Different nucleobase orientations in two cyclic 2′,3′-phosphates of purine ribonucleosides: Et3NH(2′,3′-cAMP) and Et3NH(2′,3′-cGMP)·H2O

Sierosławski, K.; Ślepokura, K.; Lis, T.; Bogucka, M.; Lutomska, J.; Kraszewski, A.

doi:10.1107/S0108270106017811

Acta Crystallographica Section C
Acta Crystallographica
Section C STRUCTURAL CHEMISTRY

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Figure 4
The arrangement of the 2′,3′-cGMP⁻ anions in (II)

within the helical chain formed by adjacent 2₁-related anions joined to one another by O—H⋯O, N—H⋯O (dashed lines) and C—H⋯N (dotted lines) interactions. H atoms not involved in these contacts are not shown. The symmetry code is as given in Table 4

STRUCTURAL
CHEMISTRY

ISSN: 2053-2296

Volume 62| Part 7| June 2006| Pages o405-o409

doi:10.1107/S0108270106017811

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