Predicted to enable PDZ domain binding activity; protein kinase binding activity; and protein kinase regulator activity. Acts upstream of or within dendrite morphogenesis and in utero embryonic development. Predicted to be located in late endosome. Predicted to be part of protein-containing complex. Is expressed in nervous system and sensory organ. Orthologous to human KIDINS220 (kinase D interacting substrate 220). [provided by Alliance of Genome Resources, Apr 2022]