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Solid-state NMR Investigation of Sodium Nucleotide Complexes

Solid-state NMR Investigation of Sodium Nucleotide Complexes

Christopher V Grant, Dan McElheny, Veronica Frydman, Lucio Frydman

Magn Reson Chem. 2006 Mar;44(3):366-74.

PMID: 16477691

Abstract:

Solid-state NMR has been used to analyze the chemical environments of sodium sites in powdered crystalline samples of sodium nucleotide complexes. Three of the studied complexes have been previously characterized structurally by crystallography (disodium deoxycytidine-5'-monophosphate heptahydrate, disodium deoxyuridine-5'-monophosphate pentahydrate and disodium adensoine-5'-triphosphate trihydrate). For these salts, the nuclear quadrupole coupling parameters measured by (23)Na multiple-quantum magic-angle-spinning NMR could be readily correlated with sodium ion coordination environments. Furthermore, two complexes that had not been previously characterized structurally, disodium uridine-3'-monophosphate and a disodium uridine-3'-monophosphate/disodium uridine-2'-monophosphate mix, were identified by solid-state NMR. A spectroscopic assignment of the four sites of an additional salt, disodium adensoine-5'-triphosphate trihydrate, is also presented and discussed within the context of creating a general approach for the spectroscopic assignment of multiple sites in sodium nucleotide complexes.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP13085502	2′-Deoxycytidine 5′-monophosphate sodium salt		13085-50-2	Price

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