Enables protein serine/threonine kinase activity. Involved in protein autophosphorylation. Located in Golgi apparatus and Golgi-associated vesicle. Is expressed in several structures, including central nervous system; genitourinary system; gut; neural retina; and respiratory system. Orthologous to human STK16 (serine/threonine kinase 16). [provided by Alliance of Genome Resources, Apr 2022]