Structural Classification of Proteins

Superfamily: (Trans)glycosidases

: uperfamily

Lineage:

Root: scop
Class: Alpha and beta proteins (a/b) [51349]
Mainly parallel beta sheets (beta-alpha-beta units)
Fold: TIM beta/alpha-barrel [51350]
contains parallel beta-sheet barrel, closed; n=8, S=8; strand order 12345678
the first seven superfamilies have similar phosphate-binding sites
Superfamily: (Trans)glycosidases [51445]
uperfamily

Families:

Amylase, catalytic domain [51446] (54)
members of the family may contain various insert subdomains
in alpha-amylases and closer relatives this domain is usually followed by a common all-beta domain
1. Bacterial alpha-amylase [51447]
  1. Bacillus licheniformis [TaxId: 1402] [51448] (4)
  2. Chimera (Bacillus amyloliquefaciens) and (Bacillus licheniformis) [TaxId: 1390] [63903] (4)
    the N-terminal 300 residues are from B. amyloliquefaciens
  3. Pseudoalteromonas haloplanktis (Alteromonas haloplanktis) [TaxId: 228] [51449] (9)
  4. Bacillus subtilis [TaxId: 1423] [51450] (2)
    SQ P00691
  5. Bacillus stearothermophilus [TaxId: 1422] [51451] (1)
  6. Bacillus sp., ksm-k38 [TaxId: 1409] [89463] (6)
  7. Archaeon Pyrococcus woesei [TaxId: 2262] [89464] (3)
  8. Bacillus sp. 707 [TaxId: 1416] [117366] (4)
    SQ P19571 38-518
  9. Halothermothrix orenii [TaxId: 31909] [141767] (1)
    SQ Q8GPL8 28-436
  10. Bacillus halmapalus [TaxId: 79882] [141768] (3)
    SQ P19571 38-431
2. Maltosyltransferase [63904]
  similar to bacterial alpha-amylase; contains larger insertion domain
  1. Thermotoga maritima [TaxId: 2336] [63905] (2)
3. Cyclodextrin glycosyltransferase [51452]
  contains two more all-beta domains, one is Immunoglobulin-like and the other is trasthyretin-like
  1. Bacillus circulans, different strains [TaxId: 1397] [51453] (36)
  2. Bacillus stearothermophilus [TaxId: 1422] [51454] (1)
  3. Bacillus stearothermophilus, maltogenic alpha-amylase [TaxId: 1422] [51455] (2)
  4. Bacillus sp. 1011, alkaliphilic [TaxId: 1410] [51456] (8)
    SQ P05618
  5. Thermoanaerobacterium thermosulfurigenes, EM1 [TaxId: 33950] [51457] (2)
  6. Thermoanaerobacterium [TaxId: 28895] [159380] (2)
4. Animal alpha-amylase [51458]
  contains Ca2+-binding subdomain, residues 100-170
  1. Pig (Sus scrofa) [TaxId: 9823] [51459] (14)
  2. Human (Homo sapiens) [TaxId: 9606] [51460] (43)
    SQ P04746 16-511 ! SQ 04746
  3. Yellow mealworm (Tenebrio molitor), larva [TaxId: 7067] [51461] (4)
5. Fungal alpha-amylases [51462]
  1. Aspergillus niger, acid amylase [TaxId: 5061] [51463] (1)
  2. Aspergillus oryzae, Taka-amylase [TaxId: 5062] [51464] (8)
6. Maltogenic amylase, central domain [51465]
  contains an additional N-terminal domain
  1. Thermus sp. [TaxId: 275] [51466] (2)
  2. Bacillus sp., cyclomaltodextrinase [TaxId: 1409] [75060] (1)
  3. Thermoactinomyces vulgaris, TVAI [TaxId: 2026] [75061] (9)
  4. Thermoactinomyces vulgaris, TVAII [TaxId: 2026] [51467] (25)
7. Neopullulanase, central domain [82240]
  homologous to Maltogenic amylase
  1. Bacillus stearothermophilus [TaxId: 1422] [82241] (4)
8. Cyclomaltodextrinase, central domain [102058]
