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. 2015 Apr 27;10(4):e0124839. doi: 10.1371/journal.pone.0124839

Table 2. Rate and equilibrium constants for binding of HbAHP-25 to gp120.

Ka (M-1 S-1) Kd (S-1) KD (M) Chi2
1.25x103 8.47x10-3 6.75x10-6 14.7

Ka and Kd are rate constants for association and dissociation respectively; KD is the equilibrium dissociation constant