A31P - NMR study of the interaction of Mg2+ions with nucleoside diphosphates
- 1 January 1977
- journal article
- Published by Oxford University Press (OUP) in Nucleic Acids Research
- Vol. 4 (2), 397-403
- https://doi.org/10.1093/nar/4.2.397
Abstract
The interaction of Mg2+ with nucleoside disphosphates : ADP, GDP, CDP and UDP has been studied by phosphorus magnetic resonance spectroscopy in aqueous solution. The results show that these four nucleotides behave similarly, the Mg2+ ion binds to the alpha but not to the beta phosphate moiety. The strength of the interaction of Mg2+ ions with nucleoside diphosphates is weaker than with nucleoside triphosphates. The association of Mg2+ on the phosphate chain is stronger in a neutral than in an acid medium.Keywords
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