. "At the beginning of this reaction, 1 molecule of 'Double-strand DNA containing 5-hydroxyuracil opposite to a guanine', and 1 molecule of 'UNG2' are present. At the end of this reaction, 1 molecule of 'UNG2 glycosylase:5-hydroxyuracil complex' is present.

This reaction takes place in the 'nucleus'.
"^^ . . . . . "UNG glycosylase mediated recognition and binding of a 5-hydroxyuracil opposite to a guanine"^^ . . . .