Structural Classification of Proteins

Fold: Concanavalin A-like lectins/glucanases

: sandwich; 12-14 strands in 2 sheets; complex topology

Lineage:

Root: scop
Class: All beta proteins [48724]
Fold: Concanavalin A-like lectins/glucanases [49898]
sandwich; 12-14 strands in 2 sheets; complex topology

Superfamilies:

Concanavalin A-like lectins/glucanases [49899] (25)
uperfamily
1. Legume lectins [49900] (28)
  1. Concanavalin A [49901]
    natural circle permutation: the "old" N- and C-termini are linked with a peptide bond, whereas the "new" ones correspond to a cleaved loop
    1. Jack bean (Canavalia ensiformis) [TaxId: 3823] [49902] (52)
      SQ P81461
    2. Brazilian jackbean (Canavalia brasiliensis) [TaxId: 61861] [49903] (1)
  2. Legume lectin [49904]
    1. Garden pea (Pisum sativum) [TaxId: 3888] [49905] (6)
      two-chain protein resulted from a single-chain precursor
    2. Common lentil (Lens culinaris) [TaxId: 3864] [49906] (4)
      two-chain protein resulted from a single-chain precursor
    3. West-central african legume (Griffonia simplicifolia) [TaxId: 3850] [49907] (3)
    4. Griffonia simplicifolia, lectin I-b4 [TaxId: 3850] [69235] (2)
    5. Coral tree (Erythrina corallodendron) [TaxId: 3843] [49908] (8)
      SQ P16404
    6. Cockspur coral tree (Erythrina crista-galli) [TaxId: 49817] [74903] (5)
      SQ Q6YD91
    7. Winged bean (Psophocarpus tetragonolobus), basic agglutinin [TaxId: 3891] [49909] (50)
    8. Winged bean (Psophocarpus tetragonolobus), acidic lectin [TaxId: 3891] [63728] (2)
    9. Lathyrus ochrus, isolectin I [TaxId: 3858] [49910] (7)
    10. Lathyrus ochrus, isolectin II [TaxId: 3858] [49911] (2)
    11. Peanut (Arachis hypogaea) [TaxId: 3818] [49912] (44)
      SQ P02872 24-255
    12. Soybean (Glycine max) [TaxId: 3847] [49913] (5)
    13. Field bean (Dolichos lablab), Fril [TaxId: 35936] [49914] (1)
      a legume lectin that delays hematopoietic progenitor maturation
    14. Horse gram (Dolichos biflorus), different isoforms [TaxId: 3840] [49915] (5)
    15. Mucana (Dioclea grandiflora) [TaxId: 3837] [49916] (1)
      natural circle permutation resulting from a post-translational modification of precursor
    16. Duke (Dioclea guianensis) [TaxId: 99571] [63729] (2)
      natural circle permutation resulting from a post-translational modification of precursor
    17. Cratylia mollis, isoform 1 [TaxId: 252530] [101633] (1)
      natural circle permutation resulting from a post-translational modification of precursor
    18. Furze (Ulex europaeus), UEA-I [TaxId: 3902] [49917] (2)
    19. Furze (Ulex europaeus), UEA-II [TaxId: 3902] [49918] (5)
    20. Bloodwood tree (Pterocarpus angolensis) [TaxId: 182271] [82032] (51)
    21. Maackia amurensis, leukoagglutinin [TaxId: 37501] [49919] (1)
    22. Black locust (Robinia pseudoacacia) [TaxId: 35938] [63730] (2)
    23. Hairy vetch (Vicia villosa), isolectin b4 [TaxId: 3911] [82033] (1)
  3. Phytohemagglutinin-L, PHA-L, also arcelin [49920]
    single-chain subunit has "generic" topology
    1. Kidney bean (Phaseolus vulgaris) [TaxId: 3885] [49921] (4)
    2. Kidney bean (Phaseolus vulgaris), G02771, arcelin-5a [TaxId: 3885] [49922] (1)
  4. alpha-Amylase inhibitor [49923]
    1. Kidney bean (Phaseolus vulgaris) [TaxId: 3885] [49924] (1)
2. Lectin leg-like [74904] (3)
  mammalian protein related to legume lectins
  1. Carbohydrate-recognition domain of P58/ERGIC-53 [74905]
