Potassium voltage-gated channel subfamily C member 1, or Kv3.1b is encoded by the gene KCNC1. Kv3.1 is a member of the Shaw subfamily of voltage gated potassium channels. Kv3.1b is expressed in many parts of the brain including the cerebellum, globus pallidus, subthalamic nucleus, substantia nigra, cortical and hippocampal in neurons at presynaptic membranes. It is also expressed in retinal ganglion cells and muscle and testis tissues. It is an integral membrane protein that mediates the voltage-dependent potassium ion permeability of excitable membranes. Its function is important in repolarization of action potentials and is expressed in neurons that execute repetitive high frequency firing. Alterations in expression are associated with certain types of epilepsy, spinocerebellar ataxia, unverricht-lundborg syndrome and demyelinating diseases.
Fusion protein amino acids 437-585 (cytoplasmic C-terminus) of rat Kv3.1b (accession number P25122); Mouse: 100% identity (149/149 amino acids identical); Human: 100% identity (84/84 amino acids identical, partial sequence)
Human, Mouse, Rat
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