| Photoreceptor | AsLOV2–SsrA |
| Binding partner | SspB |
| Cofactor | FMN |
| Source organism | Avena sativa |
| Mode of action | heterodimerization |
| Excitation wavelength | 450 nm |
| Reversion wavelength | dark |
| Excitation time | seconds |
| Reversion time | seconds to minutes (variants available) |