Predicted to enable magnesium ion binding activity and nucleoside-diphosphatase activity. Predicted to be involved in GDP catabolic process; dADP catabolic process; and dGDP catabolic process. Predicted to act upstream of or within nucleotide metabolic process. Is expressed in several structures, including central nervous system; embryo endoderm; and retina. Orthologous to human NUDT18 (nudix hydrolase 18). [provided by Alliance of Genome Resources, Apr 2022]