Host Host Host Relative association constant Ka
Zn3a Zn3b Zn3c Zn3a : Zn3b : Zn3c
Guest
V4
6.5 × 104
3.7 × 104
1.9 × 104
3.4 : 1.9 : 1.0
(−27.5) (−26.1) (−24.4)
V5 3.0 × 105 1.4 × 105 6.3 × 104 4.8 : 2.3 : 1.0
(−31.5) (−29.5) (−27.4)
V6 1.8 × 104 8.7 × 103 4.1 × 103 4.3 : 2.1 : 1.0
(−24.3) (−22.5) (−20.6)