I(1,3,4)P3 is dephosphorylated to I(3,4)P2 by INPP1 in the cytosol Authored: Williams, MG, 2011-10-28 Edited: Williams, MG, 2011-10-28 Inositol polyphosphate 1-phosphatase (INPP1) dephosphorylates inositol 1,3,4-trisphosphate (I(1,3,4)P3) to inositol 3,4-bisphosphate (I(3,4)P2) (York et al. 1993). Pubmed8390685 Reactome Database ID Release 431855232 Reactome, http://www.reactome.org ReactomeREACT_150176 Reviewed: Challiss, John, 2012-11-09 Reviewed: Wundenberg, Torsten, 2012-11-06