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. Author manuscript; available in PMC: 2016 Apr 15.
Published in final edited form as: Arch Biochem Biophys. 2014 Dec 16;572:58–65. doi: 10.1016/j.abb.2014.12.010

Table 2.

Kinetic parameters of zeaxanthin-arabinogalactan binding extracted from SPR experiment. KD - equilibrium dissociation constant; ka _ association constant; kd - dissociation constant.

ka, M−1s−1 kd, s−1 Kd, μM
Siberian arabinogalactan (Site-1) 6.4±0.3 ×102 0.00140± 0.0003 2.2 ±0.1
Siberian arabinogalactan (Site-2) 4.9±0.7 ×103 0.070± 0.003 14 ± 2
Sigma arabinogalactan 48 ± 3 0.00118 ± 0.0002 25 ± 2

*Errors represent the residual from the model fit.