Analysis of Inositol Phosphates, Diphosphoinositol Phosphates, and Their Analogs by HPLC on an Acid-Compatible Stationary Phase with Detection by Complexation with Ferric Ion.

Whitfield HL., Sprigg C., Riley AM., Shipton ML., Potter BVL., Brearley CA.

High-performance anion-exchange chromatography with acid eluents allows for effective separation of myo-inositol tetrakisphosphates, myo-inositol pentakisphosphates, diphospho-myo-inositol phosphates (inositol pyrophosphates), inositol hexakisphosphates, inositol pyrophosphate analogs, and carbohydrate-based analogs of inositol phosphates. All are detectable by postcolumn addition of ferric ion. In the following, we provide examples drawn from characterization of ITPK, IPK1, and IP3 3K enzymes.

DOI

10.1007/978-1-0716-4799-8_6

Type

Chapter

Publication Date

2025-01-01T00:00:00+00:00

Volume

2972

Pages

61 - 79

Total pages

18

Keywords

Diphosphoinositol phosphates, Ferric ion, HPLC, Inositol phosphates, Inositol pyrophosphates, Inositol Phosphates, Chromatography, High Pressure Liquid, Chromatography, Ion Exchange, Ferric Compounds

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