Enables ATP binding activity; choline binding activity; and phosphotransferase activity, alcohol group as acceptor. Involved in several processes, including choline metabolic process; ethanolamine metabolic process; and response to 3-methylcholanthrene. Predicted to be active in cytoplasm. Biomarker of colon cancer and transient cerebral ischemia. Orthologous to human CHKA (choline kinase alpha). [provided by Alliance of Genome Resources, Apr 2022]