Target intelligence / Profile preview

Voltage-gated potassium channel KCNC4 (Kv3.4)

Target
Kv3.4
Molecular classification
Ion channel, Voltage-gated potassium channel
01

Overview

The Voltage-gated potassium channel Kv3.4 is a crucial component in mediating high-frequency neuronal firing in the brain and other neural tissues. It is involved in shaping action potential duration and modulating neurotransmitter release, particularly in axons and nerve terminals. Kv3.4 channels are significant in nociceptive signaling and are known to be sensitive to both chemical and enzymatic modulators, such as protein kinase C (PKC), which can alter their inactivation properties.

Other names
KCNC4Kv3.4 channel
02

Mechanism of action

High voltage-activation, rapid kinetics contributing to fast A-type potassium currents, modulation by PKC phosphorylation affecting inactivation

03

Biological functions

Signal transductionRepolarization of action potentialsModulation of neurotransmitter release
04

Disease associations

Neurological disordersPain modulationNociceptive signaling
05

Safety considerations

Potential modulation issues with drugs affecting PKC activitycaution with drugs affecting ion channel function
06

Interacting drugs

4-aminopyridine

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