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Information on EC 3.2.1.39 - glucan endo-1,3-beta-D-glucosidase and Organism(s) Hordeum vulgare and UniProt Accession Q02126
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EC Tree
3.2.1.39 glucan endo-1,3-beta-D-glucosidaseIUBMB Comments
Different from EC 3.2.1.6 endo-1,3(4)-beta-glucanase. Very limited action on mixed-link (1->3,1->4)-beta-D-glucans. Hydrolyses laminarin, paramylon and pachyman.
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Word Map
- 3.2.1.39
- chitinase
- glucans
- barley
- beta-glucans
-
pathogenesis-related
- polysaccharide
- cellulase
- beta-1,3-glucans
- xylanase
- trichoderma
- elicitors
- chitin
- phytophthora
-
biocontrol
- callose
- lichenan
- solani
-
mannoproteins
- rhizoctonia
-
transglycosylation
-
defense-related
-
thaumatin-like
-
zymolyase
-
digesta
-
mycoparasitism
- harzianum
- laminaribiose
-
mixed-linkage
- circulans
- capsici
-
hemicellulase
-
fibrobacter
- gentiobiose
- curdlan
- digitata
-
carbohydrases
-
laminaria
- pectinase
-
neurexins
- pharmacology
- medicine
- synthesis
- food industry
- biotechnology
- agriculture
- analysis
The taxonomic range for the selected organisms is: Hordeum vulgare
The expected taxonomic range for this enzyme is: Eukaryota, Bacteria, Archaea
The expected taxonomic range for this enzyme is: Eukaryota, Bacteria, Archaea
Synonyms
beta-1,3-glucanase, beta-glucanase, glud2, laminarinase, 1,3-beta-glucanase, endo-beta-1,3-glucanase, exo-beta-1,3-glucanase, beta-1,3 glucanase, callase, beta-1,3-endoglucanase, 
more
topSYNONYM 
ORGANISM
UNIPROT
COMMENTARY 
LITERATURE
(1->3)-beta-glucan endohydrolase
-
-
-
-
(1->3)-beta-glucan endohydrolase BGN13.1
-
-
-
-
(1->3)-beta-glucan endohydrolase GI
-
-
-
-
(1->3)-beta-glucan endohydrolase GII
-
-
-
-
(1->3)-beta-glucan endohydrolase GIII
-
-
-
-
(1->3)-beta-glucan endohydrolase GIV
-
-
-
-
(1->3)-beta-glucan endohydrolase GV
-
-
-
-
(1->3)-beta-glucan endohydrolase GVI
-
-
-
-
(1->3)-beta-glucanase
-
-
-
-
(1->3)-beta-glucanase A1
-
-
-
-
(1->3)-beta-glucanase BGN13.1
-
-
-
-
(1->3)-beta-glucanase isoenzyme GI
-
-
-
-
(1->3)-beta-glucanase isoenzyme GII
-
-
-
-
(1->3)-beta-glucanase isoenzyme GIII
-
-
-
-
(1->3)-beta-glucanase isoenzyme GIV
-
-
-
-
(1->3)-beta-glucanase isoenzyme GV
-
-
-
-
(1->3)-beta-glucanase isoenzyme GVI
-
-
-
-
(13)-beta-glucan 3-glucanohydrolase
-
-
-
-
(13)-beta-glucan endohydrolase
-
-
-
-
1,3-beta-glucan 3-glucanohydrolase
-
-
-
-
Acidic beta-1,3-glucanase
-
-
-
-
Anther-specific protein A6
-
-
-
-
Basic beta-1,3-endoglucanase BGN13.1
-
-
-
-
Basic beta-1,3-glucanase
-
-
-
-
Beta-1,3-endoglucanase GI
-
-
-
-
Beta-1,3-endoglucanase GII
-
-
-
-
Beta-1,3-endoglucanase GIII
-
-
-
-
Beta-1,3-endoglucanase GIV
-
-
-
-
Beta-1,3-endoglucanase GV
-
-
-
-
Beta-1,3-endoglucanase GVI
-
-
-
-
Beta-1,3-endoglucanase, basic
-
-
-
-
beta-1,3-glucanase
-
-
-
-
callase
-
-
-
-
endo-(1,3)-beta-D-glucanase
-
-
-
-
endo-(13)-beta-D-glucanase
-
-
-
-
endo-1,3-beta-D-glucanase
-
-
-
-
endo-1,3-beta-glucanase
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-
-
-
endo-1,3-beta-glucosidase
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-
-
-
endo-1,3-glucanase
-
-
-
-
glucan endo-1,3-beta-glucosidase
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-
-
-
Glucanase GLA
-
-
-
-
Glucanase GLB
-
-
-
-
kitalase
-
-
-
-
laminaranase
-
-
-
-
laminarinase
-
-
-
-
oligo-1,3-glucosidase
-
-
-
-
PpGns1
-
-
-
-
PR-2B
-
-
-
-
PR-35
-
-
-
-
PR-36
-
-
-
-
PR-37
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-
-
-
REACTION TYPE
ORGANISM
UNIPROT
COMMENTARY
LITERATURE
hydrolysis of O-glycosyl bond
-
-
-
-
PATHWAY SOURCE
PATHWAYS
SYSTEMATIC NAME
IUBMB Comments
3-beta-D-glucan glucanohydrolase
Different from EC 3.2.1.6 endo-1,3(4)-beta-glucanase. Very limited action on mixed-link (1->3,1->4)-beta-D-glucans. Hydrolyses laminarin, paramylon and pachyman.
CAS REGISTRY NUMBER
COMMENTARY
9025-37-0
-
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
O-carboxymethyl-(1,3:1,6)-beta-D-glucan + H2O
?
