Predicted to enable GTPase activator activity and protein heterodimerization activity. Predicted to be involved in activation of GTPase activity. Predicted to act upstream of or within regulation of transcription, DNA-templated. Predicted to be located in nucleus. Predicted to be active in cytoplasm. Orthologous to human RALGAPA1 (Ral GTPase activating protein catalytic subunit alpha 1). [provided by Alliance of Genome Resources, Apr 2022]