3BGA
Crystal structure of beta-galactosidase from Bacteroides thetaiotaomicron VPI-5482
Domain Annotation: ECOD Classification ECOD Database Homepage
Chains | Family Name | Domain Identifier | Architecture | Possible Homology | Homology | Topology | Family | Provenance Source (Version) |
---|---|---|---|---|---|---|---|---|
A | PF02837 | e3bgaA8 | A: beta sandwiches | X: jelly-roll | H: Galactose-binding domain-like (From Topology) | T: Galactose-binding domain-like | F: PF02837 | ECOD (1.6) |
A | PF00703 | e3bgaA10 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: PF00703 | ECOD (1.6) |
A | PF16353 | e3bgaA9 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: PF16353 | ECOD (1.6) |
A | PF02929 | e3bgaA7 | A: beta sandwiches | X: Glycosyl hydrolase domain-like | H: supersandwich (From Topology) | T: supersandwich | F: PF02929 | ECOD (1.6) |
A | PF02836 | e3bgaA6 | A: a/b barrels | X: TIM beta/alpha-barrel | H: TIM barrels (From Topology) | T: TIM barrels | F: PF02836 | ECOD (1.6) |
B | PF02837 | e3bgaB1 | A: beta sandwiches | X: jelly-roll | H: Galactose-binding domain-like (From Topology) | T: Galactose-binding domain-like | F: PF02837 | ECOD (1.6) |
B | PF00703 | e3bgaB2 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: PF00703 | ECOD (1.6) |
B | PF16353 | e3bgaB5 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: PF16353 | ECOD (1.6) |
B | PF02929 | e3bgaB3 | A: beta sandwiches | X: Glycosyl hydrolase domain-like | H: supersandwich (From Topology) | T: supersandwich | F: PF02929 | ECOD (1.6) |
B | PF02836 | e3bgaB4 | A: a/b barrels | X: TIM beta/alpha-barrel | H: TIM barrels (From Topology) | T: TIM barrels | F: PF02836 | ECOD (1.6) |
Domain Annotation: CATH CATH Database Homepage
Chain | Domain | Class | Architecture | Topology | Homology | Provenance Source (Version) |
---|---|---|---|---|---|---|
A | 2.60.120.260 | Mainly Beta | Sandwich | Jelly Rolls | Galactose-binding domain-like | CATH (4.3.0) |
A | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (4.3.0) |
A | 3.20.20.80 | Alpha Beta | Alpha-Beta Barrel | TIM Barrel | Glycosidases | CATH (4.3.0) |
A | 2.70.98.10 | Mainly Beta | Distorted Sandwich | Beta-galactosidase | Chain A, domain 5 | CATH (4.3.0) |
B | 2.60.120.260 | Mainly Beta | Sandwich | Jelly Rolls | Galactose-binding domain-like | CATH (4.3.0) |
B | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (4.3.0) |
B | 3.20.20.80 | Alpha Beta | Alpha-Beta Barrel | TIM Barrel | Glycosidases | CATH (4.3.0) |
B | 2.70.98.10 | Mainly Beta | Distorted Sandwich | Beta-galactosidase | Chain A, domain 5 | CATH (4.3.0) |
Protein Family Annotation Pfam Database Homepage
Chains | Accession | Name | Description | Comments | Source |
---|---|---|---|---|---|
PF02836 | Glycosyl hydrolases family 2, TIM barrel domain (Glyco_hydro_2_C) | Glycosyl hydrolases family 2, TIM barrel domain | This family contains beta-galactosidase, beta-mannosidase and beta-glucuronidase activities. | Domain | |
PF00703 | Glycosyl hydrolases family 2 (Glyco_hydro_2) | Glycosyl hydrolases family 2 | This family contains beta-galactosidase, beta-mannosidase and beta-glucuronidase activities. | Domain | |
PF02837 | Glycosyl hydrolases family 2, sugar binding domain (Glyco_hydro_2_N) | Glycosyl hydrolases family 2, sugar binding domain | This family contains beta-galactosidase, beta-mannosidase and beta-glucuronidase activities and has a jelly-roll fold. The domain binds the sugar moiety during the sugar-hydrolysis reaction. | Domain | |
PF16353 | Beta-galactosidase, domain 4 (LacZ_4) | Beta-galactosidase, domain 4 | This entry represents domain 4 found in beta-galactosidase [1] and it is organised in a jelly-roll type barrel (Rutkiewicz-Krotewicz M. et al. Crystals 2018, 8(1), 13, https://doi.org/10.3390/cryst8010013). | Domain | |
PF02929 | Beta galactosidase small chain (Bgal_small_N) | Beta galactosidase small chain | This domain comprises the small chain of dimeric beta-galactosidases EC:3.2.1.23. This domain is also found in single chain beta-galactosidase. | Domain |
Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage
InterPro: Protein Family Classification InterPro Database Homepage
Chains | Accession | Name | Type |
---|---|---|---|
IPR032312 | Beta-galactosidase, domain 4 | Domain | |
IPR017853 | Glycoside hydrolase superfamily | Homologous Superfamily | |
IPR006101 | Glycoside hydrolase, family 2 | Family | |
IPR004199 | Beta galactosidase small chain/ domain 5 | Domain | |
IPR008979 | Galactose-binding-like domain superfamily | Homologous Superfamily | |
IPR006102 | Glycoside hydrolase, family 2, immunoglobulin-like beta-sandwich | Domain | |
IPR036156 | Beta-Galactosidase/glucuronidase domain superfamily | Homologous Superfamily | |
IPR006104 | Glycosyl hydrolases family 2, sugar binding domain | Domain | |
IPR013783 | Immunoglobulin-like fold | Homologous Superfamily | |
IPR006103 | Glycoside hydrolase family 2, catalytic domain | Domain | |
IPR023230 | Glycoside hydrolase, family 2, conserved site | Conserved Site | |
IPR014718 | Glycoside hydrolase-type carbohydrate-binding | Homologous Superfamily | |
IPR011013 | Galactose mutarotase-like domain superfamily | Homologous Superfamily |