Is predicted to encode a protein with the following domains: HAD-superfamily hydrolase,subfamily IIIA; HAD superfamily; Polynucleotide kinase 3 phosphatase; P-loop containing nucleoside triphosphate hydrolase; Polynucleotide 3'-phosphatase; AAA domain; and HAD-like superfamily. Is an ortholog of C. elegans F21D5.5.