Predicted to enable inositol hexakisphosphate kinase activity. Involved in negative regulation of cold-induced thermogenesis. Located in cytoplasm and nucleus. Is expressed in several structures, including alimentary system; heart; integumental system; nervous system; and sensory organ. Orthologous to human IP6K1 (inositol hexakisphosphate kinase 1). [provided by Alliance of Genome Resources, Apr 2022]