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barley beta-glucan + H2O
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beta-glucan + H2O
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barley 1,3-1,4-beta glucan + H2O
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barley beta-glucan + H2O
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beta-1,3-1,4-glucan + H2O
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beta-D-glucan + H2O
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source of substrate: oat
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Glcbeta3Glcbeta-methylumbelliferone + H2O
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lichenin + H2O
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wheat arabinoxylan + H2O
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additional information
?
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lichenan + H2O
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barley beta-glucan + H2O
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barley beta-glucan + H2O
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lichenan + H2O
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additional information
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the enzyme catalyzes the specific hydrolysis of internal beta-1,4-glycosidic bonds adjacent to the 3-O-substituted glucose residues in mixed-linked beta-glucans. The Clostridium thermocellum enzyme exhibits a high specific activity towards barley beta-glucan and lichenan, but is not active towards laminarin, curdlan and cellulosic substrates
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?
additional information
?
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the enzyme catalyzes the specific hydrolysis of internal beta-1,4-glycosidic bonds adjacent to the 3-O-substituted glucose residues in mixed-linked beta-glucans. The Clostridium thermocellum enzyme exhibits a high specific activity towards barley beta-glucan and lichenan, but is not active towards laminarin, curdlan and cellulosic substrates
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additional information
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lichenases stringently catalyze endohydrolysis of the beta-1,4-glycoside bond adjacent to 3-O-substituted glucose residue in cereal beta-glucans and lichenan
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additional information
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lichenases stringently catalyze endohydrolysis of the beta-1,4-glycoside bond adjacent to 3-O-substituted glucose residue in cereal beta-glucans and lichenan
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additional information
?
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beta-1,3-1,4-glucanases or lichenases are enzymes that in a strictly specific manner hydrolyze beta-glucans of many cereal species and lichens containing beta-1,3 and beta-1,4 bonds
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additional information
?
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beta-1,3-1,4-glucanases or lichenases are enzymes that in a strictly specific manner hydrolyze beta-glucans of many cereal species and lichens containing beta-1,3 and beta-1,4 bonds
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beta-D-glucan + H2O
additional information
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beta-D-glucan from barley
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?
additional information
?
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no activity against beta-1,4- or beta-1,3 homopolymers of gluco- or manno-configured polysaccharides
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?
additional information
?
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lichenase hydrolyses only beta-1,4-linkages that are adjacent to beta-1,3-linkages in beta-glucans, mainly producing cellobiosyltriose and cellotriosyltetraose
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?
additional information
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no substrate: carboxymethyl cellulose, xylan from birch, soluble starch
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additional information
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no substrate: carboxymethyl cellulose, xylan from birch, soluble starch
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?
additional information
?
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lichenases stringently catalyze endohydrolysis of the beta-1,4-glycoside bond adjacent to 3-O-substituted glucose residue in cereal beta-glucans and lichenan
-
-
?
additional information
?
-
lichenases stringently catalyze endohydrolysis of the beta-1,4-glycoside bond adjacent to 3-O-substituted glucose residue in cereal beta-glucans and lichenan
-
-
?
additional information
?
-
beta-1,3-1,4-glucanases or lichenases are enzymes that in a strictly specific manner hydrolyze beta-glucans of many cereal species and lichens containing beta-1,3 and beta-1,4 bonds
-
-
?
additional information
?
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beta-1,3-1,4-glucanases or lichenases are enzymes that in a strictly specific manner hydrolyze beta-glucans of many cereal species and lichens containing beta-1,3 and beta-1,4 bonds
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?
