| Photoreceptor | AcBphP |
| Binding partner | / |
| Cofactor | Biliverdin |
| Source organism | Azorhizobium caulinodans |
| Mode of action | not a switch, only parental photoreceptor |
| Excitation wavelength | 800 nm |
| Reversion wavelength | dark |
| Excitation time | minutes |
| Reversion time | minutes |