Predicted to enable inositol-1,4-bisphosphate 1-phosphatase activity. Predicted to be involved in inositol phosphate dephosphorylation. Is expressed in several structures, including nervous system; sensory organ; and skeleton. Orthologous to human INPP1 (inositol polyphosphate-1-phosphatase). [provided by Alliance of Genome Resources, Apr 2022]