    1. Rat (Rattus norvegicus) [TaxId: 10116] [74906] (2)
  2. Emp47p N-terminal domain [141146]
    1. Baker's yeast (Saccharomyces cerevisiae) [TaxId: 4932] [141147] (8)
      SQ P43555 35-255! SQ P43555 36-259
  3. Emp46p N-terminal domain [141148]
    1. Baker's yeast (Saccharomyces cerevisiae) [TaxId: 4932] [141149] (6)
      SQ Q12396 54-271! SQ Q12396 55-272
3. Glycosyl hydrolases family 16 [49925] (8)
  Pfam 00722
  beta-Glucanase-like
  1. Bacillus 1-3,1-4-beta-glucanase [49926]
    1. Bacillus licheniformis [TaxId: 1402] [49927] (1)
    2. synthetic, hybrid between Bacillus amyloliquefaciens and Bacillus macerans proteins [49928] (3)
    3. Bacillus macerans [TaxId: 44252] [49929] (6)
    4. Fibrobacter succinogenes [TaxId: 833] [89270] (3)
      a natural circularly permuted protein
  2. kappa-Carrageenase, catalytic [49930]
    1,3-alpha-1,4-beta-D-galactose-4-sulfate-3,6-anhydro-D-galactose 4 galactohydrolase
    1. Pseudoalteromonas carrageenovora [TaxId: 227] [49931] (1)
  3. Xyloglucan endotransglycosylase [101634]
    1. European aspen (Populus tremula) [TaxId: 113636] [101635] (2)
  4. beta-Agarase A [101636]
    1. Zobellia galactanivorans [TaxId: 63186] [101637] (3)
  5. GlcNAc-alpha-1,4-Gal-releasing endo-beta-galactosidase, GngC, catalytic domain [117134]
    1. Clostridium perfringens [TaxId: 1502] [117135] (1)
      SQ Q934G8 17-420
4. Galectin (animal S-lectin) [49932] (11)
  1. Galectin-1 [100925]
    1. Cow (Bos taurus) [TaxId: 9913] [49934] (4)
    2. Human (Homo sapiens) [TaxId: 9606] [101638] (6)
      SQ P09382
    3. Chicken (Gallus gallus) [TaxId: 9031] [49936] (1)
      galectin-1 homologue CG-16
    4. Toad (Bufo arenarum) [TaxId: 38577] [49937] (2)
  2. Galectin-7 [100926]
    1. Human (Homo sapiens) [TaxId: 9606] [49935] (5)
  3. S-lac lectin, L-14-II [100927]
    1. Human (Homo sapiens) [TaxId: 9606] [100928] (1)
  4. Charcot-Leyden crystal (CLC) protein [49938]
    1. Human (Homo sapiens) [TaxId: 9606] [49939] (4)
  5. Galectin-2 [101639]
    1. Inky cap fungus (Coprinopsis cinerea) [TaxId: 5346] [101640] (6)
  6. Galectin-3 CRD [49940]
    1. Human (Homo sapiens) [TaxId: 9606] [49941] (6)
  7. Congerin I [49942]
    1. Conger eel (Conger myriaster) [TaxId: 7943] [49943] (2)
  8. Congerin II [82034]
    1. Conger eel (Conger myriaster) [TaxId: 7943] [82035] (4)
5. Laminin G-like module [49944] (7)
  1. Sex hormone-binding globulin [49945]
    1. Human (Homo sapiens) [TaxId: 9606] [49946] (9)
  2. Laminin alpha2 chain [49947]
    1. Mouse (Mus musculus) [TaxId: 10090] [49948] (3)
  3. Ligand-binding domain of neurexin 1beta [49949]
    1. Rat (Rattus norvegicus) [TaxId: 10116] [49950] (16)
    2. Homo sapiens [TaxId: 9606] [158985] (2)
  4. Growth-arrest-specific protein Gas6 [82036]
    1. Human (Homo sapiens) [TaxId: 9606] [82037] (1)
  5. Agrin [101641]
    alternative splicing
    1. Chicken (Gallus gallus) [TaxId: 9031] [101642] (4)
  6. Thrombospondin 1 N-terminal domain [141150]
    1. Human (Homo sapiens) [TaxId: 9606] [141151] (8)
      SQ P07996 28-233! SQ P07996 29-233
6. Thrombospondin C-terminal domain [101643] (1)
  Pfam 05735
  1. Thrombospondin C-terminal domain [101644]
    1. Human (Homo sapiens) [TaxId: 9606] [101645] (1)
7. Pentraxin (pentaxin) [49951] (2)
  1. Serum amyloid P component (SAP) [49952]
    1. Human (Homo sapiens) [TaxId: 9606] [49953] (38)
