Structural Classification of Proteins

Superfamily: Class I glutamine amidotransferase-like

: conserved positions of the oxyanion hole and catalytic nucleophile; different constituent families contain different additional structures
uperfamily

Lineage:

Root: scop
Class: Alpha and beta proteins (a/b) [51349]
Mainly parallel beta sheets (beta-alpha-beta units)
Fold: Flavodoxin-like [52171]
3 layers, a/b/a; parallel beta-sheet of 5 strand, order 21345
Superfamily: Class I glutamine amidotransferase-like [52317]
conserved positions of the oxyanion hole and catalytic nucleophile; different constituent families contain different additional structures
uperfamily

Families:

Class I glutamine amidotransferases (GAT) [52318] (18)
contains a catalytic Cys-His-Glu triad
1. GMP synthetase [52319]
  1. Escherichia coli [TaxId: 562] [52320] (1)
2. Carbamoyl phosphate synthetase, small subunit C-terminal domain [52321]
  1. Escherichia coli [TaxId: 562] [52322] (10)
    SQ P00907
3. Anthranilate synthase GAT subunit, TrpG [52323]
  1. Archaeon Sulfolobus solfataricus [TaxId: 2287] [52324] (1)
  2. Salmonella typhimurium [TaxId: 90371] [63969] (1)
  3. Serratia marcescens [TaxId: 615] [63970] (2)
4. GAT subunit, HisH, (or domain) of imidazoleglycerolphosphate synthase HisF [69447]
  1. Thermotoga maritima [TaxId: 2336] [69448] (3)
  2. Thermus thermophilus [TaxId: 274] [82350] (1)
  3. Baker's yeast (Saccharomyces cerevisiae), His7 [TaxId: 4932] [69449] (4)
5. gamma-glutamyl hydrolase [75154]
  1. Human (Homo sapiens) [TaxId: 9606] [75155] (1)
6. Hypothetical protein TM1158 [89599]
  1. Thermotoga maritima [TaxId: 2336] [89600] (1)
7. Hypothetical protein YaaE [102250]
  glutamine amidotransferase of SNO/PDX2 family implicated in pyridoxine biosynthesis
  1. Bacillus subtilis [TaxId: 1423] [102251] (3)
  2. Bacillus stearothermophilus [TaxId: 1422] [102252] (1)
8. CTP synthase PyrG, C-terminal domain [110481]
  1. Escherichia coli [TaxId: 562] [110482] (1)
    SQ P08398
  2. Thermus thermophilus [TaxId: 274] [110483] (3)
    SQ Q5SIA8
9. FGAM synthase PurL, amidotransferase domain [110484]
  1. Salmonella typhimurium [TaxId: 90371] [110485] (1)
    SQ P74881
10. GMP synthase subunit A, GuaAA [142065]
  1. Archaeon Thermoplasma acidophilum [TaxId: 2303] [142066] (4)
    SQ Q9HJM3 1-196
  2. Archaeon Pyrococcus horikoshii [TaxId: 53953] [142067] (1)
    SQ O59071 1-188
11. Pyridoxine biosynthesis protein 2, Pdx2 [142068]
  1. Malaria parasite (Plasmodium falciparum) [TaxId: 5833] [142069] (2)
    SQ Q5ND68 2-219
A4 beta-galactosidase middle domain [82351] (1)
probable non-catalytic branch of the class I GAT family; overall fold is very similar but the active site is not conserved
1. A4 beta-galactosidase middle domain [82352]
  1. Thermus thermophilus [TaxId: 274] [82353] (2)
DJ-1/PfpI [52325] (9)
contains a catalytic triad or dyad different from the class I GAT triad
1. Intracellular protease [52326]
  1. Archaeon Pyrococcus horikoshii [TaxId: 53953] [52327] (1)
2. Hypothetical protein YhbO [89601]
  1. Escherichia coli [TaxId: 562] [89602] (1)
3. DJ-1 [89603]
  RNA-binding protein regulatory subunit
  1. Human (Homo sapiens) [TaxId: 9606] [89604] (20)
    SQ Q99497
4. Putative sigma cross-reacting protein 27A (SCRP-27A, EllB) [89606]
  involved in an early stage of isoprenoid biosynthesis; contains a Cys-Glu putative catalytic dyad
  1. Escherichia coli [TaxId: 562] [89607] (2)
5. HSP31 (HchA; YedU) [89609]
  contains a buried Cys-His-Asp triad within one subunit
  1. Escherichia coli [TaxId: 562] [89610] (5)
6. Hypothetical protein Ydr533Cp [102253]
  contains a buried Cys-His-Glu triad within one subunit
  1. Baker's yeast (Saccharomyces cerevisiae) [TaxId: 4932] [102254] (4)
7. GK2698 ortholog [117481]
  1. Bacillus stearothermophilus [TaxId: 1422] [117482] (1)
    SQ Q5KWF3; 96% sequence identity; Geobacillus kaustophilus TaxID: 1462
8. Protein ThiJ (YajL) [142070]
  1. Escherichia coli [TaxId: 562] [142071] (2)
    SQ Q46948 2-196
9. Hypothetical protein Atu0886 [142072]
  1. Agrobacterium tumefaciens [TaxId: 358] [142073] (3)
    SQ Q8UGZ9 1-188
Catalase, C-terminal domain [52328] (2)
1. Catalase, C-terminal domain [52329]
  1. Escherichia coli, HPII [TaxId: 562] [52330] (14)
  2. Neurospora crassa [TaxId: 5141] [117483] (1)
    SQ Q9C168 68-765
Aspartyl dipeptidase PepE [52331] (1)
probable circular permutation in the common core; contains a catalytic Ser-His-Glu triad
1. Aspartyl dipeptidase PepE [52332]
  1. Salmonella typhimurium [TaxId: 90371] [52333] (2)
ThuA-like [110486] (1)
Pfam 06283; overall fold is very similar the class I GAT family but the putative active site has a different structure
1. GK2113 homologue [110487]
  1. Bacillus stearothermophilus [TaxId: 1422] [110488] (1)
    SQ Q5KY38 # 99% sequence identity (Geobacillus kaustophilus TaxID:1462)
LD-carboxypeptidase A N-terminal domain-like [142074] (1)
N-terminal half of Pfam 02016
1. LD-carboxypeptidase A, N-terminal domain [142075]
  1. Pseudomonas aeruginosa [TaxId: 287] [142076] (8)
    SQ Q9HTZ1 3-169! SQ Q9HTZ1 5-142! SQ Q9HTZ1 5-169
HTS-like [142077] (1)
Pfam 04204
1. Homoserine O-succinyltransferase HTS (MetA) [142078]
  1. Bacillus cereus [TaxId: 1396] [142079] (1)
    SQ Q72X44 17-297
STM3548-like [159492] (1)
Pfam 07090; DUF1355
1. Putative cytoplasmic protein STM3548 [159493]
  1. Salmonella typhimurium [TaxId: 90371] [159494] (6)
    SQ Q8ZLF9 8-253