Abstract

Abstract The crystal and molecular structure of sodium deoxyinosine monophosphate (5′-dIMP) has been determined by x-ray crystallographic methods. The crystals belong to orthorhombic space group P212121, with a = 21.079(5) Å, b = 9.206(3) Å and c = 12.770(6) Å. This deoxynucleotide shows common nucleotide features namely anti conformation about the glycosyl bond, C2′ endo pucker for the deoxyribose sugar and gauche-gauche orientation for the phosphate group. The sodium ion is directly coordinated to the O3′ atom, a feature observed in many crystal structures of sodium salts of nucleotides.

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