Enables transmitter-gated ion channel activity involved in regulation of postsynaptic membrane potential. Involved in negative regulation of ERK1 and ERK2 cascade. Located in axon and perikaryon. Is active in cholinergic synapse. Is integral component of postsynaptic specialization membrane. Orthologous to human CHRNA10 (cholinergic receptor nicotinic alpha 10 subunit). [provided by Alliance of Genome Resources, Apr 2022]