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beta-galactosidase domain 4-containing protein
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). [1]. 8008071. Three-dimensional structure of beta-galactosidase from E. coli.. Jacobson RH, Zhang XJ, DuBose RF, Matthews BW;. Nature. 1994;369:761-766. (from Pfam)
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. (from Pfam)
glycoside hydrolase family 2 TIM barrel-domain containing protein
This family contains beta-galactosidase, beta-mannosidase and beta-glucuronidase activities. [1]. 8008071. Three-dimensional structure of beta-galactosidase from E. coli.. Jacobson RH, Zhang XJ, DuBose RF, Matthews BW;. Nature. 1994;369:761-766. (from Pfam)
sugar-binding domain-containing protein
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. [1]. 8008071. Three-dimensional structure of beta-galactosidase from E. coli.. Jacobson RH, Zhang XJ, DuBose RF, Matthews BW;. Nature. 1994;369:761-766. (from Pfam)
Glycosyl hydrolases family 2
beta-galactosidase
beta-galactosidase catalyzes the hydrolysis of terminal non-reducing beta-D-galactose residues in beta-D-galactosides
Hydrolyzes lactose disaccharide to galactose and glucose; converts lactose to allolactose which is the natural inducer of the lac operon
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