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additional information
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construction of diverse enzyme truncation mutants for domain functional analysis, overview
additional information
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generation of transgenic Nicotiana tabacum plants expressing LicB from Clostridium thermocellum, no altered phenotype, overview. Expression of bacterial beta-1,3-1,4-glucanase gene exerts no significant influence on tobacco plant metabolism, while the expression of bacterial beta-1,3-glucanase affects plant metabolism only at early stages of growth and development. By contrast, the expression of bacterial beta-1,4-glucanase has a significant effect on transgenic tobacco plant metabolism
additional information
construction of a fusion gene, encoding beta-1,3-1,4-glucanase both from Bacillus amyloliquefaciens and Clostridium thermocellum, via end-to-end fusion and expression in Escherichia coli. The catalytic efficiency of the fusion enzyme for oat beta-glucan is 2.7- and 20fold higher than that of the parental Bacillus amyloliquefaciens and Clostridium thermocellum enzymes, respectively, and the fusion enzyme can retain more than 50% of activity following incubation at 80°C for 30 min, whereas the residual activities of Bacillus amyloliquefaciens and Clostridium thermocellum enzymes are both less than 30%
additional information
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construction of a fusion gene, encoding beta-1,3-1,4-glucanase both from Bacillus amyloliquefaciens and Clostridium thermocellum, via end-to-end fusion and expression in Escherichia coli. The catalytic efficiency of the fusion enzyme for oat beta-glucan is 2.7- and 20fold higher than that of the parental Bacillus amyloliquefaciens and Clostridium thermocellum enzymes, respectively, and the fusion enzyme can retain more than 50% of activity following incubation at 80°C for 30 min, whereas the residual activities of Bacillus amyloliquefaciens and Clostridium thermocellum enzymes are both less than 30%
additional information
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construction of hybrid genes encoding circularly permutated lichenase variants with integrated small peptides, i.e. NC-L-53, NC-L-99, NC-L-53-99, and NC-L-140, method overview. Generation of a thermostable lichenase gene variant encoding only the enzyme's catalytic domain LicBM3. Thermostabilities of the mutant constructs, overview
additional information
end-to-end fusion, circular permutation, domain insertion
additional information
end-to-end fusion, circular permutation, domain insertion
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degradation
hydrolysis of insoluble wheat arabinoxylan using different endoxylanases in combination with arabinofuranosidase Araf51A. The optimized combination is endoxylanases XynZ/Xyn11A/Araf51A with a loading ratio of 2:2:1, and the value of degree of synergy increases with the increase of Araf51A proportion in the enzyme mixture. Both free and enzymes immobilizedon commercial magnetic nanoparticles show a similar conversion to reducing sugars after hydrolysis for 48 h. After 10 cycles, approximately 20% of the initial enzymatic activity of both the individual or mixture of immobilized enzymes is retained, with 5.5fold increase in the production of sugars. A sustainable synergism between immobilized arabinofuranosidase and immobilized endoxylanases in the hydrolysis of arabinoxylan is observed
food industry
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the secretively produced beta-1,3-1,4-glucanase shows excellent thermostability up to 80°C and a wide pH range from pH 4 to pH 11 and has a potential in the food and animal feed applications
food industry
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exogenous 1,3-1,4-beta-glucanases but not 1,4-beta-glucanases (EC 3.2.1.4) are obligatory enzymes to improve the nutritive value of barley-based diets for broilers. Enzyme is completely resistant to proteolytic inactivation after a 30 min incubation with pancreatic proteases
synthesis
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the unusually resistance against inactivation by heat, ethanol or ionic detergents makes the enzyme highly suitable for industrial application in the mashing process of beer brewing
synthesis
construction of a fusion gene, encoding beta-1,3-1,4-glucanase both from Bacillus amyloliquefaciens and Clostridium thermocellum, via end-to-end fusion and expression in Escherichia coli. The catalytic efficiency of the fusion enzyme for oat beta-glucan is 2.7- and 20fold higher than that of the parental Bacillus amyloliquefaciens and Clostridium thermocellum enzymes, respectively, and the fusion enzyme can retain more than 50% of activity following incubation at 80°C for 30 min, whereas the residual activities of Bacillus amyloliquefaciens and Clostridium thermocellum enzymes are both less than 30%
additional information
application of lichenases is attractive and promising for biocatalytic conversion of biomass, in particular, in the areas of their biotechnological application, such as brewing industry, animal feed manufacture, and biofuel/bioethanol production
additional information
application of lichenases is attractive and promising for biocatalytic conversion of biomass, in particular, in the areas of their biotechnological application, such as brewing industry, animal feed manufacture, and biofuel/bioethanol production
additional information
application of lichenases is attractive and promising for biocatalytic conversion of biomass, in particular, in the areas of their biotechnological application, such as brewing industry, animal feed manufacture, and biofuel/bioethanol production
additional information
application of lichenases is attractive and promising for biocatalytic conversion of biomass, in particular, in the areas of their biotechnological application, such as brewing industry, animal feed manufacture, and biofuel/bioethanol production
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Schimming, S.; Schwarz, W.H.; Staudenbauer, W.L.
