| BDFP | “Big Dipper constellation” Fluorescent Protein |
| BV | biliverdin IXα |
| GAF | cGMP phosphodiesterase/Adenyl cyclase/FhlA domain |
| GFP | Green Fluorescent Protein |
| PAS | Per/Arnt/Sim domain |
| PCB | phycocyanobilin |
| BphP | bacterial phytochrome |
| NIR FP | near infrared fluorescent protein |
| CBCR | cyanobacteriophytochrome |