Enables protein serine/threonine kinase activity. Involved in several processes, including positive regulation of macromolecule metabolic process; protein phosphorylation; and regulation of signal transduction. Acts upstream of or within several processes, including extrinsic apoptotic signaling pathway via death domain receptors; nervous system development; and positive regulation of centrosome duplication. Located in Schaffer collateral - CA1 synapse; glutamatergic synapse; and spindle pole centrosome. Is expressed in several structures, including central nervous system; genitourinary system; heart; musculature; and somite. Orthologous to human ROCK2 (Rho associated coiled-coil containing protein kinase 2). [provided by Alliance of Genome Resources, Apr 2022]