Structural Classification of Proteins

Fold: Flavodoxin-like

: 3 layers, a/b/a; parallel beta-sheet of 5 strand, order 21345

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

Superfamilies:

CheY-like [52172] (7)
uperfamily
1. CheY-related [52173] (32)
  1. CheY protein [52174]
    1. Escherichia coli [TaxId: 562] [52175] (35)
      SQ P06143
    2. Salmonella typhimurium [TaxId: 90371] [52176] (18)
    3. Thermotoga maritima [TaxId: 2336] [52177] (5)
      SQ Q56312
    4. Sinorhizobium meliloti, CheY2 [TaxId: 382] [102225] (2)
      SQ Q52884
  2. Nitrate/nitrite response regulator (NarL), receiver domain [52178]
    1. Escherichia coli [TaxId: 562] [52179] (2)
  3. NTRC receiver domain [52180]
    1. Salmonella typhimurium [TaxId: 90371] [52181] (6)
  4. Transcriptional regulatory protein FixJ, receiver domain [52182]
    1. Rhizobium meliloti [TaxId: 382] [52183] (4)
  5. Transcriptional regulatory protein DctD, receiver domain [52184]
    1. Sinorhizobium meliloti [TaxId: 382] [52185] (3)
  6. Sporulation response regulator Spo0A [52186]
    1. Bacillus stearothermophilus [TaxId: 1422] [52187] (2)
  7. Sporulation response regulator Spo0F [52188]
    1. Bacillus subtilis [TaxId: 1423] [52189] (11)
      SQ P06628
  8. Methylesterase CheB, N-terminal domain [52190]
    1. Salmonella typhimurium [TaxId: 90371] [52191] (1)
  9. PhoB receiver domain [52192]
    1. Thermotoga maritima [TaxId: 2336] [69445] (1)
    2. Escherichia coli [TaxId: 562] [52193] (7)
  10. PhoP receiver domain [82340]
    1. Bacillus subtilis [TaxId: 1423] [82341] (1)
    2. Escherichia coli [TaxId: 562] [159479] (3)
      SQ P23836 1-119
  11. Response regulator DrrB [89587]
    1. Thermotoga maritima [TaxId: 2336] [89588] (1)
  12. Response regulator for cyanobacterial phytochrome [75152]
    1. Synechocystis sp. PCC 6803, RCP1 [TaxId: 1148] [75153] (2)
    2. Calothrix sp. pcc 7601, RcpA [TaxId: 1188] [102226] (1)
    3. Calothrix sp. pcc 7601, RcpB [TaxId: 1188] [102227] (1)
  13. Cell division response regulator DivK [82342]
    1. Caulobacter crescentus [TaxId: 155892] [82343] (5)
  14. Response regulator Sin1 [102228]
    1. Baker's yeast (Saccharomyces cerevisiae) [TaxId: 4932] [102229] (3)
  15. Transcriptional activator sigm54 (NtrC1), N-terminal domain [102230]
    1. Aquifex aeolicus [TaxId: 63363] [102231] (2)
  16. DNA-binding response regulator MicA, N-terminal domain [102232]
    1. Streptococcus pneumoniae [TaxId: 1313] [102233] (11)
  17. Probable two-component system transcriptional regulator Rv1626 [110464]
    contains extra C-terminal all-alpha subdomain (144-20), 3-helical bundle
    1. Mycobacterium tuberculosis [TaxId: 1773] [110465] (2)
      SQ O06143
  18. Response regulator PleD, receiver domain [117472]
    duplication: tandem repeat of 2 CheY-like domains
    1. Caulobacter crescentus [TaxId: 155892] [117473] (5)
      SQ Q9A5I5
  19. Sensor kinase protein RcsC, C-terminal domain [142023]
    1. Escherichia coli [TaxId: 562] [142024] (2)
      SQ P14376 817-949
  20. Transcriptional regulatory protein KdpE, N-terminal domain [142025]
    1. Escherichia coli [TaxId: 562] [142026] (4)
      SQ P21866 2-120
  21. Response regulatory protein StyR, N-terminal domain [142027]
    1. Pseudomonas fluorescens [TaxId: 294] [142028] (2)
      SQ O30989 3-130
