TABLE 5.

Binding affinities of ciprofloxacin for single-stranded TGGCCT by using different divalent metal ions

Metal ionKdapp (μM)Calculated stoichiometry
Mg2+82.5 ± 18.52.1 ± 0.16
Ca2+309.5 ± 74.62.1 ± 0.26
Mn2+157.5 ± 44.02.9 ± 0.34
Cd2+904.0 ± 171.56.1 ± 0.81