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DraconiticBiochemistryBiomolecules · Catabolism · Biosynthesis · MetabolismMap
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IP6 is phosphorylated to 1-PP-IP5 by PPIP5K1/2 in the cytosol

IP6 + ATP → 1-PP-IP5 + ADP

Reactome
R-HSA-1855216
Compartment
cytosol
Rhea
RHEA:37460

Inputs

Outputs

Catalysed by

  • inositol hexakisphosphate kinase activity of PPIP5K1/2 [cytosol]

Literature

  1. Cloning and characterization of two human VIP1-like inositol hexakisphosphate and diphosphoinositol pentakisphosphate kinases J Biol Chem, 2007
  2. A conserved family of enzymes that phosphorylate inositol hexakisphosphate Science, 2007
  3. Purification, sequencing, and molecular identification of a mammalian PP-InsP5 kinase that is activated when cells are exposed to hyperosmotic stress J Biol Chem, 2007
  4. Structural analysis and detection of biological inositol pyrophosphates reveal that the family of VIP/diphosphoinositol pentakisphosphate kinases are 1/3-kinases J Biol Chem, 2009
  5. Structural basis for an inositol pyrophosphate kinase surmounting phosphate crowding Nat. Chem. Biol., 2012