Enables microtubule binding activity. Predicted to be involved in establishment of mitotic spindle localization; mitotic chromosome condensation; and mitotic cytokinesis. Predicted to act upstream of or within mitotic sister chromatid segregation and positive regulation of mitotic nuclear division. Located in nucleolus. Is expressed in genitourinary system. Orthologous to human NUSAP1 (nucleolar and spindle associated protein 1). [provided by Alliance of Genome Resources, Apr 2022]