Predicted to enable nucleoside triphosphate diphosphatase activity. Predicted to be involved in nucleoside triphosphate catabolic process. Predicted to be active in cytoplasm. Is expressed in organism. Human ortholog(s) of this gene implicated in several diseases, including anemia (multiple); developmental and epileptic encephalopathy 35; hepatitis C; rheumatoid arthritis; and thrombocytopenia. Orthologous to human ITPA (inosine triphosphatase).