| Class c: Alpha and beta proteins (a/b) [51349] (130 folds) |
| Fold c.23: Flavodoxin-like [52171] (15 superfamilies) 3 layers, a/b/a; parallel beta-sheet of 5 strand, order 21345 |
Superfamily c.23.16: Class I glutamine amidotransferase-like [52317] (5 families) ![]() conserved positions of the oxyanion hole and catalytic nucleophile; different constituent families contain different additional structures |
| Family c.23.16.1: Class I glutamine amidotransferases (GAT) [52318] (7 proteins) contains a catalytic Cys-His-Glu triad |
| Protein GAT subunit, HisH, (or domain) of imidazoleglycerolphosphate synthase HisF [69447] (3 species) |
| Baker's yeast (Saccharomyces cerevisiae), His7 [TaxId:4932] [69449] (4 PDB entries) |
| Domain d1jvna2: 1jvn A:-3-229 [67356] Other proteins in same PDB: d1jvna1, d1jvnb1 |
| Domain d1jvnb2: 1jvn B:-3-229 [67358] Other proteins in same PDB: d1jvna1, d1jvnb1 complexed with 143, ni, pop, so4 |
| Domain d1ox4a2: 1ox4 A:-3-229 [87498] Other proteins in same PDB: d1ox4a1, d1ox4b1 |
| Domain d1ox4b2: 1ox4 B:-3-229 [87500] Other proteins in same PDB: d1ox4a1, d1ox4b1 complexed with cyd, ni, pop, so4 |
| Domain d1ox5a2: 1ox5 A:-3-229 [87502] Other proteins in same PDB: d1ox5a1, d1ox5b1 |
| Domain d1ox5b2: 1ox5 B:3-229 [87504] Other proteins in same PDB: d1ox5a1, d1ox5b1 complexed with 1pr, 5cs, ni; mutant |
| Domain d1ox6a2: 1ox6 A:-3-229 [87506] Other proteins in same PDB: d1ox6a1, d1ox6b1 |
| Domain d1ox6b2: 1ox6 B:-3-229 [87508] Other proteins in same PDB: d1ox6a1, d1ox6b1 complexed with ni, pop, so4 |
| Thermotoga maritima [TaxId:243274] [69448] (3 PDB entries) |
| Domain d1gpwb_: 1gpw B: [65461] Other proteins in same PDB: d1gpwa_, d1gpwc_, d1gpwe_ |
| Domain d1gpwd_: 1gpw D: [65463] Other proteins in same PDB: d1gpwa_, d1gpwc_, d1gpwe_ |
| Domain d1gpwf_: 1gpw F: [65465] Other proteins in same PDB: d1gpwa_, d1gpwc_, d1gpwe_ complexed with po4; mutant |
| Domain d1k9vf_: 1k9v F: [68365] complexed with acy |
| Domain d1kxja_: 1kxj A: [73153] |
| Domain d1kxjb_: 1kxj B: [73154] complexed with po4 |
| Thermus thermophilus [TaxId:274] [82350] (1 PDB entry) |
| Domain d1ka9h_: 1ka9 H: [77308] Other proteins in same PDB: d1ka9f_ |
Timeline for Protein GAT subunit, HisH, (or domain) of imidazoleglycerolphosphate synthase HisF from c.23.16.1: Class I glutamine amidotransferases (GAT):