Enables several functions, including GTPase activity; actin filament binding activity; and adenylosuccinate synthase activity. Involved in several processes, including alpha-amino acid metabolic process; cellular response to electrical stimulus; and purine ribonucleoside monophosphate metabolic process. Predicted to be active in cytoplasm. Biomarker of sarcoma. Orthologous to human ADSS1 (adenylosuccinate synthase 1). [provided by Alliance of Genome Resources, Apr 2022]