Predicted to enable protein N-terminus binding activity. Predicted to be located in centrosome; kinetochore; and spindle pole. Predicted to be part of cytoplasmic dynein complex and dynactin complex. Predicted to colocalize with focal adhesion and stress fiber. Is expressed in cerebral cortex. Orthologous to human DCTN4 (dynactin subunit 4). [provided by Alliance of Genome Resources, Apr 2022]