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Literature summary extracted from

  • Tegl, G.; Oehlknecht, C.; Vielnascher, R.; Rollett, A.; Hofinger-Horvath, A.; Kosma, P.; Guebitz, G.
    Cellobiohydrolases produce different oligosaccharides from chitosan (2016), Biomacromolecules, 17, 2284-2292 .
    View publication on PubMed

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
3.2.1.17 extracellular
-
 Gallus gallus
-
-

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
3.2.1.132 chitosan + H2O Streptomyces sp.
-
 N-acetyl-D-glucosamine + ?
-
 ?
3.2.1.132 chitosan + H2O Streptomyces griseus
-
 N-acetyl-D-glucosamine + ?
-
 ?

Organism

EC Number Organism UniProt Comment Textmining
3.2.1.17 Gallus gallus P00698
-
-
3.2.1.91 Trichoderma longibrachiatum A0A2T4C4X5
-
-
3.2.1.91 Trichoderma longibrachiatum ATCC 18648 A0A2T4C4X5
-
-
3.2.1.91 Trichoderma reesei A0A024RXP8 i.e. Trichoderma reesei
-
3.2.1.91 Trichoderma reesei ATCC 56765 A0A024RXP8 i.e. Trichoderma reesei
-
3.2.1.91 Trichoderma reesei BCRC 32924 A0A024RXP8 i.e. Trichoderma reesei
-
3.2.1.91 Trichoderma reesei NRRL 11460 A0A024RXP8 i.e. Trichoderma reesei
-
3.2.1.91 Trichoderma reesei RUT C-30 A0A024RXP8 i.e. Trichoderma reesei
-
3.2.1.132 Streptomyces griseus A0A380NDK1
-
-
3.2.1.132 Streptomyces sp.
-
-
-

