I(1,3,4,5,6)P5 is dephosphorylated to I(1,4,5,6)P4 by MINPP1 in the ER lumen (Dictyostelium discoideum)
i(1,3,4,5,6)p5 is dephosphorylated to i(1,4,5,6)p4 by minpp1 in the er lumen (dictyostelium discoideum)