid-long peptide, is isolated from the venom of the scorpion Centruroides margaritatus and widely used in ion channel research .

HY-P5870

KTX-Sp2	Potassium Channel	Inflammation/Immunology
KTX-Sp2 is a potassium channel toxin. KTX-Sp2 effectively blocks three types of exogenous voltage-gated potassium channels: Kv1.1, Kv1.2 and Kv1.3. Ktx-Sp2 inhibits endogenous Kv1.3 and suppresses Ca ²⁺ signaling in Jurkat T cells. Ktx-Sp2 inhibits IL-2 secretion from activated Jurkat T cells .

HY-120355A

AP14145 hydrochloride	Potassium Channel	Cardiovascular Disease
AP14145 hydrochloride is a potent K_Ca2 (SK) channel negative allosteric modulator with an IC₅₀ of 1.1 μM for K_Ca2.2 (SK2) and K_Ca2.3 (SK3) channels. AP14145 hydrochloride inhibition strongly depends on two amino acids, S508 and A533 in the channel. AP14145 hydrochloride prolonged atrial effective refractory period (AERP) in rats and demonstrates antiarrhythmic effects in a Vernakalant-resistant porcine model of atrial fibrillation (AF) .

Cat. No.	Product Name	Target	Research Area

HY-P3089A

Dendrotoxin K TFA	Potassium Channel	Others
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-P1440A

BeKm-1 TFA	Potassium Channel
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-P3089

Dendrotoxin K	Potassium Channel	Others
Dendrotoxin K is a Kv1.1 channel blocker. Dendrotoxin K determines glutamate release in CA3 neurons in a time-dependent manner through the control of the presynaptic spike waveform .

HY-P3055

Dendrotoxin-I DTX-I	Potassium Channel	Neurological Disease Cancer
Dendrotoxin-I is a potent K ⁺ channels blocker and targets voltage-gated potassium channel subunits KV1.1 and KV1.2. Dendrotoxin-I is a neurotoxin isolated from thevenom of Dendroaspis snakes .

HY-P5788

Hemitoxin	Potassium Channel	Neurological Disease
Hemitoxin, a scorpion-venom peptide, is a K ⁺ channel blocker. Hemitoxin blocks rat Kv1.1, Kv1.2 and Kv1.3 channels expressed in Xenopus oocytes with IC₅₀ values of 13 nM, 16 nM and 2 nM, respectively .

HY-P5853

Aam-KTX	Potassium Channel	Inflammation/Immunology
Aam-KTX is a K_v channel inhibitor with IC₅₀ values of 1.1 nM and >750 nM for K_v1.3 and *K_v*1.1, 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-P3014

Hongotoxin-1	Potassium Channel	Others
Hongotoxin-1, isolated from venom of Centruroides limbatus, is the inhibitor of potassium channel, with IC₅₀ for? Kv1.1, Kv1.2, Kv1.3, and Kv1.6 of 31 pM, 170 pM, 86 pM,and 6000 pM, respectively .

HY-P5771

Jingzhaotoxin-IX	Sodium Channel	Neurological Disease
Jingzhaotoxin-IX, a C-terminally amidated peptide composed of 35 amino acid residues, is a neurotoxin. Jingzhaotoxin-IX inhibits voltage-gated sodium channels (both tetrodotoxin-resistant and tetrodotoxin-sensitive isoforms) and Kv2.1 channel. Jingzhaotoxin-IX has no effect on delayed rectifier potassium channel Kv1.1, 1.2 and 1.3 .

HY-P1280

Margatoxin	Potassium Channel	Neurological Disease
Margatoxin, an alpha-KTx scorpion toxin, is a high affinity inhibitor of Kv1.3 (K_d=11.7 pM). Margatoxin inhibits the Kv1.2 (K_d=6.4 pM) and Kv1.1 (K_d=4.2 nM). Margatoxin, a 39 amino-acid-long peptide, is isolated from the venom of the scorpion Centruroides margaritatus and widely used in ion channel research .

HY-P3316

OSK-1	Potassium Channel	Neurological Disease Inflammation/Immunology
OSK-1 is a potent K_v channel blocker with IC₅₀s of of 0.6 nM, 5.4 nM, 0.014 nM for K_v1.1, K_v1.2 and K_v1.3, respectively. OSK1 is a moderate blocker of Ca ²⁺-activated K_Ca3.1 channel with an IC₅₀ of 225 nM. OSK-1 belongs to α-KTx3 toxins and is used as a immunosuppressive agent .

HY-P1280A

Margatoxin TFA	Potassium Channel	Neurological Disease
Margatoxin TFA, an alpha-KTx scorpion toxin, is a high affinity inhibitor of Kv1.3 (K_d=11.7 pM). Margatoxin TFA inhibits the Kv1.2 (K_d=6.4 pM) and Kv1.1 (K_d=4.2 nM). Margatoxin TFA, a 39 amino-acid-long peptide, is isolated from the venom of the scorpion Centruroides margaritatus and widely used in ion channel research .

HY-P5870

KTX-Sp2	Potassium Channel	Inflammation/Immunology
KTX-Sp2 is a potassium channel toxin. KTX-Sp2 effectively blocks three types of exogenous voltage-gated potassium channels: Kv1.1, Kv1.2 and Kv1.3. Ktx-Sp2 inhibits endogenous Kv1.3 and suppresses Ca ²⁺ signaling in Jurkat T cells. Ktx-Sp2 inhibits IL-2 secretion from activated Jurkat T cells .

Cat. No.	Product Name	Category	Target	Chemical Structure

HY-P1280

Margatoxin	Natural Products Animals Neurological Disease Source classification Disease Research Fields	Potassium Channel
Margatoxin, an alpha-KTx scorpion toxin, is a high affinity inhibitor of Kv1.3 (K_d=11.7 pM). Margatoxin inhibits the Kv1.2 (K_d=6.4 pM) and Kv1.1 (K_d=4.2 nM). Margatoxin, a 39 amino-acid-long peptide, is isolated from the venom of the scorpion Centruroides margaritatus and widely used in ion channel research .

HY-P3055

Dendrotoxin-I DTX-I	Structural Classification Animals Cyclopeptides Source classification Animal Venoms	Potassium Channel
Dendrotoxin-I is a potent K ⁺ channels blocker and targets voltage-gated potassium channel subunits KV1.1 and KV1.2. Dendrotoxin-I is a neurotoxin isolated from thevenom of Dendroaspis snakes .

Cat. No.	Compare	Product Name	Species	Source

HY-P701834

	hERG Protein, Human (HEK293, GFP, His) KCNH2; Potassium voltage-gated channel subfamily H member 2; Eag homolog; Ether-a-go-go-related gene potassium channel 1; ERG-1; Eag-related protein 1; Ether-a-go-go-related protein 1; H-ERG; hERG-1; hERG1; Voltage-gated potassium channel subunit KV11.1	Human	HEK293
	The hERG protein is the α subunit of voltage-gated potassium channels and is critical for mediating cardiac delayed rectifier potassium current (IKr). It lacks individual channel activity but dynamically affects properties by forming heterotetramers with other isoforms. hERG Protein, Human (HEK293, GFP, His) is the recombinant human-derived hERG protein, expressed by HEK293 , with C-10*His, C-GFP labeled tag. ,


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KV11.1

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