Predicted to enable phosphotransferase activity, alcohol group as acceptor. Acts upstream of or within neural tube development. Located in apical plasma membrane. Is expressed in several structures, including alimentary system; genitourinary system; integumental system; nervous system; and smooth muscle tissue. Orthologous to human ITPK1 (inositol-tetrakisphosphate 1-kinase). [provided by Alliance of Genome Resources, Apr 2022]