Enables acetylcholine-gated cation-selective channel activity. Involved in cation transport and skeletal muscle contraction. Part of acetylcholine-gated channel complex. Human ortholog(s) of this gene implicated in congenital myasthenic syndrome 4A; congenital myasthenic syndrome 4B; and congenital myasthenic syndrome 4C. Orthologous to human CHRNE (cholinergic receptor nicotinic epsilon subunit). [provided by Alliance of Genome Resources, Apr 2022]