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HAMAP rule MF_01059

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General rule information [?]

Accession MF_01059
Dates 1-JUL-2003 (Created)
19-JAN-2024 (Last updated, Version 23)
Name Cyt_trehalase
Scope(s) Bacteria
Enterobacterales
Template(s) P62601 (TREF_ECOLI); [ Recover all ]
Triggered by HAMAP; MF_01059 (Get profile general information and statistics)

Propagated annotation [?]

Identifier, protein and gene names [?]

Identifier TREF
Protein name RecName: Full=Cytoplasmic trehalase;
                 EC=3.2.1.28;
AltName: Full=Alpha,alpha-trehalase;
AltName: Full=Alpha,alpha-trehalose glucohydrolase;
Gene name Name=treF;

Comments [?]

FUNCTIONHydrolyzes trehalose to glucose. Could be involved, in cells returning to low osmolarity conditions, in the utilization of the accumulated cytoplasmic trehalose, which was synthesized in response to high osmolarity.
CATALYTIC ACTIVITY Reaction=alpha,alpha-trehalose + H2O = alpha-D-glucose + beta-D- glucose; Xref=Rhea:RHEA:32675, ChEBI:CHEBI:15377, ChEBI:CHEBI:15903, ChEBI:CHEBI:16551, ChEBI:CHEBI:17925; EC=3.2.1.28;
PATHWAYGlycan degradation; trehalose degradation; D-glucose from alpha,alpha-trehalose: step 1/1.
SUBUNITMonomer.
SUBCELLULAR LOCATIONCytoplasm.
SIMILARITYBelongs to the glycosyl hydrolase 37 family.

Keywords [?]


Gene Ontology [?]

GO:0004555; Molecular function:alpha,alpha-trehalase activity
GO:0005993; Biological process:trehalose catabolic process
GO:0005737; Cellular component:cytoplasm

Cross-references [?]

Pfam PF01204; Trehalase; 1;
PRINTS PR00744; GLHYDRLASE37; 1;
PROSITE PS00927; TREHALASE_1; 1;
PROSITE PS00928; TREHALASE_2; 1;

Features [?]

From: TREF_ECOLI (P62601)
Key From To Description Tag Condition FTGroup
BINDING 175 176 /ligand="substrate" W-D
BINDING 221 223 /ligand="substrate" R-S-Q
BINDING 292 294 /ligand="substrate" R-D-E
ACT_SITE 326 326 /note="Proton donor/acceptor" D
ACT_SITE 509 509 /note="Proton donor/acceptor" E
BINDING 168 168 /ligand="substrate" R
BINDING 212 212 /ligand="substrate" N
BINDING 324 324 /ligand="substrate" G
BINDING 525 525 /ligand="substrate" E

Additional information [?]

Size range 515-580 amino acids
Related rules MF_01060
Fusion Nter: None Cter: None



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