| ATP | Adenosine 5′-triphosphate |
| CD | Circular dichroism |
| Gdn/HCL | Guanidinium hydrochloride |
| FAD | Flavin adenine dinucleotide, Riboflavin 5′-adenosine diphosphate |
| FADS | FAD synthase |
| FMN | Flavin mononucleotide, Riboflavin 5′-phosphate |
| FMNAT | ATP: FMN adenylyl transferase |
| HPLC | High performance chromatography |
| ITC | Isothermal titration calorimetry |
| PAPS | 3-Phosphoadenosine 5′-phosphosulfate |
| PIPES | 1,4-Piperazinediethanesulfonic acid |
| RF | Riboflavin |
| RFK | ATP: riboflavin kinase |
| TLC | Thin-layer chromatography |
| UV | Ultraviolet |
| WT | Wild-type |