KCND2

Voltage-gated potassium (Kv) channels represent the most complex class of voltage-gated ion channels from both functional and structural standpoints. Their diverse functions include regulating neurotransmitter release, heart rate, insulin secretion, neuronal excitability, epithelial electrolyte transport, smooth muscle contraction, and cell volume. Four sequence-related potassium channel genes - shaker, shaw, shab, and shal - have been identified in Drosophila, and each has been shown to have human homolog(s). This gene encodes a member of the potassium channel, voltage-gated, shal-related subfamily, members of which form voltage-activated A-type potassium ion channels and are prominent in the repolarization phase of the action potential. This member mediates a rapidly inactivating, A-type outward potassium current which is not under the control of the N terminus as it is in Shaker channels.

KCND2 has been shown to interact with FLNC.{{cite journal |last=Petrecca |first=K |author2=Miller D M |author3=Shrier A |date=December 2000 |title=Localization and enhanced current density of the Kv4.2 potassium channel by interaction with the actin-binding protein filamin |journal=J. Neurosci. |volume=20 |issue=23 |pages=8736–44 | pmid = 11102480 |pmc=6773047 |doi=10.1523/JNEUROSCI.20-23-08736.2000 }}

• Voltage-gated potassium channel

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• {{MeshName|Kv4.2+Potassium+Channel}}
• {{MeshName|KCND2+protein,+human}}

{{PDB Gallery|geneid=3751}}

{{Ion channels|g3}}

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