Measurements for BAK1-GFP or FLS2-GFP alone are negative. BAK1-GFP-mCherry and FLS2-GFP-mCherry measurements are positive controls.
| Protein A | Protein B | Ap. E% | SD |
| BAK1-GFP | — | –2.6 | 1.6 |
| BAK1-GFP-mCherry | — | 16.7 | 6.0 |
| BAK1-GFP | BAK1-mCherry | 0.7 | 1.7 |
| BAK1-GFP | FLS2-mCherry | –1.0 | 1.7 |
| FLS2-GFP | — | –2.6 | 1.2 |
| FLS2-GFP-mCherry | — | 20.5 | 3.1 |
| FLS2-GFP | FLS2-mCherry | 0.7 | 1.3 |