Source Tissue

EC Number Source Tissue Comment Organism Textmining
3.2.1.17 commercial preparation
-
 Gallus gallus
-
3.2.1.17 egg white
-
 Gallus gallus
-
3.2.1.91 commercial preparation
-
 Trichoderma reesei
-
3.2.1.91 commercial preparation
-
 Trichoderma longibrachiatum
-
3.2.1.132 commercial preparation
-
 Streptomyces sp.
-
3.2.1.132 commercial preparation
-
 Streptomyces griseus
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.2.1.17 chito-oligosaccharide + H2O oligosaccharides with a degree of polymerization between three and six units, product analysis by mass and NMR spectrometry Gallus gallus ?
-
 ?
3.2.1.17 chitosan + H2O DA48 Gallus gallus N-acetyl-D-glucosamine + ?
-
 ?
3.2.1.17 additional information comparison of activities on chitosan by cellobiohydrolases, chitosanases, and lysozyme, oligomer pattern, overview. The different enzymes produce chito-oligosaccharides (COSs) with varying acetylation, NMR spectrometric analysis Gallus gallus ?
-
 ?
3.2.1.91 chito-oligosaccharide + H2O oligosaccharides with a degree of polymerization between three and six units, product analysis by analyzed by mass and NMR spectrometry Trichoderma reesei ?
-
 ?
3.2.1.91 chito-oligosaccharide + H2O oligosaccharides with a degree of polymerization between three and six units, product analysis by analyzed by mass and NMR spectrometry Trichoderma longibrachiatum ?
-
 ?
3.2.1.91 chito-oligosaccharide + H2O oligosaccharides with a degree of polymerization between three and six units, product analysis by analyzed by mass and NMR spectrometry Trichoderma reesei NRRL 11460 ?
-
 ?
3.2.1.91 chito-oligosaccharide + H2O oligosaccharides with a degree of polymerization between three and six units, product analysis by analyzed by mass and NMR spectrometry Trichoderma reesei BCRC 32924 ?
-
 ?
3.2.1.91 chito-oligosaccharide + H2O oligosaccharides with a degree of polymerization between three and six units, product analysis by analyzed by mass and NMR spectrometry Trichoderma reesei ATCC 56765 ?
-
 ?
3.2.1.91 chito-oligosaccharide + H2O oligosaccharides with a degree of polymerization between three and six units, product analysis by analyzed by mass and NMR spectrometry Trichoderma reesei RUT C-30 ?
-
 ?
3.2.1.91 chito-oligosaccharide + H2O oligosaccharides with a degree of polymerization between three and six units, product analysis by analyzed by mass and NMR spectrometry Trichoderma longibrachiatum ATCC 18648 ?
-
 ?
3.2.1.91 chitosan + H2O DA13 Trichoderma reesei N-acetyl-D-glucosamine + ?
-
 ?
3.2.1.91 chitosan + H2O DA13 Trichoderma longibrachiatum N-acetyl-D-glucosamine + ?
-
 ?
3.2.1.91 chitosan + H2O DA13 Trichoderma reesei NRRL 11460 N-acetyl-D-glucosamine + ?
-
 ?
3.2.1.91 chitosan + H2O DA13 Trichoderma reesei BCRC 32924 N-acetyl-D-glucosamine + ?
-
 ?
3.2.1.91 chitosan + H2O DA13 Trichoderma reesei ATCC 56765 N-acetyl-D-glucosamine + ?
-
 ?
3.2.1.91 chitosan + H2O DA13 Trichoderma reesei RUT C-30 N-acetyl-D-glucosamine + ?
-
 ?
3.2.1.91 chitosan + H2O DA13 Trichoderma longibrachiatum ATCC 18648 N-acetyl-D-glucosamine + ?
-
 ?
3.2.1.91 additional information comparison of activities on chitosan by cellobiohydrolases, chitosanases, and lysozyme, oligomer pattern, overview. The different enzymes produce chito-oligosaccharides (COSs) with varying acetylation, NMR spectrometric analysis Trichoderma reesei ?
-
 ?
3.2.1.91 additional information comparison of activities on chitosan by cellobiohydrolases, chitosanases, and lysozyme, oligomer pattern, overview. The different enzymes produce chito-oligosaccharides (COSs) with varying acetylation, NMR spectrometric analysis. The preferred cleavage site of enzyme CBH is between GlcN and GlcN Trichoderma longibrachiatum ?
-
 ?
3.2.1.91 additional information comparison of activities on chitosan by cellobiohydrolases, chitosanases, and lysozyme, oligomer pattern, overview. The different enzymes produce chito-oligosaccharides (COSs) with varying acetylation, NMR spectrometric analysis Trichoderma reesei NRRL 11460 ?
-
 ?
3.2.1.91 additional information comparison of activities on chitosan by cellobiohydrolases, chitosanases, and lysozyme, oligomer pattern, overview. The different enzymes produce chito-oligosaccharides (COSs) with varying acetylation, NMR spectrometric analysis Trichoderma reesei BCRC 32924 ?
-
 ?
3.2.1.91 additional information comparison of activities on chitosan by cellobiohydrolases, chitosanases, and lysozyme, oligomer pattern, overview. The different enzymes produce chito-oligosaccharides (COSs) with varying acetylation, NMR spectrometric analysis Trichoderma reesei ATCC 56765 ?
-
 ?
3.2.1.91 additional information comparison of activities on chitosan by cellobiohydrolases, chitosanases, and lysozyme, oligomer pattern, overview. The different enzymes produce chito-oligosaccharides (COSs) with varying acetylation, NMR spectrometric analysis Trichoderma reesei RUT C-30 ?
-
 ?
3.2.1.91 additional information comparison of activities on chitosan by cellobiohydrolases, chitosanases, and lysozyme, oligomer pattern, overview. The different enzymes produce chito-oligosaccharides (COSs) with varying acetylation, NMR spectrometric analysis. The preferred cleavage site of enzyme CBH is between GlcN and GlcN Trichoderma longibrachiatum ATCC 18648 ?
-
 ?
3.2.1.132 chitosan + H2O
-
 Streptomyces sp. N-acetyl-D-glucosamine + ?
-
 ?
3.2.1.132 chitosan + H2O
-
 Streptomyces griseus N-acetyl-D-glucosamine + ?
-
 ?
3.2.1.132 chitosan + H2O DA13 Streptomyces sp. N-acetyl-D-glucosamine + ?
-
 ?
3.2.1.132 chitosan + H2O DA13 Streptomyces griseus N-acetyl-D-glucosamine + ?
-
 ?
3.2.1.132 additional information comparison of activities on chitosan by cellobiohydrolases, chitosanases, and lysozyme, oligomer pattern, overview. The different enzymes produce chito-oligosaccharides (COSs) with varying acetylation, NMR spectrometric analysis. The preferred cleavage site of enzyme CSN1 is between GlcN and GlcNAc Streptomyces griseus ?
-
 ?
3.2.1.132 additional information comparison of activities on chitosan by cellobiohydrolases, chitosanases, and lysozyme, oligomer pattern, overview. The different enzymes produce chito-oligosaccharides (COSs) with varying acetylation, NMR spectrometric analysis. The preferred cleavage site of enzyme CSN2 is between GlcN(Ac) and GlcN(Ac) Streptomyces sp. ?
-
 ?

