1H, 13C, 15N backbone and IVL methyl group resonance assignment of the fungal β-glucosidase from Trichoderma reesei

Eleni Makraki, Marta G. Carneiro, Alex Heyam, A. B. Eiso, Gregg Siegal, Roderick E. Hubbard*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


β-glucosidases have received considerable attention due to their essential role in bioethanol production from lignocellulosic biomass. β-glucosidase can hydrolyse cellobiose in cellulose degradation and its low activity has been considered as one of the main limiting steps in the process. Large-scale conversions of cellulose therefore require high enzyme concentration which increases the cost. β-glucosidases with improved activity and thermostability are therefore of great commercial interest. The fungus Trichoderma reseei expresses thermostable cellulolytic enzymes which have been widely studied as attractive targets for industrial applications. Genetically modified β-glucosidases from Trichoderma reseei have been recently commercialised. We have developed an approach in which screening of low molecular weight molecules (fragments) identifies compounds that increase enzyme activity and are currently characterizing fragment-based activators of TrBgl2. A structural analysis of the 55 kDa apo form of TrBgl2 revealed a classical (α/β)8-TIM barrel fold. In the present study we present a partial assignment of backbone chemical shifts, along with those of the Ile (I)-Val (V)-Leu (L) methyl groups of TrBgl2. These data will be used to characterize the interaction of TrBgl2 with the small molecule activators.

Original languageEnglish
Number of pages4
JournalBiomolecular NMR assignments
Early online date19 Jun 2020
Publication statusE-pub ahead of print - 19 Jun 2020

Bibliographical note

© The Author(s) 2020


  • Enzyme activators
  • Resonance assignment
  • TrBgl2
  • β-glucosidase

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