TAUTOMERISM AND PROTONATION OF GUANOSINE.
Guanosine has been demonstrated, by infrared and nuclear magnetic resonance spectroscopy, to have a keto-amino structure in neutral aqueous solution and to undergo protonation at N(7) in acid solution.
D006151:Guanosine; D006863:Hydrogen-Ion Concentration; D009682:Magnetic Resonance Spectroscopy; D009705:Nucleosides; D012996:Solutions; D013057:Spectrum Analysis
D009705:Nucleosides; D012996:Solutions; D006151:Guanosine
NUCLEOSIDES; SPECTRUM ANALYSIS