CATH Classification

Domain Context

CATH Clusters

Superfamily Golgi alpha-mannosidase II
Functional Family

Enzyme Information

3.2.1.23
Beta-galactosidase.
based on mapping to UniProt O69315
Hydrolysis of terminal non-reducing beta-D-galactose residues in beta-D- galactosides.
-!- Some enzymes in this group hydrolyze alpha-L-arabinosides; some animal enzymes also hydrolyze beta-D-fucosides and beta-D-glucosides (cf. EC 3.2.1.108).

UniProtKB Entries (1)

O69315
BGAL_THETH
Thermus thermophilus
Beta-galactosidase

PDB Structure

PDB 1KWK
External Links
Method X-RAY DIFFRACTION
Organism Escherichia
Primary Citation
Trimeric crystal structure of the glycoside hydrolase family 42 beta-galactosidase from Thermus thermophilus A4 and the structure of its complex with galactose.
Hidaka, M., Fushinobu, S., Ohtsu, N., Motoshima, H., Matsuzawa, H., Shoun, H., Wakagi, T.
J.Mol.Biol.