| O31678 | n/a | 4fgc | CA | B | 204 | e4fgcB1 | T-fold | Tetrahydrobiopterin biosynthesis enzymes-like | Tetrahydrobiopterin biosynthesis enzymes-like | QueF |
| O31678 | n/a | 4fgc | CA | C | 203 | e4fgcC1 | T-fold | Tetrahydrobiopterin biosynthesis enzymes-like | Tetrahydrobiopterin biosynthesis enzymes-like | QueF |
| O31678 | n/a | 4fgc | CA | D | 203 | e4fgcD1 | T-fold | Tetrahydrobiopterin biosynthesis enzymes-like | Tetrahydrobiopterin biosynthesis enzymes-like | QueF |
| O31678 | n/a | 4fgc | CA | E | 203 | e4fgcE1 | T-fold | Tetrahydrobiopterin biosynthesis enzymes-like | Tetrahydrobiopterin biosynthesis enzymes-like | QueF |