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3.2.1.39: glucan endo-1,3-beta-D-glucosidase

This is an abbreviated version!
For detailed information about glucan endo-1,3-beta-D-glucosidase, go to the full flat file.

Word Map on EC 3.2.1.39

Reaction

Laminariheptaose
+ 3 H2O =
laminaritriose
 + 2 laminaribiose

Synonyms

(1-3)-beta-D-glucan endohydrolase, (1-3)-beta-D-glucanase, (1-3)-beta-glucanase GI, (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-D-glucanase, 1,3-beta-glucan 3-glucanohydrolase, 1,3-beta-glucan hydrolase, 1,3-beta-glucanase, 1,3-beta-glucanase I, Acidic beta-1,3-glucanase, acidic endo-beta-1,3-glucanase, AkLam36, Anther-specific protein A6, Ban-Gluc, Basic beta-1,3-endoglucanase BGN13.1, Basic beta-1,3-glucanase, beta-(1-3)-glucanase, beta-1,3 glucanase, beta-1,3-D-glucanase, beta-1,3-endoglucanase, 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-glucan hydrolase, beta-1,3-glucanase, beta-1,3-glucanase I, beta-1,3-glucanase II, beta-glucanase, Bgl, Bgl2, Bgl64A, BglF, BglII, BglS27, Bglu50A, Bgt17AE158A, CaENG, callase, CC1G_04051, CcGluE, Cel17A, DEHA2G18766g, DEHA2G18766p, EGase1, EGase2, EGase3, endo-(1,3)-beta-D-glucanase, endo-(1-3)-beta-glucanase, endo-(13)-beta-D-glucanase, endo-1,3-beta-D-glucanase, endo-1,3-beta-glucanase, endo-1,3-beta-glucosidase, endo-1,3-glucanase, endo-1,3;4-beta-glucanase, endo-beta-1,3(4)-glucanase, endo-beta-1,3-D-glucanase, endo-beta-1,3-glucanase, endo-beta-1->3-glucanase, endo-type beta-1,3-glucanase, Endo23, Eng, eng1, ENG16A, Eng2, Eng2 protein, EngA, Engl1, exo-beta-1,3-glucanase, Fra e 9.01 allergen, Gbl2a, Gbl2b, Gbl2c, Gbl2d, Gbl2e, Gbl2f, Gbl3, Gfa, GH family 81 beta-1,3-glucanase, GLU, Glu1, GluA, GLUB20-2, glucan endo-1,3-beta-glucosidase, Glucanase GLA, Glucanase GLB, glucanase LIV, glucanase Lo, GLUD2, HdLam33, kitalase, LAM, Lam81A, LamA, laminaranase, laminarinase, Lic16A, lytic beta-(1-3)-glucanase I, lytic beta-(1-3)-glucanase II, Mo enzyme, More, oligo-1,3-glucosidase, OsGlu1, OsGlu2, PCEng2p, PfLamA, PpGns1, PR-2B, PR-35, PR-36, PR-37, Rv0315, SLam, SpsLamIV, TLam, TmLam, VIT_05s0077g01150, VIT_205s0077g01150, VIT_206s0061g00120, VIT_208s0007g06060, YlCrh1Sp, YlCrh2Sp, zerzaust, ZET, ZgLamA

ECTree

     3 Hydrolases
         3.2 Glycosylases
             3.2.1 Glycosidases, i.e. enzymes that hydrolyse O- and S-glycosyl compounds
                3.2.1.39 glucan endo-1,3-beta-D-glucosidase