  22. Hypothetical protein BH3024 [142029]
    1. Bacillus halodurans [TaxId: 86665] [142030] (1)
      SQ Q9K8I2 2-119
  23. Transcriptional regulatory protein PrrA, N-terminal domain [142031]
    1. Mycobacterium tuberculosis [TaxId: 1773] [142032] (4)
      SQ P0A5Z6 7-127
  24. TorCAD operon transcriptional regulator TorD, N-terminal domain [142033]
    1. Escherichia coli [TaxId: 562] [142034] (4)
      SQ P38684 2-121
  25. Aerobic respiration control protein ArcA, N-terminal domain [142035]
    1. Escherichia coli [TaxId: 562] [142036] (4)
      SQ P0A9Q1 2-122
2. Receiver domain of the ethylene receptor [52194] (1)
  1. Receiver domain of the ethylene receptor [52195]
    1. Thale cress (Arabidopsis thaliana) [TaxId: 3702] [52196] (1)
3. Positive regulator of the amidase operon AmiR [52197] (1)
  1. Positive regulator of the amidase operon AmiR [52198]
    contains coiled coil and small all-alpha subdomains in the C-terminal extension
    1. Pseudomonas aeruginosa [TaxId: 287] [52199] (1)
4. Ornithine decarboxylase N-terminal "wing" domain [52252] (1)
  1. Ornithine decarboxylase N-terminal "wing" domain [52253]
    1. Lactobacillus sp., strain 30a [TaxId: 1591] [52254] (2)
5. N-terminal domain of the circadian clock protein KaiA [82344] (1)
  lacks canonical receiver domains features
  1. N-terminal domain of the circadian clock protein KaiA [82345]
    1. Synechococcus elongatus [TaxId: 32046] [82346] (3)
      SQ Q79PF6
6. RcsC linker domain-like [142037] (1)
  PfamB 016190; probable rudiment CheY-like domain; precedes the C-terminal CheY-related domain of similar structure
  1. Sensor kinase protein RcsC [142038]
    1. Escherichia coli [TaxId: 562] [142039] (2)
      SQ P14376 700-816
7. AF1403 C-terminal domain-like [142040] (1)
  1. Hypothetical protein AF1403, C-terminal domain [142041]
    1. Archaeon Archaeoglobus fulgidus [TaxId: 2234] [142042] (3)
      SQ O28869 79-217
Toll/Interleukin receptor TIR domain [52200] (1)
uperfamily
1. Toll/Interleukin receptor TIR domain [52201] (2)
  1. Toll-like receptor 1, TLR1 [52202]
    1. Human (Homo sapiens) [TaxId: 9606] [52203] (1)
  2. Toll-like receptor 2, TLR2 [52204]
    1. Human (Homo sapiens) [TaxId: 9606] [52205] (3)
Hypothetical protein MTH538 [52206] (1)
uperfamily
1. Hypothetical protein MTH538 [52207] (1)
  1. Hypothetical protein MTH538 [52208]
    1. Archaeon Methanobacterium thermoautotrophicum [TaxId: 145262] [52209] (1)
Succinyl-CoA synthetase domains [52210] (1)
uperfamily
1. Succinyl-CoA synthetase domains [52211] (6)
  contain additional N-terminal strand "0", antiparallel to strand 2
  1. Succinyl-CoA synthetase, alpha-chain, C-terminal domain [52212]
    1. Escherichia coli [TaxId: 562] [52213] (18)
    2. Thermus thermophilus [TaxId: 274] [89589] (1)
    3. Pig (Sus scrofa) [TaxId: 9823] [52214] (6)
  2. Succinyl-CoA synthetase, beta-chain, C-terminal domain [52215]
    1. Escherichia coli [TaxId: 562] [52216] (18)
    2. Pig (Sus scrofa) [TaxId: 9823] [52217] (6)
  3. Acetate-CoA ligase alpha chain, AcdA, domains 2 and 3 [142043]
    duplication: tandem repeat of two similar domains, structurally and functionally related to the C-terminal domains of Succinyl-CoA synthetase subunits; the first domain (2) is related to the alpha-chain domain, whereas the second domain (3) is related to the beta-chain domain
