Table 1 Rate constants and equilibrium constant for the binding of different forms of annexin A2 to lysozyme, measured by SPR (Biacore).

ka and kd are rate constants for association and dissociation, respectively. KD is equilibrium dissociation constant.

Annexin A2
forms
ka (M−1 s−1)kd (s−1)KA (M−1)KD (M)
(104)(10−4)(106)(10−9)
Monomer0.37445.2746.928178.74
Heterotetramer27.642012.886391.23.862