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Information on EC 3.2.1.74 - glucan 1,4-beta-glucosidase and Organism(s) Clostridium cellulovorans and UniProt Accession Q53EH2

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IUBMB Comments
Acts on 1,4-beta-D-glucans and related oligosaccharides. Cellobiose is hydrolysed, but very slowly.
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This record set is specific for:
Clostridium cellulovorans
UNIPROT: Q53EH2
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The taxonomic range for the selected organisms is: Clostridium cellulovorans
The expected taxonomic range for this enzyme is: Bacteria, Eukaryota
Synonyms
cellobiohydrolase, exoglucanase, cellobiase, glucohydrolase, carboxymethyl cellulase, cel9a, exocellulase, cel48a, endo-1,4-beta-d-glucanase, beta-1,4-glucosidase, more
SYNONYM
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
b-glucan glucohydrolase
extracellular non-cellulosomal beta-glucan glucohydrolase
family-1 glycosyl hydrolase
-
glucan 1,4-beta-glucosidase
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beta-1,4-beta-glucanase
-
-
-
-
beta-glucosidase
-
-
-
-
exo-1,4-beta-glucanase
-
-
-
-
exo-1,4-beta-glucosidase
-
-
-
-
exo-beta-1,4-glucanase
-
-
-
-
exo-beta-1,4-glucosidase
-
-
-
-
exocellulase
-
-
-
-
REACTION TYPE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
hydrolysis of O-glycosyl bond
-
hydrolysis of O-glycosyl bond
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-
-
-
PATHWAY SOURCE
PATHWAYS
SYSTEMATIC NAME
IUBMB Comments
4-beta-D-glucan glucohydrolase
Acts on 1,4-beta-D-glucans and related oligosaccharides. Cellobiose is hydrolysed, but very slowly.
CAS REGISTRY NUMBER
COMMENTARY hide
37288-52-1
-
SUBSTRATE
PRODUCT                       
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate) hide
LITERATURE
(Substrate)
COMMENTARY
(Product) hide
LITERATURE
(Product)
Reversibility
r=reversible
ir=irreversible
?=not specified
4-nitrophenyl beta-D-glucopyranose + H2O
4-nitrophenol + D-glucose
show the reaction diagram
-
-
-
?
cellobiose + H2O
2 D-glucose
show the reaction diagram
-
-
-
?
cellooligomers + H2O
D-glucose + ?
show the reaction diagram
-
-
-
?
cellotetraose + 3 H2O
4 D-glucose
show the reaction diagram
-
-
-
?
cellotriose + H2O
D-glucose + cellobiose
show the reaction diagram
-
-
-
?
o-nitrophenyl-beta-D-galactopyranose + H2O
o-nitrophenol + beta-D-galactopyranose
show the reaction diagram
-
-
-
?
p-nitrophenyl-beta-D-cellobiose + H2O
p-nitrophenol + cellobioside
show the reaction diagram
-
-
-
?
p-nitrophenyl-beta-D-fucopyranoside + H2O
p-nitrophenol + fucopyranose
show the reaction diagram
-
-
-
?
INHIBITOR
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
KM VALUE [mM]
SUBSTRATE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
SPECIFIC ACTIVITY [µmol/min/mg]
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
129
p-nitrophenyl-beta-D-fucopyranoside as substrate
133
p-nitrophenyl-beta-D-galactopyranoside as substrate
177
p-nitrophenyl-beta-D-glucopyranoside as substrate
pH OPTIMUM
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
pH RANGE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
TEMPERATURE OPTIMUM
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
ORGANISM
COMMENTARY hide
LITERATURE
UNIPROT
SEQUENCE DB
SOURCE
ATCC35296
Uniprot
Manually annotated by BRENDA team
UNIPROT
ENTRY NAME
ORGANISM
NO. OF AA
NO. OF TRANSM. HELICES
MOLECULAR WEIGHT[Da]
SOURCE
SEQUENCE
LOCALIZATION PREDICTION?
Q53EH2_CLOCL
445
0
51565
TrEMBL
-
MOLECULAR WEIGHT
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
pH STABILITY
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
5 - 8
when incubated at 40°C for 12 h with no substrate
677938
PURIFICATION (Commentary)
ORGANISM
UNIPROT
LITERATURE
Ni-nitrilotriacetatic acid agarose column chromatography
CLONED (Commentary)
ORGANISM
UNIPROT
LITERATURE
expression in Escherichia coli
REF.
AUTHORS
TITLE
JOURNAL
VOL.
PAGES
YEAR
ORGANISM (UNIPROT)
PUBMED ID
SOURCE
Kosugi, A.; Arai, T.; Doi, R.H.
Degradation of cellulosome-produced cello-oligosaccharides by an extracellular non-cellulosomal beta-glucan glucohydrolase, BglA, from Clostridium cellulovorans
Biochem. Biophys. Res. Commun.
349
20-23
2006
Clostridium cellulovorans (Q53EH2), Clostridium cellulovorans, Clostridium cellulovorans ATCC 35296 (Q53EH2)
Manually annotated by BRENDA team