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Target intelligence / Profile preview
Potassium Channel Protein Subunit
- Molecular classification
- Ion Channel, Potassium Channel, Voltage-gated potassium channel (Kv), Inwardly rectifying potassium channel (Kir), Two-pore domain potassium channel (K2P/KCNK), Calcium-activated potassium channel
01
Overview
A potassium channel protein subunit is a membrane-spanning protein that assembles with other subunits to form a functional potassium (K⁺) channel. These channels are integral membrane proteins responsible for the selective passage of K⁺ ions across biological membranes, playing critical roles in regulating cell excitability, maintaining resting membrane potential, controlling cell volume, and mediating secretion of neurotransmitters and hormones. They are key players both biologically and therapeutically.
02
Mechanism of action
Modulation of potassium ion flow across cell membranes
03
Biological functions
Membrane potential regulationAction potential generationCardiac muscle repolarizationHormone secretionCell proliferationCell migrationCalcium signalingOsmotic balance
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Disease associations
Neurological disordersCardiovascular diseasesCancerAutoimmune conditions
05
Safety considerations
ArrhythmiaNeurological side effects
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