  protein shares similar domain organization with maltogenic amylases but differs in the spatial arrangement of its domains
  1. Flavobacterium sp. 92 [TaxId: 197856] [102059] (1)
9. Maltooligosyl trehalose synthase [82242]
  elaborated with several large insertions in the common fold
  1. Archaeon Sulfolobus acidocaldarius [TaxId: 2285] [82243] (1)
10. Glycosyltrehalose trehalohydrolase, central domain [51468]
  contains an additional N-terminal domain
  1. Archaeon Sulfolobus solfataricus, km1 [TaxId: 2287] [51469] (2)
  2. Deinococcus radiodurans [TaxId: 1299] [141769] (9)
    SQ Q9RX51 111-528
11. 1,4-alpha-glucan branching enzyme, central domain [82244]
  1. Escherichia coli [TaxId: 562] [82245] (1)
12. Isoamylase, central domain [51470]
  1. Pseudomonas amyloderamosa [TaxId: 32043] [51471] (1)
13. G4-amylase (1,4-alpha-D-glucan maltotetrahydrolase) [51472]
  1. Pseudomonas stutzeri [TaxId: 316] [51473] (9)
14. Plant alpha-amylase [51474]
  1. Barley (Hordeum vulgare), seeds, AMY2 isozyme [TaxId: 4513] [51475] (3)
  2. Barley (Hordeum vulgare), AMY1 isozyme [TaxId: 4513] [89465] (10)
15. 4-alpha-glucanotransferase [75062]
  1. Thermotoga maritima [TaxId: 2336] [75063] (2)
16. Oligo-1,6, glucosidase [51476]
  1. Bacillus cereus [TaxId: 1396] [51477] (1)
17. Isomaltulose synthase PalI [89466]
  1. Klebsiella sp., lx3 [TaxId: 576] [89467] (1)
18. Amylosucrase [69384]
  1. Neisseria polysaccharea [TaxId: 489] [69385] (10)
19. Sucrose phosphorylase [102060]
  sequence and close structural relationship to amylosucrase; variations in the C-terminal domain fold
  1. Bifidobacterium adolescentis [TaxId: 1680] [102061] (5)
20. Melibiase [75064]
  1. Chicken (Gallus gallus) [TaxId: 9031] [75065] (2)
    alpha-N-acetylgalactosaminidase
  2. Rice (Oryza sativa) [TaxId: 4530] [89468] (1)
    alpha-galactosidase
  3. Human (Homo sapiens) [TaxId: 9606] [102062] (2)
    alpha-galactosidase A
  4. Trichoderma reesei [TaxId: 51453] [110349] (2)
    Alpha-galactosidase agl1
    SQ Q92456
21. Amylomaltase MalQ [51478]
  4-alpha-glucanotransferase; single-domain amylase with several insertions in the common fold
  1. Thermus aquaticus [TaxId: 271] [51479] (4)
    synonym: Thermus thermophilus
  2. Aquifex aeolicus [TaxId: 63363] [141770] (2)
    SQ O66937 1-485
  3. Potato (Solanum tuberosum) [TaxId: 4113] [141771] (1)
    SQ Q06801 54-576
22. A4 beta-galactosidase [82246]
  the catalytic domain is very similar to that of the bacterial beta-amylase; but contains a typical alpha-amylase extra domain
  1. Thermus thermophilus [TaxId: 274] [82247] (2)
23. Bacterial beta-amylase [51485]
  protein contains additional starch-binding domain
  1. Bacillus cereus [TaxId: 1396] [51486] (14)
24. beta-Amylase [51481]
  Common fold covers whole protein structure
  1. Soybean (Glycine max) [TaxId: 3847] [51482] (19)
    SQ P10538
  2. Barley (Hordeum vulgare) [TaxId: 4513] [51483] (1)
  3. Sweet potato (Ipomoea batatas) [TaxId: 4120] [51484] (1)
25. Pullulanase PulA [159381]
  1. Klebsiella pneumoniae [TaxId: 573] [159382] (3)
    SQ P07206 410-972
