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Information on EC 3.2.1.91 - cellulose 1,4-beta-cellobiosidase (non-reducing end)
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3.2.1.91 cellulose 1,4-beta-cellobiosidase (non-reducing end)Specify your search results
Word Map
- 3.2.1.91
- trichoderma
- reesei
- chitinase
- cellulases
- glucans
- xylanase
- cellobiohydrolases
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cellulolytic
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biocontrol
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pathogenesis-related
- laminarin
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cellulose-binding
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lignocellulosic
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saccharification
- chrysosporium
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cellulosic
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microcrystalline
- pectinase
- beta-1,3-glucans
- cbhii
- beta-glucans
- mannanase
- cellulomonas
- cellotriose
- phanerochaete
- hypocrea
- succinogenes
- humicola
- harzianum
- cellotetraose
- galactanase
- thermocellum
- lichenan
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mycoparasite
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fibrobacter
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thaumatin-like
- cellulosomal
- stover
- insolens
- biotechnology
- synthesis
- textile production
- paper production
- industry
- detergent
- degradation
- analysis
- biofuel production
The expected taxonomic range for this enzyme is: Bacteria, Eukaryota, Archaea
Synonyms
glucanase, cbh i, cbh ii, cellobiohydrolase ii, celluclast 1.5, cellobiosidase, cellobiohydrolase 1, cel7d, avicelase ii, cellobiohydrolase a, 
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SYNONYM 
ORGANISM
UNIPROT
COMMENTARY 
LITERATURE
1,4-beta-cellobiohydrolase
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1,4-beta-D-glucan cellobiohydrolase
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1,4-beta-glucan cellobiohydrolase
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1,4-beta-glucan cellobiosidase
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avicelase
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avicelase II
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beta-1,4-glucan cellobiohydrolase
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beta-1,4-glucan cellobiosylhydrolase
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Beta-1,4-glycanase CEX
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Beta-glucancellobiohydrolase
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C1 cellulase
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CBH
CBH 1
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Cbh C
CBH I
CBH Ib
CBH II
CBH IIb
CBH1
CBH2
Cbh6B
CbhA
CBHI
CBHII
CBP120
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-
-
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CBP95
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-
-
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CbsA
Cel5A
Cel6
Cel6A
Cel6B
Cel6C
Cel7A
CelA
CelAB
CelB
CelC7
CelK
cellobiohydrolase
cellobiohydrolase 1
cellobiohydrolase A
cellobiohydrolase class II
cellobiohydrolase I
cellobiohydrolase II
cellobiohydrolase, exo-
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cellobiosidase
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cellobiosidase, 1,4-beta-glucan
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Celluclast 1.5
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commercial preparation containing a broad spectrum of cellulolytic enzyme activities, most notably cellobiohydrolases and endo-1,4-alpha-glucanases
Cellulase
cellulase, C1
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Ex-1
Ex-4
exo-1,4-beta-D-glucan cellobiohydrolase
exo-beta-1,4-cellobiohydrolase
exo-beta-1,4-glucan cellobiohydrolase
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exo-cellobiohydrolase
exocellobiohydrolase
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exoglucanase
GH5
the GH5 domain is a cellobiohydrolase that lacks beta-glucosidase activity
Huta_2387
PSCase
SCO6546
THITE_126432
additional information
CBH II
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CBHI
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CBHII
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Cel6A
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CelAB
displays cellobiohydrolase and beta-1,4(3) endoglucanase catalytic activities
CelAB
displays cellobiohydrolase and beta-1,4(3) endoglucanase catalytic activities
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cellobiohydrolase
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cellobiohydrolase I
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cellobiohydrolase II
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exo-cellobiohydrolase
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exoglucanase
