Involved in dense core granule cytoskeletal transport; regulation of dendritic spine development; and regulation of dendritic spine morphogenesis. Located in dendritic spine. Is active in glutamatergic synapse and postsynaptic density, intracellular component. Orthologous to human TANC2 (tetratricopeptide repeat, ankyrin repeat and coiled-coil containing 2). [provided by Alliance of Genome Resources, Apr 2022]