beta-glycanases [51487] (54)
consist of a number of sequence families
1. Xylanase [51488]
  1. Clostridium thermocellum, XynZ [TaxId: 1515] [51489] (1)
    belongs to family F
  2. Bacillus stearothermophilus, Xt6 [TaxId: 1422] [69386] (4)
    SQ P40943
  3. Bacillus stearothermophilus, Ixt6 [TaxId: 1422] [102063] (1)
    intra-cellular xylanase
  4. Cellvibrio mixtus [TaxId: 39650] [102064] (4)
  5. Penicillium simplicissimum [TaxId: 69488] [51490] (1)
    belongs to family 10
  6. Thermotoga maritima [TaxId: 2336] [141772] (4)
    SQ Q9WXS5 23-346
2. Endoglucanase CelA [51491]
  1. Clostridium cellulolyticum [TaxId: 1521] [51492] (1)
3. Endoglucanase CelC [51493]
  1. Clostridium thermocellum [TaxId: 1515] [51494] (3)
4. Exo-beta-(1,3)-glucanase [51495]
  1. Yeast (Candida albicans) [TaxId: 5476] [51496] (4)
  2. Baker's yeast (Saccharomyces cerevisiae) [TaxId: 4932] [102065] (1)
5. Endoglucanase homologue TM1752 [102066]
  1. Thermotoga maritima [TaxId: 2336] [102067] (1)
6. Endocellulase E1 [51497]
  1. Acidothermus cellulolyticus [TaxId: 28049] [51498] (3)
7. Endocellulase EngI [75066]
  1. Thermoascus aurantiacus [TaxId: 5087] [75067] (2)
8. Endoglucanase Cel5a [51499]
  1. Bacillus agaradhaerens [TaxId: 76935] [51500] (20)
    SQ O85465 30-329
  2. Erwinia chrysanthemi [TaxId: 556] [51501] (1)
  3. Bacillus subtilis [TaxId: 1423] [75068] (1)
  4. Pseudoalteromonas haloplanktis [TaxId: 228] [141773] (4)
    SQ O86099 33-325
9. Alkaline cellulase K catalytic domain [63906]
  1. Bacillus sp. [TaxId: 1409] [63907] (2)
10. Beta-mannanase [51502]
  1. Thermomonospora fusca [TaxId: 2021] [51503] (3)
  2. Trichoderma reesei [TaxId: 51453] [51504] (5)
  3. Tomato (Lycopersicon esculentum) [TaxId: 4081] [141774] (1)
    SQ Q93WT4 30-399
  4. Bacillus sp. JAMB-602 [TaxId: 244966] [141775] (1)
    SQ Q4W8M3 34-490
    contains additional C-terminal domain (CBM)
11. Exomannosidase [102068]
  mannosyl-oligosaccharide glucosidase
  1. Cellvibrio mixtus [TaxId: 39650] [102069] (2)
    SQ Q6QT42 46-455
12. Beta-1,4-galactanase [89469]
  1. Fungus (Aspergillus aculeatus) [TaxId: 5053] [89470] (2)
  2. Thielavia heterothallica, aka Myceliophthora thermophila [TaxId: 78579] [89471] (2)
    Myceliophthora thermophila is the anamorph name whilst Thielavia heterothallica is the teleomorph name
  3. Humicola insolens [TaxId: 34413] [89472] (1)
  4. Bacillus licheniformis [TaxId: 1402] [117367] (7)
    SQ Q65CX5 36-422 ! SQ Q65CX5 28-424
13. Mannanase A, ManA [63908]
  1. Pseudomonas cellulosa (Cellvibrio japonicus) [TaxId: 155077] [63909] (5)
  2. Cellulomonas fimi [TaxId: 1708] [141776] (3)
    SQ Q9XCV5 55-420
14. Plant beta-glucanases [51507]
  1. Barley (Hordeum vulgare), 1,3-beta-glucanase [TaxId: 4513] [51508] (1)
  2. Barley (Hordeum vulgare), 1,3-1,4-beta-glucanase [TaxId: 4513] [51509] (2)
  3. Banana (Musa acuminata), 1,3-beta-glucanase [TaxId: 4641] [141777] (1)
    SQ O22317 29-340
15. beta-Galactosidase, domain 3 [51510]
  1. Escherichia coli [TaxId: 562] [51511] (25)
    SQ P00722
  2. Arthrobacter sp. c2-2 [TaxId: 192168] [141778] (6)
    SQ Q8KRF6 313-609
