TABLE 2.
Dissociation constants (Kcom) and concentrations of receptors (Bmax) calculated from 125I-Cry1A toxin binding saturation assays with BBMV from YDK, CXC, and KCBhyb H. virescens strains
| Toxin | Result for strainsc
|
|||||
|---|---|---|---|---|---|---|
| YDK
|
CXC
|
KCBhyb
|
||||
| Kcoma | Bmaxb | Kcom | Bmax | Kcom | Bmax | |
| Cry1Aa | 0.39 ± 0.19 | 0.90 ± 0.30 | 0.83 ± 0.29 | 2.70 ± 0.70 | 26.67 ± 18.39 | 7.20 ± 4.30 |
| Cry1Ab | 0.30 ± 0.16 | 1.90 ± 0.60 | 0.14 ± 0.08 | 1.90 ± 0.50 | 0.63 ± 0.21 | 4.30 ± 0.80 |
| Cry1Ac | 0.42 ± 0.15 | 5.00 ± 0.60 | 0.40 ± 0.31 | 5.80 ± 3.10 | 0.86 ± 0.43 | 8.60 ± 1.30 |
a
Expressed in nanomolar units.
b
Expressed in picomoles per milligram of BBMV protein.
c
Expressed as value ± standard error.