Table 2

Dependence of binding kinetics on pH and ionic strength as measured by SPR

Immobilized reagent
pH
NaCl (mmol/L)
kon (104 M-1s-1)
koff (10-4 s-1)
KD (nmol/L)

HoloTC
6.0
0
10
1
1

7.4
0
8
0.4
0.5

7.4
300
7
0.6
0.9

8.0
0
7
0.2
0.3
MAb 3C4
6.0
0
50
4
0.8

6.0
300
0.3
35
1340

7.4
0
3
14
46

7.4
300
0.3
41
1380

8.0
0
7
19
27

Orning et al. Nutrition & Metabolism 2006 3:3   doi:10.1186/1743-7075-3-3