| 3L6B | e3l6bA1 | 2003.4.1 | Rossmann-like | Tryptophan synthase beta subunit-like PLP-dependent enzymes | Tryptophan synthase beta subunit-like PLP-dependent enzymes | PALP |
| e3l6bA2 | 2003.4.1 | Rossmann-like | Tryptophan synthase beta subunit-like PLP-dependent enzymes | Tryptophan synthase beta subunit-like PLP-dependent enzymes | PALP |
| 3L6R | e3l6rA1 | 2003.4.1 | Rossmann-like | Tryptophan synthase beta subunit-like PLP-dependent enzymes | Tryptophan synthase beta subunit-like PLP-dependent enzymes | PALP |
| e3l6rA2 | 2003.4.1 | Rossmann-like | Tryptophan synthase beta subunit-like PLP-dependent enzymes | Tryptophan synthase beta subunit-like PLP-dependent enzymes | PALP |
| 5X2L | e5x2lA1 | 2003.4.1 | Rossmann-like | Tryptophan synthase beta subunit-like PLP-dependent enzymes | Tryptophan synthase beta subunit-like PLP-dependent enzymes | PALP |
| e5x2lA2 | 2003.4.1 | Rossmann-like | Tryptophan synthase beta subunit-like PLP-dependent enzymes | Tryptophan synthase beta subunit-like PLP-dependent enzymes | PALP |
| e5x2lB1 | 2003.4.1 | Rossmann-like | Tryptophan synthase beta subunit-like PLP-dependent enzymes | Tryptophan synthase beta subunit-like PLP-dependent enzymes | PALP |
| e5x2lB2 | 2003.4.1 | Rossmann-like | Tryptophan synthase beta subunit-like PLP-dependent enzymes | Tryptophan synthase beta subunit-like PLP-dependent enzymes | PALP |