  2. C-reactive protein (CRP) [49954]
    1. Human (Homo sapiens) [TaxId: 9606] [49955] (3)
8. Calnexin/calreticulin [69236] (1)
  1. Calnexin [69237]
    1. Dog (Canis familiaris) [TaxId: 9615] [69238] (1)
9. vp4 sialic acid binding domain [74907] (1)
  1. vp4 sialic acid binding domain [74908]
    1. Rhesus rotavirus [TaxId: 10969] [74909] (4)
10. Hypothetical protein YesU [101646] (1)
  1. Hypothetical protein YesU [101647]
    1. Bacillus subtilis [TaxId: 1423] [101648] (1)
11. Alginate lyase [101649] (3)
  members have same function and similar structures but low sequence similarity
  1. Alginate lyase [101650]
    1. Alteromonas sp. [TaxId: 232] [101651] (1)
  2. Alginate lyase PA1167 [110138]
    1. Pseudomonas aeruginosa [TaxId: 287] [110139] (1)
      SQ Q9I4H0
  3. Polyguluronate lyase [110140]
    1. Corynebacterium sp. ALY-1 [TaxId: 101519] [110141] (1)
      SQ Q9RB42
12. Clostridium neurotoxins, the second last domain [49956] (3)
  1. Tetanus neurotoxin [49957]
    1. Clostridium tetani [TaxId: 1513] [49958] (10)
  2. Botulinum neurotoxin [49959]
    1. Clostridium botulinum, serotype A [TaxId: 1491] [49960] (1)
    2. Clostridium botulinum, serotype B [TaxId: 1491] [49961] (17)
13. Exotoxin A, N-terminal domain [49962] (1)
  1. Exotoxin A, N-terminal domain [49963]
    1. Pseudomonas aeruginosa [TaxId: 287] [49964] (2)
14. Vibrio cholerae sialidase, N-terminal and insertion domains [49965] (1)
  1. Vibrio cholerae sialidase, N-terminal and insertion domains [49966]
    both domains have this fold
    rest of protein is beta-propeller of six sheets
    1. Vibrio cholerae [TaxId: 666] [49967] (3)
      SQ P37060
15. Leech intramolecular trans-sialidase, N-terminal domain [49968] (1)
  1. Leech intramolecular trans-sialidase, N-terminal domain [49969]
    1. North american leech (Macrobdella decora) [TaxId: 6405] [49970] (5)
16. Trypanosoma sialidase, C-terminal domain [82038] (2)
  1. Trypanosoma sialidase, C-terminal domain [82039]
    1. Trypanosoma rangeli [TaxId: 5698] [82040] (10)
      SQ O44049 20-653
    2. Parasitic flagellate protozoan (Trypanosoma cruzi) [TaxId: 5693] [89271] (12)
      SQ Q26966
17. Glycosyl hydrolase family 7 catalytic core [49971] (6)
  contains many insertions in the common fold
  1. Cellobiohydrolase I (cellulase, Endoglucanase I, CBH1) [68900]
    1. Trichoderma reesei, Cel7A [TaxId: 51453] [68898] (13)
    2. Trichoderma reesei, Endoglucanase I [TaxId: 51453] [68899] (1)
    3. Fusarium oxysporum [TaxId: 5507] [49976] (4)
    4. Humicola insolens, Cel7b [TaxId: 34413] [49977] (6)
    5. Phanerochaete chrysosporium, Cel7d [TaxId: 5306] [69239] (5)
    6. Talaromyces emersonii [TaxId: 68825] [117136] (1)
      SQ Q8TFL9
18. Glycosyl hydrolases family 32 C-terminal domain [101652] (2)
  Pfam 08244
  flat sheet beta-sandwich lacking the characteristic beta-bulge in the C-terminal strand
  1. Beta-fructosidase (invertase), C-terminal domain [101653]
    1. Thermotoga maritima [TaxId: 2336] [101654] (7)
  2. Exo-inulinase [117137]
    1. Aspergillus awamori [TaxId: 105351] [117138] (3)
      SQ Q96TU3 20-536
19. Xylanase/endoglucanase 11/12 [49978] (24)
  1. Xylanase II [49979]
    Partial overlap with common fold and the active sites of the other endoglucanases
    1. Bacillus circulans [TaxId: 1397] [49980] (10)
    2. Bacillus subtilis [TaxId: 1423] [49981] (7)
    3. Bacillus agaradhaerens [TaxId: 76935] [49982] (4)
