Predicted to enable ionotropic glutamate receptor binding activity. Involved in positive regulation of long-term synaptic potentiation. Predicted to be located in several cellular components, including cell-cell junction; excitatory synapse; and postsynaptic density. Is expressed in several structures, including adrenal gland; alimentary system; eye; genitourinary system; and nervous system. Orthologous to human IGSF11 (immunoglobulin superfamily member 11). [provided by Alliance of Genome Resources, Apr 2022]