Table II.
Serological reactivity of PBC to the E2 lipoyl domain mutant constructs.
| Mutant No. | PBC Seraa | Purified PBC IgGb |
|
|---|---|---|---|
| IgG | IgM | ||
| WT | 1 | 1 | 1 |
| PM 1 | 0.891±0.014 | 0.741±0.021 | 0.938±0.084 |
| PM 2 | 0.968±0.029 | 0.804±0.032 | 0.874±0.057 |
| PM 3 | 1.013±0.025 | 1.310±0.066 | 0.807±0.044 |
| PM 4 | 0.476±0.029*** | 0.504±0.043** | 0.408±0.052*** |
| PM 5 | 0.944±0.031 | 1.220±0.073 | 0.797±0.066 |
| PM 6 | 0.990±0.022 | 1.233±0.063 | 0.888±0.031 |
| PM 7 | 1.084±0.024 | 1.768±0.141*** | 0.848±0.029 |
| PM 8 | 1.011±0.022 | 1.542±0.103*** | 0.876±0.019 |
| PM 9 | 1.081±0.018 | 1.129±0.052 | 1.088±0.030 |
| PM 10 | 0.706±0.029*** | 0.781±0.054 | 0.552±0.065*** |
| PM 11 | 1.066±0.021 | 1.096±0.067 | 0.700±0.065** |
| PM 12 | 0.861±0.023 | 0.823±0.069 | 0.729±0.055* |
| PM 13 | 0.659±0.034*** | 0.768±0.096 | 0.482±0.074** |
| PM 14 | 0.962±0.022 | 0.876±0.069 | 0.848±0.053 |
| PM 15 | 1.081±0.019 | 1.062±0.060 | 0.858±0.045 |
| PM 16 | 1.175±0.025 | 1.426±0.124** | 1.022±0.039 |
| PM 17 | 1.126±0.019 | 1.357±0.076*** | 0.851±0.088 |
| PDM 1 | 0.334±0.029*** | 0.253±0.034*** | 0.075±0.023*** |
| PDM 2 | 0.461±0.031*** | 0.435±0.045*** | 0.663±0.069*** |
| PDM 3 | 0.066±0.009*** | 0.093±0.016*** | 0.024±0.007*** |
| PDM 4 | 0.111±0.017*** | 0.095±0.016*** | 0.043±0.016*** |
| PTM 1 | 0.017±0.004*** | 0.044±0.009*** | 0.038±0.017*** |
| PTM 2 | 0.019±0.003*** | 0.054±0.012*** | 0.050±0.007*** |
| PQM | 0.024±0.005*** | 0.066±0.012*** | 0.075±0.031*** |
Relative ratio of IgG and IgM reactivity to wild type determined by ELISA at 1:4000 sera dilution (n=60).
Relative ratio of purified IgG reactivity to wild type determined by ELISA (n=10).
Asterisks indicate significant differences between mutant protein and wild type protein (*, p < 0.05; **, p < 0.01; ***, p < 0.001; two-tailed unpaired t-test with Welch’s correction).