Subunits

EC Number Subunits Comment Organism
3.2.1.17 ? x * 65000, SDS-PAGE Gallus gallus
3.2.1.91 ? x * 53000, SDS-PAGE Trichoderma reesei
3.2.1.91 ? x * 65000, SDS-PAGE Trichoderma longibrachiatum
3.2.1.132 ? x * 30000, SDS-PAGE Streptomyces sp.
3.2.1.132 ? x * 34000, SDS-PAGE Streptomyces griseus

Synonyms

EC Number Synonyms Comment Organism
3.2.1.91 CBH
-
 Trichoderma reesei
3.2.1.91 CBH
-
 Trichoderma longibrachiatum
3.2.1.91 CBH1
-
 Trichoderma reesei
3.2.1.91 cellobiohydrolase
-
 Trichoderma reesei
3.2.1.91 cellobiohydrolase
-
 Trichoderma longibrachiatum
3.2.1.91 cellobiohydrolase I
-
 Trichoderma reesei
3.2.1.91 cellobiohydrolase I
-
 Trichoderma longibrachiatum
3.2.1.132 chitosanase
-
 Streptomyces sp.
3.2.1.132 chitosanase
-
 Streptomyces griseus
3.2.1.132 Csn
-
 Streptomyces griseus
3.2.1.132 Csn1
-
 Streptomyces griseus
3.2.1.132 Csn2
-
 Streptomyces sp.
3.2.1.132 StrCSN1
-
 Streptomyces griseus
3.2.1.132 StrCSN2
-
 Streptomyces sp.

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
3.2.1.17 60
-
-
 Gallus gallus
3.2.1.91 60
-
-
 Trichoderma reesei
3.2.1.91 60
-
-
 Trichoderma longibrachiatum
3.2.1.132 37
-
-
 Streptomyces griseus
3.2.1.132 50
-
-
 Streptomyces sp.

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.2.1.17 6
-
-
 Gallus gallus
3.2.1.91 5.5
-
-
 Trichoderma reesei
3.2.1.91 5.5
-
-
 Trichoderma longibrachiatum
3.2.1.132 5.5
-
-
 Streptomyces griseus
3.2.1.132 6
-
-
 Streptomyces sp.

General Information

EC Number General Information Comment Organism
3.2.1.91 physiological function cellobiohydrolases (CBHs) are important components of cellulose degrading enzyme systems especially secreted by fungi. Classified as exoglucanases, CBHs liberate cellobiose units from reducing and nonreducing ends of cellulose Trichoderma reesei
3.2.1.91 physiological function cellobiohydrolases (CBHs) are important components of cellulose degrading enzyme systems especially secreted by fungi. Classified as exoglucanases, CBHs liberate cellobiose units from reducing and nonreducing ends of cellulose Trichoderma longibrachiatum