Table 1. Apparent ABA-binding affinities and oligomeric state of PYR/PYL/RCAR receptors.
| Kd (μM) | ΔH (kcal/mol) | Oligomeric state | Reference | |
|---|---|---|---|---|
| PYR1 | 97 (±36) | Endothermic | Dimer | This study |
| PYR1H60P | 3.0 (±0.26) | −2.5 (±0.035) | Monomer | This study |
| PYL1 | 52.0 | +1.4 | Dimer | Miyazono et al and this study |
| PYL2 | 59.1 (±2.5) | Endothermic | Dimer | Yin et al |
| PYL5 | 1.0 (±0.06) | −7.9 (±0.2) | Monomer | Santiago et al |
| PYL6 | 1.1 (±0.01) | −3.573 (±0.1) | Monomer | This study |
| PYL8 | 0.9 (±0.15) | −10.4 (±0.3) | Monomer | Szostkiewicz et al and this study |