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HAMAP rule MF_01574

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General rule information [?]

Accession MF_01574
Dates 2-NOV-2006 (Created)
17-FEB-2023 (Last updated, Version 16)
Name LacG
Scope
Bacteria; Bacillota
Bacteria; Fusobacteriota
Templates C7N8L9 (LACG_LEPBD); P11546 (LACG_LACLL); P11175 (LACG_STAAU): [Recover all]

Propagated annotation [?]


Identifier, protein and gene names [?]

Identifier
LACG
Protein name
RecName: Full=6-phospho-beta-galactosidase;
EC 3.2.1.85;
AltName: Full=Beta-D-phosphogalactoside galactohydrolase;
Short=PGALase;
AltName: Full=P-beta-Gal;
Short=PBG;
Gene name
lacG

Comments [?]

Catalytic activity RHEA:24568: a 6-phospho-beta-D-galactoside + H2O = an alcohol + D-galactose 6-phosphate
EC 3.2.1.85
Pathway Carbohydrate metabolism; lactose degradation; D-galactose 6-phosphate and beta-D-glucose from lactose 6-phosphate: step 1/1.
Similarity Belongs to the glycosyl hydrolase 1 family.

Keywords [?]


Gene Ontology [?]

GO:0033920; Molecular function: 6-phospho-beta-galactosidase activity.
GO:0005990; Biological process: lactose catabolic process.

Cross-references [?]

PROSITE PS00572; GLYCOSYL_HYDROL_F1_1; 1;
PS00653; GLYCOSYL_HYDROL_F1_2; 1;
Pfam PF00232; Glyco_hydro_1; 1;
PRINTS PR00131; GLHYDRLASE1; 1;
TIGRFAMs TIGR01233; LacG; 1;

Features [?]

From: LACG_LACLL (P11546)
Key     From     To       Description   Tag   Condition   FTGroup
ACT_SITE     160     160       Proton donor     E  
ACT_SITE     375     375       Nucleophile     E  
BINDING     19     19       /ligand="D-galactose 6-phosphate" /ligand_id="ChEBI:CHEBI:91004     Q  
BINDING     116     116       /ligand="D-galactose 6-phosphate" /ligand_id="ChEBI:CHEBI:91004     H  
BINDING     159     159       /ligand="D-galactose 6-phosphate" /ligand_id="ChEBI:CHEBI:91004     N  
BINDING     160     160       /ligand="D-galactose 6-phosphate" /ligand_id="ChEBI:CHEBI:91004     E  
BINDING     297     297       /ligand="D-galactose 6-phosphate" /ligand_id="ChEBI:CHEBI:91004     [ND]  
BINDING     428     428       /ligand="D-galactose 6-phosphate" /ligand_id="ChEBI:CHEBI:91004     [ST]  
BINDING     429     429       /ligand="D-galactose 6-phosphate" /ligand_id="ChEBI:CHEBI:91004     W  
BINDING     435     435       /ligand="D-galactose 6-phosphate" /ligand_id="ChEBI:CHEBI:91004     K  
BINDING     437     437       /ligand="D-galactose 6-phosphate" /ligand_id="ChEBI:CHEBI:91004     Y  

Additional information [?]

Size range 468-474 amino acids
Related rules None
Fusion None