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