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A quantum-mechanical study of the interaction of glyoxal with guanine

✍ Scribed by Daniel Demoulin; Anne-Marie Armbruster; Bernard Pullman

Publisher
Springer
Year
1978
Tongue
English
Weight
610 KB
Volume
48
Category
Article
ISSN
1432-2234

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## Abstract __Ab initio__ SCF computations indicate that the formation of an adduct of glyoxal to the guanidinium ion occurs in two steps. The first addition should occur on an NH~2~ group, rather than on NHCH~3~, and the formation of an unsymmetrical adduct IV is competitive and may be even favore

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A guanine derivative of cellulose has been synthesized by coupling guanine with a p-diazobenzoate ester of cellulose. The product (GAB cellulose) adsorbed polynucleotides at high ionic strengths (0.2-1.0 M NaCI); they were eluted by lowering the ionic strength. Yeast ribonucleic acids were separated