Table 2. The effect of scanning mutagenesis on the IpaC C-terminal tail on invasion.
| 345 | 363 | Relative Invasiona |
|---|---|---|
| SINQSKNSTASQIAGNIRA (wt) | 100 ± 12 | |
| AINQSKNSTASQIAGNIRA | 23 ± 14 | |
| SSNQSKNSTASQIAGNIRA | 9 ± 7 | |
| SILQSKNSTASQIAGNIRA | 73 ± 8 | |
| SINLSKNSTASQIAGNIRA | 102 ± 5 | |
| SINQAKNSTASQIAGNIRA | 100 ± 9 | |
| SINQSINSTASQIAGNIRA | 95 ± 4 | |
| SINQSKASTASQIAGNIRA | 95 ± 6 | |
| SINQSKNATASQIAGNIRA | 93 ± 3 | |
| SINQSKNSAASQIAGNIRA | 93 ± 15 | |
| SINQSKNSTLSQIAGNIRA | 71 ± 15 | |
| SINQSKNSTASAIAGNIRA | 101 ± 2 | |
| SINQSKNSTASQSAGNIRA | 32 ± 15 | |
| SINQSKNSTASQISGNIRA | 82 ± 38 | |
| SINQSKNSTASQIASNIRA | 100 ± 10 | |
| SINQSKNSTASQIAGQIRA | 90 ± 36 | |
| SINQSKNSTASQIAGAIRA | 99 ± 5 | |
| SINQSKNSTASQIAGNSRA | 97 ± 8 | |
| SINQSKNSTASQIAGNIRI | 99 ± 10 | |
Invasion is relative to the positive control (SF621 + ipaC), which had 184±22 bacteria per well (n=3-5).