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additional information
the enzyme belongs to the glycosylhydrolase family GH6A
additional information
the enzyme belongs to the glycosylhydrolase family GH7A
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REACTION
REACTION DIAGRAM
COMMENTARY
ORGANISM
UNIPROT
LITERATURE
2 cellohexaose + 2 H2O = 2 cellotriose + cellotetraose + cellobiose
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2 cellohexaose + 2 H2O = 2 cellotriose + cellotetraose + cellobiose
progressivity and reaction mechanism of Cel7A
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2 cellohexaose + 2 H2O = 2 cellotriose + cellotetraose + cellobiose
exocellulase Cel6B acts by an inverting hydrolysis mechanism, that involves a proton-transferring network to carry out the catalytic base function
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2 cellohexaose + 2 H2O = 2 cellotriose + cellotetraose + cellobiose
progressivity and reaction mechanism of Cel7A
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REACTION TYPE
ORGANISM
UNIPROT
COMMENTARY
LITERATURE
hydrolysis of O-glycosyl bond
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PATHWAY SOURCE
PATHWAYS
BRENDA
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SYSTEMATIC NAME
IUBMB Comments
4-beta-D-glucan cellobiohydrolase (non-reducing end)
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CAS REGISTRY NUMBER
COMMENTARY
37329-65-0
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SUBSTRATE
PRODUCT
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate)
(Substrate)
LITERATURE
(Substrate)
(Substrate)
COMMENTARY
(Product)
(Product)
LITERATURE
(Product)
(Product)
Reversibility
r=reversible
ir=irreversible
?=not specified
r=reversible
ir=irreversible
?=not specified
2,4-dinitrophenyl cellobiose + H2O
2,4-dinitrophenol + cellobiose
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?
2-chloro-4-nitrophenyl-beta-D-cellotrioside + H2O
2-chloro-4-nitrophenol + ?
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?
4-methylumbelliferyl beta-cellobioside + H2O
4-methylumbelliferol + cellobiose
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substrate binding analysis of wild-type enzyme and mutant D274A, mutant D274A binds 4-methylumbelliferyl beta-cellobioside to approximately the same extent as the wild-type, overview
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?
4-methylumbelliferyl beta-D-cellobioside + H2O
4-methylumbelliferol + beta-D-cellobiose
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?
4-methylumbelliferyl beta-D-cellobioside + H2O
4-methylumbelliferone + beta-D-cellobiose
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?
4-methylumbelliferyl beta-D-lactoside + H2O
4-methylumbelliferol + beta-D-lactose
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?
4-methylumbelliferyl-beta-D-cellobioside + H2O
4-methylumbelliferol + cellobiose
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?
4-methylumbelliferyl-beta-D-oligoglucosides + H2O
?
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enzyme preferentially cleaves the second or the fourth glycosidic bond, cleaves the second bond between putative sub-sites -2 and -1 or +1 and +2, cleaves the fourth bond between putative sub-sites -1 and +1
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?
4-nitrophenyl beta-cellobioside + H2O
4-nitrophenol + beta-cellobiose
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?
4-nitrophenyl beta-D-cellobioside + H2O
4-nitrophenol + D-cellobiose
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?
4-nitrophenyl beta-D-galactopyranoside + H2O
4-nitrophenol + D-galactopyranose
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0.26% activity compared to 4-nitrophenyl beta-D-cellobioside
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?
4-nitrophenyl beta-D-mannopyranoside + H2O
4-nitrophenol + D-mannopyranose
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0.64% activity compared to 4-nitrophenyl beta-D-cellobioside
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-
?
4-nitrophenyl beta-D-xylopyranoside + H2O
4-nitrophenol + D-xylopyranose
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0.64% activity compared to 4-nitrophenyl beta-D-cellobioside
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-
?
4-nitrophenyl beta-lactoside + H2O
4-nitrophenol + beta-lactose
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?
4-nitrophenyl cellopentaoside + H2O
4-nitrophenol + cellobiose + D-glucose
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?
4-nitrophenyl cellopentaoside + H2O
cellobiose + 4-nitrophenyl cellotrioside
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?
4-nitrophenyl cellotrioside + H2O
4-nitrophenol + cellobiose + D-glucose
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?
avicel + H2O
D-glucose + ?
microcrystalline cellulose, Avicel PH-101, at 2%
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?
beechwood xylan + H2O