Properties of a thermoactive beta-1,3-1,4-glucanase (lichenase) from Clostridium thermocellum expressed in Escherichia coli
Biochem. Biophys. Res. Commun.
177
447-452
1991
Acetivibrio thermocellus
brenda
Taylor, E.J.; Goyal, A.; Guerreiro, C.I.; Prates, J.A.; Money, V.A.; Ferry, N.; Morland, C.; Planas, A.; Macdonald, J.A.; Stick, R.V.; Gilbert, H.J.; Fontes, C.M.; Davies, G.J.
How family 26 glycoside hydrolases orchestrate catalysis on different polysaccharides: structure and activity of a Clostridium thermocellum lichenase, CtLic26A
J. Biol. Chem.
280
32761-32767
2005
Acetivibrio thermocellus
brenda
Chichester, J.A.; Musiychuk, K.; de la Rosa, P.; Horsey, A.; Stevenson, N.; Ugulava, N.; Rabindran, S.; Palmer, G.A.; Mett, V.; Yusibov, V.
Immunogenicity of a subunit vaccine against Bacillus anthracis
Vaccine
25
3111-3114
2007
Acetivibrio thermocellus
brenda
Niu, D.; Zhou, X.X.; Yuan, T.Y.; Lin, Z.W.; Ruan, H.; Li, W.F.
Effect of the C-terminal domains and terminal residues of catalytic domain on enzymatic activity and thermostability of lichenase from Clostridium thermocellum
Biotechnol. Lett.
32
963-967
2010
Acetivibrio thermocellus, Acetivibrio thermocellus ZJL4
brenda
Abdeev, R.M.; Abdeeva, I.A.; Bruskin, S.S.; Musiychuk, K.A.; Goldenkova-Pavlova, I.V.; Piruzian, E.S.
Bacterial thermostable beta-glucanases as a tool for plant functional genomics
Gene
436
81-89
2009
Acetivibrio thermocellus
brenda
Sun, J.; Wang, H.; Lv, W.; Ma, C.; Lou, Z.; Dai, Y.
Construction and characterization of a fusion beta-1,3-1,4-glucanase to improve hydrolytic activity and thermostability
Biotechnol. Lett.
33
2193-2199
2011
Acetivibrio thermocellus (Q84C00), Acetivibrio thermocellus, Bacillus amyloliquefaciens (Q84F88), Bacillus amyloliquefaciens
brenda
Zhang, L.; Zhao, P.; Chen, C.C.; Huang, C.H.; Ko, T.P.; Zheng, Y.; Guo, R.T.
Preliminary X-ray diffraction analysis of a thermophilic beta-1,3-1,4-glucanase from Clostridium thermocellum
Acta Crystallogr. Sect. F
70
946-948
2014
Acetivibrio thermocellus (A3DBX3), Acetivibrio thermocellus, Acetivibrio thermocellus DSM 1237 (A3DBX3)
brenda
Luo, Z.; Gao, Q.; Li, X.; Bao, J.
Cloning of LicB from Clostridium thermocellum and its efficient secretive expression of thermostable beta-1,3-1,4-glucanase
Appl. Biochem. Biotechnol.
173
562-570
2014
Acetivibrio thermocellus, Acetivibrio thermocellus DSM 1237
brenda
Tyurin, A.; Sadovskaya, N.; Nikiforova, K.; Mustafaev, O.; Komakhin, R.; Fadeev, V.; Goldenkova-Pavlova, I.
Clostridium thermocellum thermostable lichenase with circular permutations and modifications in the N-terminal region retains its activity and thermostability
Biochim. Biophys. Acta
1854
10-19
2015
Acetivibrio thermocellus
brenda
Jia, L.; Budinova, G.; Takasugi, Y.; Noda, S.; Tanaka, T.; Ichinose, H.; Goto, M.; Kamiya, N.
