| Class a: All alpha proteins [46456] (290 folds) |
| Fold a.102: alpha/alpha toroid [48207] (6 superfamilies) multihelical; up to seven alpha-hairpins are arranged in closed circular array; there may be sequence similarities between different superfamilies |
Superfamily a.102.1: Six-hairpin glycosidases [48208] (10 families) ![]() |
| Family a.102.1.2: Cellulases catalytic domain [48213] (12 proteins) |
| CelA cellulase [48214] (2 species) |
| Species Caldicellulosiruptor bescii [TaxId:31899] [256382] (2 PDB entries) |
| Species Clostridium thermocellum [TaxId:1515] [48215] (3 PDB entries) |
| CelD cellulase, C-terminal domain [48218] (1 species) the other, N-terminal, domain is immunoglobulin-like |
| Species Clostridium thermocellum [TaxId:1515] [48219] (1 PDB entry) |
| Cellulose 1,4-beta-cellobiosidase CbhA [101363] (1 species) |
| Species Clostridium thermocellum [TaxId:1515] [101364] (2 PDB entries) |
| Chitosanase [116987] (1 species) |
| Species Bacillus sp., strain k17 [TaxId:1409] [116988] (2 PDB entries) Uniprot Q9ALZ1 49-434 |
| Endo-1,4-beta-xylanase [89105] (1 species) cold-adapted family 8 xylanase |
| Species Pseudoalteromonas haloplanktis [TaxId:228] [89106] (8 PDB entries) |
| Endo-b-1,4-glucanase [81848] (1 species) |
| Species Termite (Nasutitermes takasagoensis) [TaxId:62960] [81849] (3 PDB entries) |
| Endo/exocellulase:cellobiose E-4, N-terminal domain [48216] (2 species) |
| Species Clostridium cellulolyticum, atcc 35319 [TaxId:1521] [89107] (4 PDB entries) endoglucanase 9G |
| Species Thermobifida fusca [TaxId:2021] [48217] (4 PDB entries) |
| Nonprocessive cellulase Cel9M [81846] (1 species) contains only the catalytic module, which interacts with the substrate |
| Species Clostridium cellulolyticum [TaxId:1521] [81847] (2 PDB entries) |
| Probable endoglucanase CmcAX [140786] (1 species) |
| Species Acetobacter xylinus [TaxId:28448] [140787] (1 PDB entry) Uniprot P37696 23-341 |
| Processive endocellulase CelF (Cel48F) [48220] (2 species) |
| Species Clostridium cellulolyticum [TaxId:1521] [48221] (9 PDB entries) |
| Species Clostridium thermocellum [TaxId:1515] [74765] (2 PDB entries) |
| Xylanase Y [140784] (1 species) |
| Species Bacillus halodurans [TaxId:86665] [140785] (7 PDB entries) Uniprot Q9KB30 6-381 |
| automated matches [196672] (8 species) not a true protein |
| Species Bacillus sp. [TaxId:1806516] [389941] (1 PDB entry) |
| Species Caldicellulosiruptor bescii [TaxId:521460] [196673] (5 PDB entries) |
| Species Caldicellulosiruptor sp. [TaxId:1387557] [368102] (1 PDB entry) |
| Species Komagataeibacter sucrofermentans [TaxId:1053551] [397790] (1 PDB entry) |
| Species Paenibacillus barcinonensis [TaxId:198119] [386243] (7 PDB entries) |
| Species Paenibacillus barengoltzii [TaxId:1235795] [361209] (1 PDB entry) |
| Species Ruminiclostridium thermocellum [TaxId:637887] [349073] (1 PDB entry) |
| Species Thermobifida fusca [TaxId:2021] [257783] (1 PDB entry) |
Timeline for Family a.102.1.2: Cellulases catalytic domain: