Enables several functions, including ATP binding activity; magnesium ion binding activity; and microtubule binding activity. Involved in protein phosphorylation; regulation of interleukin-12 production; and spermatid differentiation. Located in microtubule cytoskeleton. Is expressed in central nervous system; lung epithelium; retina; and testis. Orthologous to human MAST2 (microtubule associated serine/threonine kinase 2). [provided by Alliance of Genome Resources, Apr 2022]