Assertion: cytosine | /r/CapableOf | flank the phenoxazine ring
Facets:
Source sentences:
text: From our study it can be concluded, as a general rule, that the substitution of cytosine by phenoxazine does not enhance duplex stability if the 5‘ flanking nucleobase is a purine, while some stabilization may be gained if a 5‘ cytosine flanks the phenoxazine ring.