Class b: All beta proteins [48724] (180 folds) |
Fold b.1: Immunoglobulin-like beta-sandwich [48725] (33 superfamilies) sandwich; 7 strands in 2 sheets; greek-key some members of the fold have additional strands |
Superfamily b.1.18: E set domains [81296] (27 families) "Early" Ig-like fold families possibly related to the immunoglobulin and/or fibronectin type III superfamilies |
Family b.1.18.2: E-set domains of sugar-utilizing enzymes [81282] (21 proteins) domains of unknown function associated with different type of catalytic domains in a different sequential location subgroup of the larger IPT/TIG domain family |
1,4-alpha-glucan branching enzyme, N-terminal domain N [81962] (1 species) domain architecture similar to isoamylase |
Species Escherichia coli [TaxId:562] [81963] (1 PDB entry) |
Bacterial chitobiase (N-acetyl-beta-glucoseaminidase), C-terminal domain [49211] (1 species) rudiment form of Ig-like domain; follows the catalytic (beta/alpha)8-barrel domain; family 20 glycosyl hydrolases |
Species Serratia marcescens [TaxId:615] [49212] (4 PDB entries) |
Beta-1,4-mannanase domain 2 (postcatalytic) [141020] (1 species) |
Species Cellulomonas fimi [TaxId:1708] [141021] (2 PDB entries) Uniprot Q9XCV5 421-514 |
Beta-galactosidase [419186] (1 species) Pfam PF16355 inserted beta hairpin between strands 4 and 5 of canonical fold |
Species Streptococcus pneumoniae TIGR4 [TaxId:170187] [419697] (3 PDB entries) |
CelD cellulase, N-terminal domain [49231] (1 species) precedes the catalytic alpha6/alpha6 domain |
Species Clostridium thermocellum [TaxId:1515] [49232] (1 PDB entry) |
Cellulose 1,4-beta-cellobiosidase CbhA, precatalytic domain [101521] (1 species) |
Species Clostridium thermocellum [TaxId:1515] [101522] (2 PDB entries) |
Chitin-binding protein CBP21 [117045] (1 species) member of Pfam PF03067; elaborated fold with a large insertion between strands A and A' |
Species Serratia marcescens [TaxId:615] [117046] (3 PDB entries) Uniprot O83009 28-197 |
Chitinase A, N-terminal domain N [49233] (1 species) precedes the catalytic (beta/alpha)8-barrel domain |
Species Serratia marcescens [TaxId:615] [49234] (11 PDB entries) Uniprot P07254 24-563 |
Cyclomaltodextrin glycanotransferase, domain D [49215] (4 species) follows the starch-binding domain C; the catalytic domain A has (beta/alpha)8-barrel fold; family 13 glycosyl hydrolases |
Species Bacillus circulans, different strains [TaxId:1397] [49216] (36 PDB entries) |
Species Bacillus sp., strain 1011 [TaxId:1409] [49219] (8 PDB entries) Uniprot P05618 |
Species Bacillus stearothermophilus [TaxId:1422] [49217] (1 PDB entry) |
Species Thermoanaerobacterium thermosulfurigenes, EM1 [TaxId:33950] [49220] (4 PDB entries) |
Cyclomaltodextrinase, N-terminal domain [101523] (1 species) protein shares similar domain organization with maltogenic amylases but differs in the spatial arrangement of its domains |
Species Flavobacterium sp. 92 [TaxId:197856] [101524] (1 PDB entry) |
Five domain 'maltogenic' alpha-amylase (glucan 1,4-alpha-maltohydrolase), domain D [81280] (1 species) domain architecture similar to cyclomaltodextrin glycosylhydrolases |
Species Bacillus stearothermophilus [TaxId:1422] [81281] (2 PDB entries) |
Galactose oxidase, C-terminal domain [49209] (3 species) follows the catalytic seven-bladed beta-propeller domain |
Species Dactylium dendroides [TaxId:5132] [49210] (3 PDB entries) Uniprot Q01745 42-680 |
Species Fungus (Fusarium sp.) [TaxId:29916] [69164] (2 PDB entries) sequence identical to that of Dactylium dendroides |
Species Fusarium graminearum (Gibberella zeae) [TaxId:5518] [158881] (6 PDB entries) |
Glucans biosynthesis protein G (MdoG, OpgG), C-terminal domain [110054] (1 species) |
Species Escherichia coli [TaxId:562] [110055] (1 PDB entry) Uniprot P33136 23-511 |
Glucodextranase, domain B [101525] (1 species) |
Species Arthrobacter globiformis [TaxId:1665] [101526] (2 PDB entries) |
Glycosyltrehalose trehalohydrolase, N-terminal domain N [49224] (2 species) domain architecture similar to isoamylase |
Species Deinococcus radiodurans [TaxId:1299] [141019] (9 PDB entries) Uniprot Q9RX51 14-110 |
Species Sulfolobus solfataricus, km1 [TaxId:2287] [49225] (8 PDB entries) |
Hyaluronate lyase precatalytic domain [69167] (1 species) precedes the catalytic incomplete alpha5/alpha5 barrel a rudiment form of Ig-like domain |
Species Streptococcus agalactiae [TaxId:1311] [69168] (3 PDB entries) |
Isoamylase, N-terminal domain N [49226] (1 species) elaborated with a few large insertions in the common fold precedes the catalytic (beta/alpha)8-barrel domain, the domain architecture similar to maltogenic amylases |
Species Pseudomonas amyloderamosa [TaxId:32043] [49227] (1 PDB entry) |
Maltogenic amylase, N-terminal domain N [49221] (4 species) precedes the catalytic (beta/alpha)8-barrel domain |
Species Bacillus sp., cyclomaltodextrinase [TaxId:1409] [74842] (1 PDB entry) |
Species Thermoactinomyces vulgaris, TVAI [TaxId:2026] [74843] (8 PDB entries) |
Species Thermoactinomyces vulgaris, TVAII [TaxId:2026] [49223] (12 PDB entries) |
Species Thermus sp. [TaxId:275] [49222] (2 PDB entries) |
Neopullulanase, N-terminal domain [81960] (1 species) homologous to maltogenic amylase |
Species Bacillus stearothermophilus [TaxId:1422] [81961] (4 PDB entries) |
Pullulanase PulA [158883] (1 species) contains two E-set domains in tandem |
Species Klebsiella pneumoniae [TaxId:573] [158884] (6 PDB entries) Uniprot P07206 170-294! Uniprot P07206 295-409 |
Sialidase, linker domain [49237] (1 species) follows the catalytic six-bladed beta-propeller domain |
Species Micromonospora viridifaciens [TaxId:1881] [49238] (4 PDB entries) Uniprot Q02834 47-647 |
Timeline for Family b.1.18.2: E-set domains of sugar-utilizing enzymes: