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THE STRUCTURE OF THE RIBODINUCLEOSIDE MONOPHOSPHATE GUANYLYL-3',5'-CYTIDINE AS ITS AMMONIUM OCTAHYDRATE SALT

AGGARWAL, A; ISLAM, S; KURODA, R; SANDERSON, M; NEIDLE, S; (1983) THE STRUCTURE OF THE RIBODINUCLEOSIDE MONOPHOSPHATE GUANYLYL-3',5'-CYTIDINE AS ITS AMMONIUM OCTAHYDRATE SALT. ACTA CRYSTALLOGRAPHICA SECTION B-STRUCTURAL SCIENCE , 39 (Part 1) 98 - 104. 10.1107/S0108768183002074. Green open access

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Abstract

The crystal and molecular structure of an ammonium octahydrate salt of the ribodinucleoside monophos-phate guanylyl-3',5'-cytidine (CIgH24NsOI2P) has been determined by X-ray methods, and refined to a final R of 0.111 for 1197 observed reflections. The salt crystallizes in space group C2 with cell dimensions a -- 20.987 (6), b = 16.470 (4), c = 9.566 (1) fit and fl = 94.36 (2)°; Z = 4 for a calculated density of 1.50 Mg m -3 and #(Cu Ka) = 1.19 mm -1. The unit-cell dimensions are very similar to those of the sodium salt [Rosenberg, Seeman, Day & Rich (1976). J. Mol. Biol. 104, 145-167]; however, the two structures are non-isomorphous. Conformational features of the ammonium salt are as expected for an RNA-like Watson-Crick base-paired duplex.

Type: Article
Title: THE STRUCTURE OF THE RIBODINUCLEOSIDE MONOPHOSPHATE GUANYLYL-3',5'-CYTIDINE AS ITS AMMONIUM OCTAHYDRATE SALT
Open access status: An open access version is available from UCL Discovery
DOI: 10.1107/S0108768183002074
Publisher version: http://scripts.iucr.org/cgi-bin/paper?S01087681830...
Language: English
Additional information: Copyright © International Union of Crystallography
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Life Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Life Sciences > UCL School of Pharmacy
URI: https://discovery.ucl.ac.uk/id/eprint/1367851
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