Predicted to enable flavonoid binding activity and inositol hexakisphosphate 5-kinase activity. Involved in phosphate ion transport. Predicted to be located in cell junction; fibrillar center; and nucleoplasm. Predicted to be active in cytoplasm and nucleus. Orthologous to human IP6K2 (inositol hexakisphosphate kinase 2). [provided by Alliance of Genome Resources, Apr 2022]