    1. Pyrococcus horikoshii [TaxId: 53953] [142044] (4)
      SQ O58493 130-290! SQ O58493 291-453
      PH0766
Flavoproteins [52218] (8)
uperfamily
1. Flavodoxin-related [52219] (13)
  binds FMN
  1. Flavodoxin [52220]
    1. Chondrus crispus [TaxId: 2769] [52221] (1)
    2. Desulfovibrio vulgaris [TaxId: 881] [52222] (25)
      SQ P00323
    3. Anabaena, pcc 7119 and 7120 [TaxId: 1163] [52223] (7)
    4. Escherichia coli [TaxId: 562] [52224] (2)
    5. Synechococcus elongatus PCC 7942 [TaxId: 1140] [52225] (10)
    6. Clostridium beijerinckii [TaxId: 1520] [52226] (16)
    7. Helicobacter pylori [TaxId: 210] [69446] (1)
    8. Megasphaera elsdenii [TaxId: 907] [142045] (1)
      SQ P00321 1-137
    9. Azotobacter vinelandii [TaxId: 354] [142046] (2)
      SQ P00324 1-179
  2. FMN-binding domain of the cytochrome P450bm-3 [52227]
    1. Bacillus megaterium [TaxId: 1404] [52228] (1)
  3. Rubredoxin oxygen:oxidoreductase (ROO), C-terminal domain [52229]
    1. Desulfovibrio gigas [TaxId: 879] [52230] (1)
  4. ROO-like flavoprotein TM0755, C-terminal domain [110466]
    1. Thermotoga maritima [TaxId: 2336] [110467] (1)
      SQ Q9WZL4
  5. Nitric oxide reductase C-terminal domain [142047]
    1. Moorella thermoacetica [TaxId: 1525] [142048] (12)
      SQ Q9FDN7 251-399
2. Cytochrome p450 reductase N-terminal domain-like [52231] (4)
  1. NADPH-cytochrome p450 reductase, N-terminal domain [52232]
    1. Rat (Rattus norvegicus) [TaxId: 10116] [52233] (4)
    2. Human (Homo sapiens) [TaxId: 9606] [52234] (1)
  2. Nitric oxide (NO) synthase FMN domain [110468]
    1. Rat (Rattus norvegicus) [TaxId: 10116] [110469] (1)
      SQ P29476 750-1413
  3. Sulfite reductase alpha-component CysJ N-terminal domain [142049]
    1. Escherichia coli [TaxId: 562] [142050] (1)
      SQ P38038 63-208
3. Quinone reductase [52235] (6)
  binds FAD
  1. NAD(P)H:quinone reductase [52236]
    1. Mouse (Mus musculus) [TaxId: 10090] [52237] (1)
    2. Rat (Rattus rattus) [TaxId: 10117] [52238] (1)
    3. Human (Homo sapiens) [TaxId: 9606] [52239] (16)
  2. Quinone reductase type 2 (menadione reductase) [52240]
    1. Human (Homo sapiens) [TaxId: 9606] [52241] (24)
  3. ACP phosphodiesterase AcpD [110470]
    evolved new enzymatic activity
    1. Escherichia coli [TaxId: 562] [110471] (8)
      SQ P41407
    2. Salmonella typhimurium [TaxId: 90371] [110472] (1)
      SQ Q8XFP4
4. Hypothetical protein SP1951 [102234] (1)
  1. Hypothetical protein SP1951 [102235]
    1. (Streptococcus pneumoniae) [TaxId: 1313] [102236] (3)
5. Hypothetical protein YwqN [102237] (1)
  1. Hypothetical protein YwqN [102238]
    Trp repressor binding protein
    1. Bacillus subtilis [TaxId: 1423] [102239] (1)
6. NADPH-dependent FMN reductase [89590] (4)
  Pfam 03358
  1. Azobenzene reductase [89591]
    1. Bacillus subtilis [TaxId: 1423] [89592] (5)
      YhdA gene product
  2. Hypothetical protein Ylr011wp [110473]
    1. Baker's yeast (Saccharomyces cerevisiae) [TaxId: 4932] [110474] (1)
      SQ Q07923
  3. Hypothetical protein PA1204 [110475]
    1. Pseudomonas aeruginosa [TaxId: 287] [110476] (2)
      SQ Q9I4D4 5-167
  4. Putative arsenical resistance protein [142051]
    1. Shigella flexneri [TaxId: 623] [142052] (4)
      SQ Q7UC03 1-233
7. Flavoprotein NrdI [110477] (1)
  1. Flavoprotein NrdI [110478]
