| ALL-GFP | Common green ancestor |
| LEA | Least evolved ancestor |
| avGFP | Aequorea victoria green fluorescent protein |
| dfi | Differential flexibility index |
| ESPT | Excited-state proton transfer |
| PRS | Perturbation response scanning |
| ENM | Elastic network model |
| pKaapp | Apparent acid dissociation constant |