Enables inositol-1,4,5-trisphosphate 3-kinase activity. Acts upstream of or within several processes, including common myeloid progenitor cell proliferation; negative regulation of neutrophil apoptotic process; and regulation of hemopoiesis. Located in cytosol; membrane; and nucleus. Is expressed in alimentary system; facial bone primordium; liver; nervous system; and urinary system. Orthologous to human ITPKB (inositol-trisphosphate 3-kinase B). [provided by Alliance of Genome Resources, Apr 2022]