HMR-1556

HMR-1556

Stock Code: 3576192
Manufacturer Part No: SML2354-25MG
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£583.61 (exc VAT) per 25MG
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Biochem/physiol Actions


HMR-1556 is a potent and selective blocker of the heteromeric KCNQ1-KCNE1 (KvLQT1-MinK) voltage-gated channel-mediated slowly activating K+ current (IKs IC50 = 120 nM in hKCNE1-transfected Xenopus oocytes; little or no inhibition of Herg, Kv1.3 (KCNA3), Kv1.5 (KCNA5), Kir2.1 (KCNJ2), HCN2 (BCNG2) current in respective oocyte transfectants). HMR-1556 is more potent than chromanol 293B (IKs IC50 = 34 nM and 2.1 µM, respectively; guinea pig ventricular myocytes), being inefficient against L-type Ca2+ channel or rapidly delayed & inward rectifier currents (IKr & IK1) in guinea pig ventricular myocytes, nor transient & sustained outward currents, I(to) & I(sus), in rat ventricular myocytes.

Colourwhite to beige
ManufacturerSIGMA-ALDRICH
Storage Temp.2-8°C
SolubilityDMSO: 2 mg/mL, clear
Formpowder
Assay≥98% (HPLC)

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