Specific Activity

Specific Activity on EC 3.2.1.39 - glucan endo-1,3-beta-D-glucosidase

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SPECIFIC ACTIVITY [µmol/min/mg]
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
0.0025 - 0.015
-
activites of purified recombinant enzymes from different cultivars, overview
0.01
-
isoform GII
0.013
-
isoform GI
0.042
-
pH 5.0, 37°C
0.048
-
pH 4.0, 37°C
0.08
wild-type, substrate lichenan
0.095
-
crude extract
0.096
-
homogenate
0.114
-
pH 5.0, 37°C
0.115
wild-type, beta-1,3-glucanase activity, pH 5.0, 50°C
0.23
-
substrate lichenan, pH 6.2, 37°C
0.252
-
after DEAE anion exchange chromatography
0.26
-
more specific for compounds having beta-1,3-glucosidic linkages
0.285
Littorina kurila
-
-
0.5
-
beta-glucanase IV
0.71
-
substrate laminarin, pH 6.2, 37°C
0.86
-
substrate laminarioligosaccharide, pH 6.2, 37°C
0.945
-
after HIC chromatography
1.12
-
beta-glucanase I
1.16
-
substrate laminarihexaose, pH 6.2, 37°C
1.21
-
beta-glucanase V
1.85
pH 4.2, 37°C
1.89
-
for glucanase I
10.1
Flavobacterium dormitator
-
-
102.8
mutant lacking residues 72-75, substrate lichenan, 80°C
1087
wild-type, substrate laminarin, 80°C
11.1
wild-type, substrate lichenan, 40°C
115.7
126.8
wild-type, substrate laminarin, 40°C
141.4
mutant lacking residues 72-75, substrate laminarin, 40°C
1486
substrate barley beta-glucan, pH 6.0, 37°C
162.7
mutant enzyme T149A/G145D/A344V, at 37°C, using laminarin as the substrate
172
-
purified native enzyme
174
mutant C6A, substrate carboxymethylated curdlan
185
wild-type, substrate lichenan, 80°C
2.45
wild-type, transglycosylation activity, pH 5.0, 50°C
2.6
-
pH10.7-isoform
21.4
substrate lichenan, pH 6.0, 91°C
217
-
form L-2
220
-
pH 6.2, 30°C
236
purified recombinant enzyme, substrate laminarin
240.5
-
isoform GII
249
mutant lacking residues 72-75, substrate laminarin, 80°C
252
enzyme isolated from culture with aeration at 135 rev/min and stirring at 0.8 vvm, pH 5.6, 28°C
263.6
mutant lacking residues 72-75, substrate lichenan, 70°C
2680
substrate barley beta-glucan, pH 6.0, 60°C
2690
substrate laminarihexaose, pH 6.0, 37°C
281.5
-
isoform GI
286
-
37°C, pH 5.0
3.5
-
pH 4.5, 37°C
3.69
-
culture filtrate, at 50°C
3.9
-
crude enzyme
3094
substrate laminaripentaose, pH 6.0, 37°C
3273
substrate laminaritetraose, pH 6.0, 37°C
334.3
mutant lacking residues 72-75, substrate laminarin, 70°C
3349
-
purified YlCrh1S, using laminarin as substrate, at 30°C
340
substrate laminarin, pH 6.0, 60°C
3757
substrate laminaritriose, pH 6.0, 37°C
39.95
mutant E158A, beta-1,3-glucanase activity, pH 5.0, 50°C
4.1
-
lytic beta-(1-3)-glucanase I
4.4
purified native enzyme
40.5
-
isoform GIII
403
-
purified YlCrh2S, using laminarin as substrate, at 30°C
409.5
-
after 105fold purification
41.55
substrate beta-glucan, pH 6.0, 91°C
4480
pH 9.0, 30°C
48.1
substrate laminarin, pH 6.0, 91°C
48.5
-
after 13.1fold purification, at 50°C
484
wild-type, substrate carboxymethylated curdlan
49.1
wild type enzyme, at 37°C, using laminarin as the substrate
5.89
-
for glucanase II
51
-
form L-4
53 - 76
-
different isolates, pH and temperature not specified in the publication
549
-
pH 4.5, 40°C
6
-
after 65fold purification
659.3
wild-type, substrate laminarin, 70°C
68
purified enzyme
7.8
-
after gel filtration chromatography
70.3
mutant enzyme F160L, at 37°C, using laminarin as the substrate
8.47
-
native enzyme, pH 7.0, 25°C
80.6
mutant enzyme T149A/A344V, at 37°C, using laminarin as the substrate
82
mutant C6A, substrate carboxymethylated pachyman
9.1
-
pH 6.5, temperature not specified in the publication
9.62
-
beta-glucanase IIIB
90
wild-type, substrate laminarin
90.01
-
purified native enzyme, substrate laminarin, pH 6.0, 40°C
96.2
mutant enzyme G145D, at 37°C, using laminarin as the substrate
99
-
form L-1
additional information