16. beta-Glucuronidase, domain 3 [51512]
  1. Human (Homo sapiens) [TaxId: 9606] [51513] (1)
17. Xylanase A, catalytic core [51514]
  1. Streptomyces lividans [TaxId: 1916] [51515] (9)
    SQ P26514 43-344
  2. Penicillium simplicissimum [TaxId: 69488] [51516] (7)
  3. Pseudomonas fluorescens [TaxId: 294] [51517] (8)
    SQ P14768 265-610
  4. Thermoascus aurantiacus [TaxId: 5087] [51518] (10)
  5. Streptomyces olivaceoviridis [TaxId: 1921] [51519] (12)
    SQ Q7SI98
    N-terminal domain; fused with a ricin A-like beta-trefoil domain
  6. Cellulomonas fimi [TaxId: 1708] [51520] (9)
    synonym: beta-1,4-glycanase Cex
  7. Streptomyces halstedii [TaxId: 1944] [102070] (1)
  8. Emericella nidulans (Aspergillus nidulans) [TaxId: 162425] [110350] (1)
    SQ Q00177
18. Xylanase 10c [102071]
  Endo-beta-1,4-xylanase
  1. Cellvibrio japonicus [TaxId: 155077] [102072] (2)
19. Glucosylceramidase, catalytic domain [89473]
  acid-beta-glucosidase; glycosyl hydrolase family 30; contains additional beta-domain similar to one found in alpha amylases
  1. Human (Homo sapiens) [TaxId: 9606] [89474] (27)
20. Glycosyl hydrolase family 5 xylanase, catalytic domain [102073]
  overall domain organization is similar to the homologous glucosylceramidase
  1. Erwinia chrysanthemi [TaxId: 556] [102074] (1)
21. Alpha-L-arabinofuranosidase, catalytic domain [102075]
  glycosyl hydrolase family 51
  1. Bacillus stearothermophilus [TaxId: 1422] [102076] (4)
  2. Clostridium thermocellum [TaxId: 1515] [141779] (12)
    SQ Q4CJG5 17-386
22. Beta-D-xylosidase, catalytic domain [102077]
  glycosyl hydrolase family 39
  1. Thermoanaerobacterium saccharolyticum [TaxId: 28896] [102078] (2)
  2. Bacillus stearothermophilus [TaxId: 1422] [141780] (24)
    SQ Q9ZFM2 15-361
23. endo-1,4-beta-mannosidase [141781]
  1. Blue mussel (Mytilus edulis) [TaxId: 6550] [141782] (1)
    SQ Q8WPJ2 18-367
24. Endoglucanase H N-terminal domain [141783]
  1. Clostridium thermocellum [TaxId: 1515] [141784] (4)
    SQ P16218 29-304! SQ P16218 31-304
25. Exochitosanase CsxA [159383]
  1. Amycolatopsis orientalis [TaxId: 31958] [159384] (2)
    SQ Q56F26 336-674
26. Five-domain beta-mannosidase, domain 3 [159385]
  1. Bacteroides thetaiotaomicron [TaxId: 818] [159386] (18)
    SQ Q8AAK6 330-678! SQ Q8AAK6 331-678
Putative alpha-L-fucosidase, catalytic domain [102079] (1)
glycosyl hydrolase family 29; contains additional beta-barrel with a topological similarity to the C-terminal domain of alpha amylases
1. Putative alpha-L-fucosidase, catalytic domain [102080]
  1. Thermotoga maritima [TaxId: 2336] [102081] (3)
    TM0306
Family 1 of glycosyl hydrolase [51521] (15)
1. Plant beta-glucosidase (myrosinase) [51522]
  1. White mustard (Sinapis alba) [TaxId: 3728] [51523] (17)
  2. Creeping white clover (Trifolium repens) [TaxId: 3899] [51524] (1)
    Cyanogenic beta-glucosidase
  3. Maize (Zea mays), zmglu1 [TaxId: 4577] [51525] (9)
    SQ P49235
  4. Sorghum bicolor [TaxId: 4558] [110351] (2)
    SQ Q41290
2. 6-phospho-beta-D-galactosidase, PGAL [51526]
  1. Lactococcus lactis [TaxId: 1358] [51527] (4)
