Predicted to enable PDZ domain binding activity and protein self-association. Predicted to be involved in protein homooligomerization and regulation of dendritic spine morphogenesis. Predicted to be located in postsynaptic density. Predicted to be active in dendritic spine. Is expressed in several structures, including central nervous system; face; limb; metanephros; and sensory organ. Orthologous to human LZTS3 (leucine zipper tumor suppressor family member 3). [provided by Alliance of Genome Resources, Apr 2022]