Complexation studies on inositol-phosphates. II. Alkali-metal complexes of D-myo-inositol 1,2,6 trisphosphate.


The complexation properties of the D-myo-inositol 1,2,6 trisphosphate (Ins(1,2,6)P3) towards Li+, Na+, K+, Rb+, and Cs+ cations were studied at 25 degrees C in a 0.1 M tetra-n-butylammonium bromide medium. For all cations, mononuclear and protonated species were found. For smaller cations (Li+, Na+, and K+) a dinuclear complex was also put into evidence… (More)


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