Inositol Pyrophosphates: Signaling Molecules with Pleiotropic Actions in Mammals

Inositol pyrophosphates (PP-IPs) such as 5-diphosphoinositol pentakisphosphate (5-IP7) are inositol metabolites containing high-energy phosphoanhydride bonds. Biosynthesis of PP-IPs is mediated by IP6 kinases (IP6Ks) and PPIP5 kinases (PPIP5Ks), which transfer phosphate to inositol hexakisphosphate...

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Main Authors: Seulgi Lee, Min-Gyu Kim, Hyoungjoon Ahn, Seyun Kim
Format: Article
Language:English
Published: MDPI AG 2020-05-01
Series:Molecules
Subjects:
Online Access:https://www.mdpi.com/1420-3049/25/9/2208
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author Seulgi Lee
Min-Gyu Kim
Hyoungjoon Ahn
Seyun Kim
author_facet Seulgi Lee
Min-Gyu Kim
Hyoungjoon Ahn
Seyun Kim
author_sort Seulgi Lee
collection DOAJ
description Inositol pyrophosphates (PP-IPs) such as 5-diphosphoinositol pentakisphosphate (5-IP7) are inositol metabolites containing high-energy phosphoanhydride bonds. Biosynthesis of PP-IPs is mediated by IP6 kinases (IP6Ks) and PPIP5 kinases (PPIP5Ks), which transfer phosphate to inositol hexakisphosphate (IP6). Pleiotropic actions of PP-IPs are involved in many key biological processes, including growth, vesicular remodeling, and energy homeostasis. PP-IPs function to regulate their target proteins through allosteric interactions or protein pyrophosphorylation. This review summarizes the current understanding of how PP-IPs control mammalian cellular signaling networks in physiology and disease.
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spelling doaj.art-3d7176d887d34c6caa48bd60a3c5377d2023-11-19T23:50:48ZengMDPI AGMolecules1420-30492020-05-01259220810.3390/molecules25092208Inositol Pyrophosphates: Signaling Molecules with Pleiotropic Actions in MammalsSeulgi Lee0Min-Gyu Kim1Hyoungjoon Ahn2Seyun Kim3Department of Biological Sciences, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, KoreaDepartment of Biological Sciences, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, KoreaDepartment of Biological Sciences, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, KoreaDepartment of Biological Sciences, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, KoreaInositol pyrophosphates (PP-IPs) such as 5-diphosphoinositol pentakisphosphate (5-IP7) are inositol metabolites containing high-energy phosphoanhydride bonds. Biosynthesis of PP-IPs is mediated by IP6 kinases (IP6Ks) and PPIP5 kinases (PPIP5Ks), which transfer phosphate to inositol hexakisphosphate (IP6). Pleiotropic actions of PP-IPs are involved in many key biological processes, including growth, vesicular remodeling, and energy homeostasis. PP-IPs function to regulate their target proteins through allosteric interactions or protein pyrophosphorylation. This review summarizes the current understanding of how PP-IPs control mammalian cellular signaling networks in physiology and disease.https://www.mdpi.com/1420-3049/25/9/2208inositol pyrophosphateIP6KPPIP5Kcell signalingphysiologic functionssignaling molecules
spellingShingle Seulgi Lee
Min-Gyu Kim
Hyoungjoon Ahn
Seyun Kim
Inositol Pyrophosphates: Signaling Molecules with Pleiotropic Actions in Mammals
Molecules
inositol pyrophosphate
IP6K
PPIP5K
cell signaling
physiologic functions
signaling molecules
title Inositol Pyrophosphates: Signaling Molecules with Pleiotropic Actions in Mammals
title_full Inositol Pyrophosphates: Signaling Molecules with Pleiotropic Actions in Mammals
title_fullStr Inositol Pyrophosphates: Signaling Molecules with Pleiotropic Actions in Mammals
title_full_unstemmed Inositol Pyrophosphates: Signaling Molecules with Pleiotropic Actions in Mammals
title_short Inositol Pyrophosphates: Signaling Molecules with Pleiotropic Actions in Mammals
title_sort inositol pyrophosphates signaling molecules with pleiotropic actions in mammals
topic inositol pyrophosphate
IP6K
PPIP5K
cell signaling
physiologic functions
signaling molecules
url https://www.mdpi.com/1420-3049/25/9/2208
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AT mingyukim inositolpyrophosphatessignalingmoleculeswithpleiotropicactionsinmammals
AT hyoungjoonahn inositolpyrophosphatessignalingmoleculeswithpleiotropicactionsinmammals
AT seyunkim inositolpyrophosphatessignalingmoleculeswithpleiotropicactionsinmammals