Assertion: guanine's form | /r/HasProperty | bound to the 1,2-i form
Facets:
value: by three intermolecular hydrogen bonds
type: CAUSE
Source sentences:
text: The variable-temperature NMR experiments have demonstrated that isocytosine and its derivatives with low relative energy of the 1,2-I tautomer form a dimer in solution, where the 2,3-I form is bound to the 1,2-I form by three intermolecular hydrogen bonds.