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Family 92 carbohydr...
Family 92 carbohydrate-binding modules specific for β-1,6-glucans increase the thermostability of a bacterial chitinase
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- Li, He, D.Sc, 1985- (författare)
- KTH,Glykovetenskap
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- Lu, Zijia (författare)
- KTH,Glykovetenskap
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- Hao, Meng-Shu (författare)
- KTH,Glykovetenskap
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- Kvammen, Alma (författare)
- KTH,Glykovetenskap
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- Inman, Annie R. (författare)
- KTH,Glykovetenskap
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- Srivastava, Vaibhav (författare)
- KTH,Glykovetenskap
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- Bulone, Vincent (författare)
- KTH,Glykovetenskap,College of Medicine & Public Health, Flinders University, Bedford Park Campus, Sturt Road, SA, 5042, Australia
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- McKee, Lauren S., 1985- (författare)
- KTH,Glykovetenskap,Wallenberg Wood Science Center
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(creator_code:org_t)
- Elsevier BV, 2023
- 2023
- Engelska.
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Ingår i: Biochimie. - : Elsevier BV. - 0300-9084 .- 1638-6183. ; 212, s. 153-160
- Relaterad länk:
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https://doi.org/10.1...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- In biomass-processing industries there is a need for enzymes that can withstand high temperatures. Extensive research efforts have been dedicated to finding new thermostable enzymes as well as developing new means of stabilising existing enzymes. The attachment of a stable non-catalytic domain to an enzyme can, in some instances, protect a biocatalyst from thermal denaturation. Carbohydrate-binding modules (CBMs) are non-catalytic domains typically found appended to biomass-degrading or modifying enzymes, such as glycoside hydrolases (GHs). Most often, CBMs interact with the same polysaccharide as their enzyme partners, leading to an enhanced reaction rate via the promotion of enzyme-substrate interactions. Contradictory to this general concept, we show an example of a chitin-degrading enzyme from GH family 18 that is appended to two CBM domains from family 92, both of which bind preferentially to the non-substrate polysaccharide β-1,6-glucan. During chitin hydrolysis, the CBMs do not contribute to enzyme-substrate interactions but instead confer a 10–15 °C increase in enzyme thermal stability. We propose that CBM92 domains may have a natural enzyme stabilisation role in some cases, which may be relevant to enzyme design for high-temperature applications in biorefinery.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Industriell bioteknik -- Biokatalys och enzymteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Industrial Biotechnology -- Biocatalysis and Enzyme Technology (hsv//eng)
- NATURVETENSKAP -- Biologi -- Biokemi och molekylärbiologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Biochemistry and Molecular Biology (hsv//eng)
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- Av författaren/redakt...
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Li, He, D.Sc, 19 ...
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Lu, Zijia
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Hao, Meng-Shu
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Kvammen, Alma
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Inman, Annie R.
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Srivastava, Vaib ...
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visa fler...
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Bulone, Vincent
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McKee, Lauren S. ...
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visa färre...
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- TEKNIK OCH TEKNOLOGIER
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TEKNIK OCH TEKNO ...
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och Biokatalys och e ...
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