Ready-to-use ELISA kits are available for the detection of Inositol Polyphosphate 5-Phosphatase J, an alias of the protein, inositol polyphosphate-5-phosphatase J. The official gene symbol is INPP5J. The protein, with a mass of 107.2 kDa and length of 1006 residues, is reported to be cytoplasmic. It is a member of the Inositol 1,4,5-trisphosphate 5-phosphatase type II family and may be known by other names, including: PIPP, PIB5PA, INPP5, and phosphatidylinositol 4,5-bisphosphate 5-phosphatase A.