Table 1. Cysteine knots in spider toxins.
| Species | Cysteine knot structure |
| Tarantula (H. schmidti) | C-x(6)-C-x(6)-C-C-x(4)-x(14)-C |
| Funnel web spider (A. robustus) | C-x(6)-C-x(5)-C-C-x(3)-C-x(13)-C |
| King baboon spider (C. crawshayi) | C-x(6)-C-x(5)-C-C-x(4)-C-x(6)-C |
| Chinese bird spider (O. hainana)1) | C-x(6)-C-x(6)-C-C-x(4)-C-x(6)-C |
| Bird spider (C. guangxiensis)2) | C-x(6)-C-x(5)-C-C-x(4)-C-x(6)-C |
| Funnel spider (A. orientalis) | C-x(6)-C-x(7)-C-C-x(4)-C-x-C-x(5)-C-x-C |
| Yellow sac spider (C. punctorum) | C-x(6)-C-x(6)-C-C-x(8)-C-x-C-x(8)-C-x-C |
| Wolf spider (L. singoriensis) | C-x(6)-C-x(5)-C-C-x(4)-C-x-C-x(6)-C-x-C |
| ASIP2 (teleost-typical) | C-x(6)-C-x(5)-C-C-x(5)-C-x-C-x(6)-C-x-C |
| Desert grass spider (A. aperta) | C-x(6)-C-x(6)-C-x-C-C-x(5)-C-x-C-x(10)-C-x-C |
| Mojave Desert spider (P. tristis) | C-x(6)-C-x(5)-C-C-x(2)-C-x(2)-C-x-C-x(6)-C-x-C-x(8)-C |
| AgRP2 (teleost-typical) | C-x(6)-C-x(5)-C-C-x(2)-C-x(2)-C-x-C-x(6)-C-x-C-x(6)-C |
1)
The species that contains Hainantoxin-1.3.
2)
The species that contains Guangxiensistoxin.