Predicted to enable ATP binding activity and protein serine/threonine kinase activity. Involved in cardiac muscle cell differentiation. Acts upstream of or within cardiac muscle cell development. Located in nucleus. Is expressed in several structures, including brain; foregut; lung; skeletal muscle; and testis. Human ortholog(s) of this gene implicated in hypertrophic cardiomyopathy. Orthologous to human ALPK3 (alpha kinase 3). [provided by Alliance of Genome Resources, Apr 2022]