3. Beta-glucosidase A [51528]
  1. Bacillus polymyxa [TaxId: 1406] [51529] (5)
  2. Bacillus circulans, subsp. alkalophilus [TaxId: 1397] [51530] (1)
  3. Streptomyces sp. [TaxId: 1931] [82248] (2)
  4. Thermotoga maritima [TaxId: 2336] [89475] (40)
    SQ Q08638
  5. Thermus thermophilus [TaxId: 274] [89476] (1)
  6. Thermus nonproteolyticus [TaxId: 116039] [89477] (1)
  7. Archaeon Pyrococcus horikoshii [TaxId: 53953] [141785] (1)
    SQ O58104 1-423
4. beta-Glycosidase [51531]
  1. Archaeon Sulfolobus solfataricus [TaxId: 2287] [51532] (14)
    SQ P22498
  2. Archaeon Thermosphaera aggregans [TaxId: 54254] [51533] (1)
5. Thioglucosidase [141786]
  1. Cabbage aphid (Brevicoryne brassicae) [TaxId: 69196] [141787] (2)
    SQ Q95X01 3-464
Type II chitinase [51534] (22)
glycosylase family 18
1. Hevamine A (chitinase/lysozyme) [51535]
  1. Para rubber tree (Hevea brasiliensis) [TaxId: 3981] [51536] (7)
2. Xylanase inhibitor protein I, XIP-I [89478]
  1. Wheat (Triticum aestivum) [TaxId: 4565] [89479] (3)
    SQ Q8L5C6
3. Seed storage protein [51537]
  close relation of hevamine, may bind chitin
  1. Vicia narbonensis, Narbonin [TaxId: 3912] [51538] (1)
  2. Jack bean (Canavalia ensiformis), Concanavalin B [TaxId: 3823] [51539] (1)
4. Endo-beta-N-acetylglucosaminidase [51540]
  1. Flavobacterium meningosepticum, endoglycosidase F1 [TaxId: 238] [51541] (1)
  2. Flavobacterium meningosepticum, endoglycosidase F3 [TaxId: 238] [51542] (2)
  3. Streptomyces plicatus, endoglycosidase H [TaxId: 1922] [51543] (8)
5. Chitinase A, catalytic domain [51544]
  1. Serratia marcescens [TaxId: 615] [51545] (11)
    SQ P07254 24-563
6. Chitinase B, catalytic domain [51546]
  1. Serratia marcescens [TaxId: 615] [51547] (14)
7. Psychrophilic chitinase B [82249]
  1. Arthrobacter sp., tad20 [TaxId: 1667] [82250] (1)
8. Chitinase A1 [75069]
  1. Bacillus circulans [TaxId: 1397] [75070] (1)
9. Chitinase 1 [51548]
  1. Fungus (Coccidioides immitis) [TaxId: 5501] [51549] (4)
  2. Aspergillus fumigatus [TaxId: 5085] [117368] (26)
    SQ Q873X9
10. Chitotriosidase [82251]
  1. Human (Homo sapiens) [TaxId: 9606] [82252] (10)
11. Signal processing protein (SPC-40, MGP-40) [89480]
  secreted during involution
  1. Goat (Capra hircus) [TaxId: 9925] [89481] (14)
  2. Cow (Bos taurus) [TaxId: 9913] [110352] (1)
    SQ P30922
  3. Sheep (Ovis aries) [TaxId: 9940] [109611] (12)
    SQ Q6TMG6
  4. Buffalo (Bubalus bubalis) [TaxId: 89462] [110353] (3)
    SQ Q7YS85
  5. Pig (Sus scrofa) [TaxId: 9823] [117369] (4)
    SQ Q5UC99
12. Chitinase-3 like protein 1 (GP-39, YKL-40) [89482]
  1. Human (Homo sapiens) [TaxId: 9606] [89483] (7)
13. Chitinase-like lectin ym1, saccharide binding domain [63910]
  1. Mouse (Mus musculus) [TaxId: 10090] [63911] (2)
14. Imaginal disc growth factor-2 [75071]
  1. Fruit fly (Drosophila melanogaster) [TaxId: 7227] [75072] (2)
1,4-beta-N-acetylmuraminidase [63912] (3)
Glycosyl hydrolase family 25; probably have evolved from a type II chitinase ancestor
permutation of the common fold; strand 8 is antiparallel to the rest of the barrel
1. Streptomyces lysozyme [63913]
