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Table 3 Effect of common ions on binding constant of HU-BSA and HU-HSA systems

From: Elucidation of binding mechanism of hydroxyurea on serum albumins by different spectroscopic studies

Systems Binding constant (M-1)
  BSA HSA
HU 3.1754 × 104 4.3863 × 104
HU + Co2+ 2.08 × 105 4.18 × 104
HU + Ni2+ 2.74 × 104 3.74 × 104
HU + Ca2+ 3.13 × 104 3.83 × 104
HU + Zn2+ 2.98 × 104 4.08 × 104
HU + Cu2+ 2.86 × 104 3.26 × 105