-
from yeast, low activity
-
?
laminarin + H2O
D-glucose + ?
-
functional opportunities to inhibit the advance of pathogenic fungi
-
?
laminarin + H2O
D-glucose + ?
-
major products are glucose, laminaribiose, laminaritriose, laminaritetraose and higher liminarioligosaccharides
-
?
laminarin + H2O
D-glucose + ?
-
highest rates from Laminaria digitata, major products are laminaribiose and laminaritriose for isoforms GII and GIII, GI yields predominantly (1-3)-beta-D-oligoglucosides greater than 4 units
-
?
NATURAL SUBSTRATE
NATURAL 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
ACTIVATING COMPOUND
ORGANISM
UNIPROT
COMMENTARY
LITERATURE
IMAGE
additional information
enzyme is upregulated in Russian wheat aphid-infested tissue
-
additional information
-
enzyme is upregulated in Russian wheat aphid-infested tissue
-
KM VALUE [mM]
SUBSTRATE
ORGANISM
UNIPROT
COMMENTARY
LITERATURE
IMAGE
SPECIFIC ACTIVITY [µmol/min/mg]
ORGANISM
UNIPROT
COMMENTARY
LITERATURE
pH OPTIMUM
ORGANISM
UNIPROT
COMMENTARY
LITERATURE
4.8
pH RANGE
ORGANISM
UNIPROT
COMMENTARY
LITERATURE
ORGANISM
COMMENTARY
LITERATURE
UNIPROT
SEQUENCE DB
SOURCE
SOURCE TISSUE
ORGANISM
UNIPROT
COMMENTARY
LITERATURE
SOURCE
LOCALIZATION
ORGANISM
UNIPROT
COMMENTARY
GeneOntology No.
LITERATURE
SOURCE
UNIPROT
ENTRY NAME
ORGANISM
NO. OF AA
NO. OF TRANSM. HELICES
MOLECULAR WEIGHT[Da]
SOURCE
SEQUENCE
LOCALIZATION PREDICTION
The reliability class of the localization prediction ranges from 1 (very reliable) to 5 (not reliable).
The reliability class of the localization prediction ranges from 1 (very reliable) to 5 (not reliable). E13C_HORVU
330
1
34887
Swiss-Prot
Secretory Pathway (Reliability: 1)
MOLECULAR WEIGHT
ORGANISM
UNIPROT
COMMENTARY
LITERATURE
32000
SUBUNIT
ORGANISM
UNIPROT
COMMENTARY
LITERATURE
POSTTRANSLATIONAL MODIFICATION
ORGANISM
UNIPROT
COMMENTARY
LITERATURE
PROTEIN VARIANTS
ORGANISM
UNIPROT
COMMENTARY
LITERATURE
E231A
-
no enzymic activity with laminarin, in presence of sodium formate, recovery of 75% of activitiy compared to wild type, with substrate alpha-laminaribiosyl fluoride, polymerization to insoluble, crystalline (1,3)-beta-D-glucans
E231G
-
no enzymic activity with laminarin, in presence of sodium formate, recovery of 75% of activitiy compared to wild type, with substrate alpha-laminaribiosyl fluoride, polymerization to insoluble, crystalline (1,3)-beta-D-glucans
E231S
-
no enzymic activity with laminarin, with substrate alpha-laminaribiosyl fluoride, polymerization to insoluble, crystalline (1,3)-beta-D-glucans
pH STABILITY
ORGANISM
UNIPROT
COMMENTARY
LITERATURE
STORAGE STABILITY
ORGANISM
UNIPROT
LITERATURE
PURIFICATION (Commentary)
ORGANISM
UNIPROT
LITERATURE
REF.
AUTHORS
TITLE
JOURNAL
VOL.
PAGES
YEAR
ORGANISM (UNIPROT)
PUBMED ID
SOURCE
Burton, R.A.; Qi, Z.; Roulin, S.; Fincher, G.B.
Gene structure and a possible cytoplasmatic location for (1-3)-beta-glucanase isoenzyme GI from barley (Hordeum vulgare)
Plant Sci.
135
39-47
1998
Hordeum vulgare
-
Hrmova, M.; Fincher, G.B.
Purification and properties of three (1-3)-beta-D-glucanase isoenzymes from young leaves of barley (Hordeum vulgare)
Biochem. J.
289
453-461
1993
Hordeum vulgare
Hoj, P.B.; Slade, A.M.; Wettenhall, R.E.H.; Fincher, G.B.
Isolation and characterization of a (1-3)-beta-glucan endohydrolase from germinating barley (Hordeum vulgare): amino acid sequence similarity with barley (1,3-1,4)-beta-glucanases
FEBS Lett.
230
67-71
1988
Hordeum vulgare
-
Hrmova, M.; Imai, T.; Rutten, S.J.; Fairweather, J.K.; Pelosi, L.; Bulone, V.; Driguez, H.; Fincher, G.B.
Mutated barley (1,3)-beta-D-glucan endohydrolases synthesize crystalline (1,3)-beta-D-glucans
J. Biol. Chem.
277
30102-30111
2002
Hordeum vulgare
Saheed, S.A.; Cierlik, I.; Larsson, K.A.; Delp, G.; Bradley, G.; Jonsson, L.M.; Botha, C.E.
Stronger induction of callose deposition in barley by Russian wheat aphid than bird cherry-oat aphid is not associated with differences in callose synthase or beta-1,3-glucanase transcript abundance
Physiol. Plant.
135
150-161
2009
Hordeum vulgare (Q02126), Hordeum vulgare
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