Predicted to enable several functions, including ATP binding activity; magnesium ion binding activity; and protein homodimerization activity. Involved in positive regulation of vascular associated smooth muscle cell apoptotic process. Predicted to be located in cytosol and nuclear body. Predicted to be part of protein-containing complex. Predicted to be active in cytoplasm. Orthologous to human STK4 (serine/threonine kinase 4). [provided by Alliance of Genome Resources, Apr 2022]