Predicted to enable protein serine/threonine kinase activity. Predicted to be involved in mitotic spindle organization. Predicted to be located in several cellular components, including kinetochore; microtubule cytoskeleton; and nucleus. Human ortholog(s) of this gene implicated in several diseases, including breast carcinoma; reproductive organ cancer (multiple); and urinary bladder cancer. Is an ortholog of human PLK1 (polo like kinase 1).