    1. Bacillus subtilis [TaxId: 1423] [110479] (1)
      SQ P50618
8. WrbA-like [117474] (3)
  1. Trp repressor binding protein WrbA [117475]
    1. Deinococcus radiodurans [TaxId: 1299] [117476] (9)
      SQ Q9RYU4
    2. Pseudomonas aeruginosa [TaxId: 287] [142053] (5)
      SQ Q9I509 3-198! SQ Q9I509 4-196
  2. Flavodoxin FldA [142054]
    1. Aquifex aeolicus [TaxId: 63363] [142055] (6)
      SQ O67866 1-184
Cobalamin (vitamin B12)-binding domain [52242] (1)
uperfamily
1. Cobalamin (vitamin B12)-binding domain [52243] (6)
  1. Methionine synthase, C-terminal domain [52244]
    1. Escherichia coli [TaxId: 562] [52245] (4)
  2. Glutamate mutase, small subunit [52246]
    1. Clostridium tetanomorphum [TaxId: 1553] [52247] (3)
    2. Clostridium cochlearium [TaxId: 1494] [52248] (4)
  3. Methylmalonyl-CoA mutase alpha subunit, C-terminal domain [88717]
    active subunit; binds B12
    1. Propionibacterium freudenreichii, subsp. shermanii [TaxId: 1744] [88718] (8)
  4. Methylmalonyl-CoA mutase beta subunit, C-terminal domain [88719]
    inactive subunit
    1. Propionibacterium freudenreichii, subsp. shermanii [TaxId: 1744] [88720] (8)
  5. D-lysine 5,6-aminomutase beta subunit KamE, C-terminal domain [117477]
    most similar to the glutamate mutase subunit
    1. Clostridium sticklandii [TaxId: 1511] [117478] (1)
      SQ Q9ZFE5
N5-CAIR mutase (phosphoribosylaminoimidazole carboxylase, PurE) [52255] (1)
uperfamily
1. N5-CAIR mutase (phosphoribosylaminoimidazole carboxylase, PurE) [52256] (4)
  1. N5-CAIR mutase (phosphoribosylaminoimidazole carboxylase, PurE) [52257]
    1. Escherichia coli [TaxId: 562] [52258] (3)
    2. Thermotoga maritima [TaxId: 2336] [89593] (1)
      TM0446
    3. Acetobacter aceti [TaxId: 435] [110480] (5)
      SQ Q72LC1
    4. Bacillus anthracis [TaxId: 1392] [117479] (1)
      SQ Q81ZH8
SGNH hydrolase [52266] (9)
uperfamily
1. Esterase [52267] (1)
  1. Esterase [52268]
    1. Streptomyces scabies [TaxId: 1930] [52269] (3)
2. Esterase domain of haemagglutinin-esterase-fusion glycoprotein HEF1 [52270] (1)
  1. Esterase domain of haemagglutinin-esterase-fusion glycoprotein HEF1 [52271]
    includes irregular N- and C-terminal extensions
    1. Influenza C virus [TaxId: 11552] [52272] (1)
3. Acetylhydrolase [52273] (3)
  1. Platelet-activating factor acetylhydrolase [52274]
    1. Cow (Bos taurus), alpha1 [TaxId: 9913] [52275] (6)
    2. Cow (Bos taurus), alpha2 [TaxId: 9913] [88721] (11)
  2. Uncharacterized protein SP1450 [159480]
    Putative platelet activating factor
    1. Streptococcus pneumoniae [TaxId: 1313] [159481] (4)
      SQ Q97PY9 1-211
4. Rhamnogalacturonan acetylesterase [52276] (1)
  1. Rhamnogalacturonan acetylesterase [52277]
    1. Fungus (Aspergillus aculeatus) [TaxId: 5053] [52278] (4)
5. TAP-like [89594] (2)
  1. Thioesterase I, TAP [89595]
    multifunctional enzyme with thioesterase, esterase, protease and lysophospholiase activities
    1. Escherichia coli [TaxId: 562] [89596] (5)
      SQ P29679 27-205
  2. Lipase/acylhydrolase [142056]
    1. Enterococcus faecalis [TaxId: 1351] [142057] (1)
      SQ Q839J6 1-195
6. Hypothetical protein alr1529 [102240] (1)
  1. Hypothetical protein alr1529 [102241]
    putative lipase
    1. Nostoc sp. pcc 7120 [TaxId: 103690] [102242] (5)
7. Putative acetylxylan esterase-like [142058] (2)
