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CATH Classification

Domain Context

CATH Clusters

Superfamily Galactose-binding domain-like
Functional Family Beta-galactosidase

Enzyme Information

3.2.1.23
Beta-galactosidase.
based on mapping to UniProt P00722
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)

P00722
BGAL_ECOLI
Escherichia coli K-12
Beta-galactosidase

PDB Structure

PDB 1F4H
External Links
Method X-RAY DIFFRACTION
Organism
Primary Citation
High resolution refinement of beta-galactosidase in a new crystal form reveals multiple metal-binding sites and provides a structural basis for alpha-complementation.
Juers, D.H., Jacobson, R.H., Wigley, D., Zhang, X.J., Huber, R.E., Tronrud, D.E., Matthews, B.W.
Protein Sci.
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