. "At the beginning of this reaction, 1 molecule of 'hSMUG1 glycosylase', and 1 molecule of 'single-stranded DNA containing an uracil' are present. At the end of this reaction, 1 molecule of 'hSMUG1glycosylase:uracil complex' is present.

This reaction takes place in the 'nucleus'.
"^^ . . . . . "hSMUG1 glycosylase mediated recognition and binding of uracil within single-stranded DNA"^^ . . . .