  Pfam 03629 (DUF303); contains a characteristic zinc(less) finger-like insertion after strand 1; lacks the conserved in other families Asn residue
  1. Putative acetylxylan esterase At4g34215 [142059]
    1. Thale cress (Arabidopsis thaliana) [TaxId: 3702] [142060] (4)
      SQ Q8L9J9 17-260
  2. Acetylxylan esterase related enzyme [142061]
    1. Clostridium acetobutylicum [TaxId: 1488] [142062] (6)
      SQ Q97LM8 1-282
8. YxiM C-terminal domain-like [159482] (1)
  subfamily of Pfam 00657
  1. Hypothetical protein YxiM [159483]
    1. Bacillus subtilis [TaxId: 1423] [159484] (1)
      SQ P42304 175-382
9. BT2961-like [159485] (2)
  PfamB 005894;homotrimeric assembly
  1. Uncharacterized protein BT2961 [159486]
    putative lipase
    1. Bacteroides thetaiotaomicron [TaxId: 818] [159487] (6)
      SQ Q8A3J3 38-285
  2. Uncharacterized protein Lp3323 [159488]
    1. Lactobacillus plantarum [TaxId: 1590] [159489] (3)
      SQ Q88SR8 18-224
Beta-D-glucan exohydrolase, C-terminal domain [52279] (1)
uperfamily
1. Beta-D-glucan exohydrolase, C-terminal domain [52280] (1)
  1. Beta-D-glucan exohydrolase, C-terminal domain [52281]
    interdomain linker forms an additional, N-terminal strand
    1. Barley (Hordeum vulgare) [TaxId: 4513] [52282] (9)
Formate/glycerate dehydrogenase catalytic domain-like [52283] (3)
uperfamily
1. Formate/glycerate dehydrogenases, substrate-binding domain [52284] (9)
  this domain is interrupted by the Rossmann-fold domain
  1. Formate dehydrogenase [52285]
    contains an additional beta-hairpin after the common fold
    1. Pseudomonas sp., strain 101 [TaxId: 306] [52286] (2)
  2. Putative formate dehydrogenase [52287]
    1. Archaeon Pyrobaculum aerophilum [TaxId: 13773] [52288] (1)
  3. Transcription corepressor CtbP [82347]
    C-terminal binding protein 1; a dehydrogenase
    1. Human (Homo sapiens), Ctbp1 [TaxId: 9606] [82348] (1)
    2. Rat (Rattus norvegicus), Ctbp3 [TaxId: 10116] [89597] (2)
  4. D-2-hydroxyisocaproate dehydrogenase [52289]
    1. Lactobacillus casei [TaxId: 1582] [52290] (1)
  5. D-glycerate dehydrogenase [52291]
    1. Hyphomicrobium methylovorum [TaxId: 84] [52292] (1)
  6. Phosphoglycerate dehydrogenase [52293]
    has additional C-terminal domain of the ferredoxin fold
    1. Escherichia coli [TaxId: 562] [52294] (18)
    2. Mycobacterium tuberculosis [TaxId: 1773] [142063] (2)
      SQ P0A544 2-97,282-315
      there is an intervening domain between this domain and regulatory (C-terminal) domain
  7. D-lactate dehydrogenase [52295]
    1. Lactobacillus helveticus [TaxId: 1587] [52296] (3)
2. L-alanine dehydrogenase-like [52297] (2)
  1. L-alanine dehydrogenase [52298]
    1. Phormidium lapideum [TaxId: 32060] [52299] (3)
  2. Nicotinamide nucleotide transhydrogenase dI component [63963]
    L-alanine dehydrogenase homologue
    1. Rhodospirillum rubrum [TaxId: 1085] [63964] (28)
3. S-adenosylhomocystein hydrolase [52300] (3)
  1. S-adenosylhomocystein hydrolase [52301]
    contains additional secondary structures disguising the superfamily fold
    1. Human (Homo sapiens) [TaxId: 9606] [52302] (2)
    2. Rat (Rattus norvegicus) [TaxId: 10116] [52303] (17)
    3. Plasmodium falciparum, isolate 3D7 [TaxId: 5833] [117480] (1)
      SQ P50250
Type II 3-dehydroquinate dehydratase [52304] (1)
uperfamily
1. Type II 3-dehydroquinate dehydratase [52305] (5)
