Predicted to enable acetylcholine receptor binding activity; acetylcholine receptor inhibitor activity; and ion channel inhibitor activity. Predicted to be involved in regulation of neurotransmitter receptor activity. Predicted to act upstream of or within cholinergic synaptic transmission. Predicted to be located in membrane. Predicted to be active in plasma membrane. Predicted to be anchored component of membrane. Orthologous to several human genes including LYNX1-SLURP2 (LYNX1-SLURP2 readthrough). [provided by Alliance of Genome Resources, Apr 2022]