    4. Bacillus subtilis, B230 [TaxId: 1423] [74910] (1)
    5. Streptomyces sp. s38, xyl1 [TaxId: 181109] [69240] (1)
    6. Trichoderma harzianum [TaxId: 5544] [49983] (1)
    7. Trichoderma reesei, xynI [TaxId: 51453] [49984] (1)
    8. Trichoderma reesei, xynII [TaxId: 51453] [49985] (10)
    9. Thermomyces lanuginosus [TaxId: 5541] [49986] (1)
    10. Aspergillus niger [TaxId: 5061] [49987] (1)
    11. Aspergillus kawachii [TaxId: 40384] [49988] (2)
      SQ P55328 29-210 # 100% sequence identity; Aspergillus awamori TaxID: 105351
    12. Paecilomyces variotii, Bainier 1907 [TaxId: 45996] [49989] (1)
    13. Dictyoglomus thermophilum [TaxId: 14] [49990] (1)
    14. Chaetomium thermophilum [TaxId: 209285] [89272] (3)
      endoxylanase 11a
    15. Nonomuraea flexuosa [TaxId: 103836] [89273] (1)
    16. Penicillium funiculosum [TaxId: 28572] [110142] (1)
      SQ Q9HFH0
    17. Trichoderma longibrachiatum [TaxId: 5548] [158986] (1)
  2. Family 12 endo-1,4-beta-glucanase (cellulase) catalytic domain [49991]
    1. Streptomyces lividans, CelB2 [TaxId: 1916] [49992] (2)
    2. Streptomyces sp. 11ag8 [TaxId: 133452] [89274] (1)
    3. Rhodothermus marinus [TaxId: 29549] [89275] (7)
    4. Trichoderma reesei, Cel12A [TaxId: 51453] [63731] (3)
    5. Humicola grisea [TaxId: 5527] [101655] (5)
      SQ Q8NJY3 31-254
    6. Hypocrea schweinitzii [TaxId: 36924] [89276] (1)
    7. Aspergillus niger [TaxId: 5061] [82041] (2)
20. Peptidase A4 [101656] (2)
  circular permutation of the canonical fold
  1. Scytalidopepsin B [101657]
    1. Fungus (Scytalidium lignicola) [TaxId: 5539] [101658] (5)
  2. Aspergillopepsin II [141152]
    1. Aspergillus niger [TaxId: 5061] [141153] (1)
      SQ P24665 60-91,112-282
21. Alpha-L-arabinofuranosidase B, N-terminal domain [110143] (1)
  1. Alpha-L-arabinofuranosidase B, N-terminal domain [110144]
    1. Aspergillus kawachii [TaxId: 40384] [110145] (4)
      SQ Q8NK89 19-499
22. SPRY domain [141154] (5)
  Pfam 00622
  1. LD34464p [141155]
    1. Fruit fly (Drosophila melanogaster) [TaxId: 7227] [141156] (1)
      SQ Q7JUY1 103-319
      Cg2944-pf, isoform f
  2. Similar to Ret finger protein-like 1 [141157]
    1. Human (Homo sapiens) [TaxId: 9606] [141158] (4)
  3. SPRY domain-containing SOCS box protein 2 [141159]
    1. Mouse (Mus musculus) [TaxId: 10090] [141160] (1)
      SQ O88838 12-224
  4. 52 kDa Ro protein [158987]
    1. Human (Homo sapiens) [TaxId: 9606] [158988] (2)
      SQ P19474 287-465
  5. Cg2944-PF (gus) [158989]
    isoform F
    1. Fruit fly (Drosophila melanogaster) [TaxId: 7227] [158990] (2)
      SQ A1Z6E2 31-234
23. Beta-D-xylosidase C-terminal domain-like [141161] (4)
  1. Beta-D-xylosidase C-terminal domain [141162]
    1. Bacillus subtilis [TaxId: 1423] [141163] (4)
      SQ P94489 325-533
    2. Clostridium acetobutylicum [TaxId: 1488] [141164] (8)
      SQ Q97DM1 323-532
    3. Geobacillus stearothermophilus [TaxId: 1422] [141165] (16)
      SQ Q68HB3 325-535
    4. Bacillus halodurans [TaxId: 86665] [141166] (2)
      SQ Q9K6P5 321-525
24. SO2946-like [141167] (1)
  1. Hypothetical protein SO2946 [141168]
    1. Shewanella oneidensis [TaxId: 70863] [141169] (3)
      SQ Q8ED25 24-262
25. MAM domain [141170] (1)
  Pfam 00629
  1. Receptor-type tyrosine-protein phosphatase mu [141171]
    1. Human (Homo sapiens) [TaxId: 9606] [141172] (1)
      SQ P28827 21-183