Enables protein serine/threonine kinase activity. Involved in ATP metabolic process; odontoblast differentiation; and protein phosphorylation. Located in Golgi apparatus. Human ortholog(s) of this gene implicated in amelogenesis imperfecta. Orthologous to human FAM20C (FAM20C golgi associated secretory pathway kinase). [provided by Alliance of Genome Resources, Apr 2022]