| Cry1Ab monomer | 20.0 (7.5 - 31.7) |
| Cry1Ab oligomers formed in solution | 28.0 (10.0 - 46.5) |
| Cry1Ab toxin extracted from membrane** | 25.0 (5.0 - 35.0) |
| Cry1Aa prepore oligomer | 17.1 (6.2 - 35.3) |
| Cry1Ab prepore oligomer | 26.2 (3.9 - 40.8) |
| Cry1Ab F371C prepore oligomer | >2000 |