Synergistic degradation of arabinoxylan by free and immobilized xylanases and arabinofuranosidase
Biochem. Eng. J.
114
268-275
2016
Acetivibrio thermocellus (P10478), Acetivibrio thermocellus DSM 1237 (P10478)
-
brenda
Chen, C.C.; Huang, J.W.; Zhao, P.; Ko, T.P.; Huang, C.H.; Chan, H.C.; Huang, Z.; Liu, W.; Cheng, Y.S.; Liu, J.R.; Guo, R.T.
Structural analyses and yeast production of the beta-1,3-1,4-glucanase catalytic module encoded by the licB gene of Clostridium thermocellum
Enzyme Microb. Technol.
71
1-7
2015
Acetivibrio thermocellus (A3DBX3), Acetivibrio thermocellus, Acetivibrio thermocellus DSM 1237 (A3DBX3)
brenda
Fernandes, V.; Costa, M.; Ribeiro, T.; Serrano, L.; Cardoso, V.; Santos, H.; Lordelo, M.; Ferreira, L.; Fontes, C.
1,3-1,4-beta-Glucanases and not 1,4-beta-glucanases improve the nutritive value of barley-based diets for broilers
Anim. Feed Sci. Technol.
211
153-163
2016
Acetivibrio thermocellus
-
brenda
Goldenkova-Pavlova, I.V.; Tyurin, A.A.; Mustafaev, O.N.
The features that distinguish lichenases from other polysaccharide-hydrolyzing enzymes and the relevance of lichenases for biotechnological applications
Appl. Microbiol. Biotechnol.
102
3951-3965
2018
Bacillus amyloliquefaciens, Bacillus amyloliquefaciens (P07980), Bacillus altitudinis, Paenibacillus barcinonensis (A0A097QQT4), Bacillus pumilus (A0A0F6QU36), Paenibacillus barengoltzii (A0A0K1P4J7), Bacillus velezensis (A0A0M4NIK2), Acetivibrio thermocellus (A3DBX3), Acetivibrio thermocellus (Q84C00), Bacillus subtilis (A8CGP1), Bacillus subtilis (G0YW23), Bacillus subtilis (P04957), Bacillus subtilis (Q45691), Paenibacillus polymyxa (A9Z0X6), Ruminococcus albus (E9SCT3), Bacillus sp. SJ-10 (I1W007), Bacillus tequilensis (K0A689), Fibrobacter succinogenes (P17989), Niallia circulans (P19254), Bacillus licheniformis (P27051), Brevibacillus brevis (P37073), Rhodothermus marinus (P45798), Bacillus sp. N137 (Q45648), Bacillus sp. A3 (Q6YAT3), Paenibacillus macerans (Q846Q0), Bacillus subtilis MA139 (A8CGP1), Bacillus tequilensis CGX5-1 (K0A689), Acetivibrio thermocellus DSM 1237 (A3DBX3), Bacillus subtilis 168 (P04957), Ruminococcus albus 8 (E9SCT3), Acetivibrio thermocellus NBRC 103400 (A3DBX3), Brevibacillus brevis ALK36 (P37073), Bacillus velezensis S2 (A0A0M4NIK2), Bacillus altitudinis YC-9, Bacillus subtilis NCIB 8565 (Q45691), Paenibacillus polymyxa CP7 (A9Z0X6), Niallia circulans ATCC 21367 (P19254), Rhodothermus marinus ITI378 (P45798), Bacillus amyloliquefaciens ATCC 23350, Bacillus amyloliquefaciens ATCC 15841 (P07980), Acetivibrio thermocellus ATCC 27405 (A3DBX3), Fibrobacter succinogenes S85 (P17989), Acetivibrio thermocellus VPI 7372 (A3DBX3), Bacillus pumilus US570 (A0A0F6QU36), Bacillus subtilis SU40 (G0YW23), Paenibacillus barcinonensis BP-23 (A0A097QQT4), Acetivibrio thermocellus F7 (Q84C00), Acetivibrio thermocellus NCIMB 10682 (A3DBX3), Acetivibrio thermocellus NRRL B-4536 (A3DBX3)
brenda