Predicted to be involved in regulation of AMPA receptor activity and regulation of short-term neuronal synaptic plasticity. Predicted to be located in membrane. Predicted to be integral component of membrane. Predicted to be part of AMPA glutamate receptor complex. Predicted to be active in dendritic spine membrane; postsynaptic density; and postsynaptic membrane. Is expressed in cerebellum and main olfactory bulb. Orthologous to human SHISA8 (shisa family member 8). [provided by Alliance of Genome Resources, Apr 2022]