| Class c: Alpha and beta proteins (a/b) [51349] (136 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] (6 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] (9 proteins) contains a catalytic Cys-His-Glu triad |
| Anthranilate synthase GAT subunit, TrpG [52323] (3 species) |
| Species Archaeon Sulfolobus solfataricus [TaxId:2287] [52324] (1 PDB entry) |
| Species Salmonella typhimurium [TaxId:90371] [63969] (1 PDB entry) |
| Species Serratia marcescens [TaxId:615] [63970] (2 PDB entries) |
| Carbamoyl phosphate synthetase, small subunit C-terminal domain [52321] (1 species) |
| Species Escherichia coli [TaxId:562] [52322] (10 PDB entries) |
| CTP synthase PyrG, C-terminal domain [110481] (2 species) |
| Species Escherichia coli [TaxId:562] [110482] (1 PDB entry) |
| Species Thermus thermophilus [TaxId:274] [110483] (3 PDB entries) |
| FGAM synthase PurL, amidotransferase domain [110484] (1 species) |
| Species Salmonella typhimurium [TaxId:90371] [110485] (1 PDB entry) |
| gamma-glutamyl hydrolase [75154] (1 species) |
| Species Human (Homo sapiens) [TaxId:9606] [75155] (1 PDB entry) |
| GAT subunit, HisH, (or domain) of imidazoleglycerolphosphate synthase HisF [69447] (3 species) |
| Species Baker's yeast (Saccharomyces cerevisiae), His7 [TaxId:4932] [69449] (4 PDB entries) |
| Species Thermotoga maritima [TaxId:243274] [69448] (3 PDB entries) |
| Species Thermus thermophilus [TaxId:274] [82350] (1 PDB entry) |
| GMP synthetase [52319] (1 species) |
| Species Escherichia coli [TaxId:562] [52320] (1 PDB entry) |
| Hypothetical protein TM1158 [89599] (1 species) |
| Species Thermotoga maritima [TaxId:243274] [89600] (1 PDB entry) |
| Hypothetical protein YaaE [102250] (2 species) glutamine amidotransferase of SNO/PDX2 family implicated in pyridoxine biosynthesis |
| Species Bacillus stearothermophilus [TaxId:1422] [102252] (1 PDB entry) |
| Species Bacillus subtilis [TaxId:1423] [102251] (1 PDB entry) |
Timeline for Family c.23.16.1: Class I glutamine amidotransferases (GAT):