  supersedes and corrects the old structure from S. erythraeus; 0LZ6
  1. Streptomyces coelicolor, "mueller" dsm3030 [TaxId: 1902] [63914] (1)
2. N-terminal domain of endolysin [89484]
  1. Bacteriophage cp-1 [TaxId: 10747] [89485] (6)
3. Unnamed hypothetical protein [102082]
  homologue of BH2215 from the complete Bacillus halodurans genome
  1. Bacillus stearothermophilus [TaxId: 1422] [102083] (1)
beta-N-acetylhexosaminidase catalytic domain [51550] (5)
Glycosyl hydrolase family 20, GH20
1. Bacterial chitobiase (beta-N-acetylhexosaminidase) [51551]
  1. Serratia marcescens [TaxId: 615] [51552] (4)
2. beta-N-acetylhexosaminidase [63915]
  1. Streptomyces plicatus [TaxId: 1922] [63916] (6)
3. beta-hexosaminidase B [89486]
  1. Human (Homo sapiens) [TaxId: 9606] [89487] (12)
4. Dispersin B, DspB [141788]
  N-acetyl-beta-hexosaminidase
  1. Actinobacillus actinomycetemcomitans [TaxId: 714] [141789] (1)
    SQ Q840G9 16-359
5. beta-hexosaminidase A [159387]
  1. Human (Homo sapiens) [TaxId: 9606] [159388] (8)
    SQ P06865 167-528
alpha-D-glucuronidase/Hyaluronidase catalytic domain [82253] (4)
Glycosyl hydrolase family 67, GH67; structurally related to GH20; contains extra C-terminal alpha-helical subdomain
1. alpha-D-glucuronidase catalytic domain [82254]
  inverting reaction mechanism
  1. Pseudomonas cellulosa [TaxId: 155077] [82255] (5)
  2. Bacillus stearothermophilus [TaxId: 1422] [82256] (7)
2. Glucosaminidase GH84, catalytic domain [141790]
  1. Bacteroides thetaiotaomicron [TaxId: 818] [141791] (12)
    SQ Q89ZI2 148-457
3. Hyaluronidase catalytic domain [141792]
  1. Clostridium perfringens [TaxId: 1502] [141793] (6)
    SQ Q8XL08 179-495
NagZ-like [51553] (2)
Pfam 00933; Glycosyl hydrolase family 3 domain
1. Beta-D-glucan exohydrolase, N-terminal domain [51554]
  interdomain linker forms an additional, N-terminal strand
  1. Barley (Hordeum vulgare) [TaxId: 4513] [51555] (9)
2. Beta-hexosaminidase NagZ [117370]
  1. Vibrio cholerae [TaxId: 666] [117371] (2)
    SQ Q9KU37
Bee venom hyaluronidase [69387] (1)
distorted barrel lacks the second strand
1. Bee venom hyaluronidase [69388]
  1. Honeybee (Apis mellifera) [TaxId: 7460] [69389] (4)
Outer surface protein, N-terminal domain [110354] (1)
corresponds to the N-terminal part of Pfam 05913
1. Outer surface protein, N-terminal domain [110355]
  1. Bacillus cereus [TaxId: 1396] [110356] (1)
    SQ Q81HJ5
YicI catalytic domain-like [117372] (2)
1. Putative glucosidase YicI, domain 2 [117373]
  1. Escherichia coli [TaxId: 562] [117374] (15)
    SQ P31434
2. Alpha-galactosidase GalA catalytic domain [141794]
  includes extra C-terminal all-beta subdomain, 4-stranded meander beta-sheet
  1. Thermotoga maritima [TaxId: 2336] [141795] (1)
    SQ O33835 178-525
Glycosyl hydrolases family 35 catalytic domain [117375] (1)
Pfam 01301
1. Beta-galactosidase LacA, N-terminal domain [117376]
  1. Penicillium sp. [TaxId: 5081] [117377] (2)
    SQ Q700S9 41-1011
TM1410-like [141796] (1)
Pfam 03537
1. Hypothetical protein TM1410 [141797]
  1. Thermotoga maritima [TaxId: 2336] [141798] (6)
    SQ Q9X1D0 28-312