Small-Conductance Calcium-Activated Potassium Channels

**Definition:** A major class of calcium-activated potassium channels that are found primarily in excitable CELLS. They play important roles in the transmission of ACTION POTENTIALS and generate a long-lasting hyperpolarization known as the slow afterhyperpolarization.

**Tree numbers:** - D12.776.157.530.400.600.150.750 - D12.776.543.550.450.750.150.750 - D12.776.543.585.400.750.150.750

**Synonyms:** - SK Potassium Channels