Table 2. Summary of the amino acid substitutions causing a change in the charge in the outer capsid proteins of serially passaged SAT1 and SAT2 viruses.
| Viruses | Capsid Protein | Amino acid position and substitution |
|---|---|---|
| SAT1 | ||
| KNP/148/91 | VP2 | Q74R |
| VP1 | G112R | |
| KNP/41/95 | VP1 | E84K, N111K |
| ZIM/13/90 | VP1 | N111K, G112R |
| KEN/5/98 | VP1 | E84K, W87R |
| TAN/1/99 | VP1 | E112K, D181N |
| UGA/1/97 | VP2 | E133K |
| VP1 | E58K | |
| SUD/3/76 | VP1 | C26R, N111K, G112R |
| NIG/5/81 | VP1 | N48K, N111K |
| NIG/15/75 | VP1 | N111K, D180N |
| NIG/6/76 | VP1 | N111K |
| NAM/307/98* | VP3 | E135K, E175K |
| SAT2 | ||
| KNP/2/89 | VP1 | D83N Q85R |
| KNP/51/93 | VP1 | E83K, D110G |
| UGA/2/02 | VP1 | E83K |
| SAU/6/00 | VP1 | V50L, D55N, T158K |
*FMDV SAT1/NAM/307/98 amino acid substitutions were published previously in Maree et al. [38].