  1. Type II 3-dehydroquinate dehydratase [52306]
    1. Mycobacterium tuberculosis [TaxId: 1773] [52307] (4)
    2. Streptomyces coelicolor [TaxId: 1902] [52308] (40)
    3. Bacillus subtilis [TaxId: 1423] [82349] (1)
    4. Helicobacter pylori [TaxId: 210] [89598] (14)
    5. Actinobacillus pleuropneumoniae [TaxId: 715] [102243] (1)
N-(deoxy)ribosyltransferase-like [52309] (3)
there are similar active site architectures as well as the catalytic mechanisms of functionally characterised members
uperfamily
1. N-deoxyribosyltransferase [52310] (3)
  1. Nucleoside 2-deoxyribosyltransferase [52311]
    class II N-deoxyribosyltransferase
    1. Lactobacillus leichmannii [TaxId: 28039] [52312] (2)
    2. Trypanosoma brucei [TaxId: 5691] [142064] (10)
      SQ Q57VC7 1-152
  2. Purine transdeoxyribosylase [102244]
    class I N-deoxyribosyltransferase
    1. Lactobacillus helveticus [TaxId: 1587] [102245] (5)
2. Hypothetical protein PA1492 [110461] (1)
  lacks the last strand; monomer; predicted deoxyribosyltransferase activity
  1. Hypothetical protein PA1492 [110462]
    1. Pseudomonas aeruginosa [TaxId: 287] [110463] (1)
      SQ Q9I3M0
3. ADP ribosyl cyclase-like [56630] (3)
  contains extra N-terminal all-alpha subdomain
  1. ADP ribosyl cyclase [56631]
    1. California sea hare (Aplysia californica) [TaxId: 6500] [56632] (5)
    2. Human (Homo sapiens) [TaxId: 9606] [159490] (2)
      SQ P28907 45-291
  2. Bone marror stromal cell antigen 1, BST-1/CD157 (ADP ribosyl cyclase-2) [75597]
    1. Human (Homo sapiens) [TaxId: 9606] [75598] (6)
Ribosomal protein S2 [52313] (1)
fold elaborated with additional structures
uperfamily
1. Ribosomal protein S2 [52314] (3)
  1. Ribosomal protein S2 [52315]
    1. Thermus thermophilus [TaxId: 274] [52316] (46)
      SQ P80371
    2. Archaeon Archaeoglobus fulgidus [TaxId: 2234] [102246] (2)
    3. Escherichia coli [TaxId: 562] [159491] (26)
      SQ P0A7V0 8-225
Precorrin-8X methylmutase CbiC/CobH [63965] (1)
fold elaborated with additional structures
uperfamily
1. Precorrin-8X methylmutase CbiC/CobH [63966] (3)
  1. Precorrin-8x methylmutase [63967]
    1. Pseudomonas denitrificans [TaxId: 43306] [63968] (2)
    2. Thermus thermophilus [TaxId: 274] [102247] (1)
  2. Precorrin-8x methylmutase related protein [102248]
    1. Archaeon Thermoplasma acidophilum [TaxId: 2303] [102249] (1)
Class I glutamine amidotransferase-like [52317] (9)
conserved positions of the oxyanion hole and catalytic nucleophile; different constituent families contain different additional structures
uperfamily
1. 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
2. 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)
3. 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
4. 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
5. 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)
6. 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)
7. 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
8. HTS-like [142077] (1)
  Pfam 04204
  1. Homoserine O-succinyltransferase HTS (MetA) [142078]
    1. Bacillus cereus [TaxId: 1396] [142079] (1)
      SQ Q72X44 17-297
9. STM3548-like [159492] (1)
  Pfam 07090; DUF1355
  1. Putative cytoplasmic protein STM3548 [159493]
    1. Salmonella typhimurium [TaxId: 90371] [159494] (6)
      SQ Q8ZLF9 8-253