Supporting Information Structural analysis of -glucosidase mutants derived from a hyperthermophilic tetrameric structure
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Structural analysis of β-glucosidase mutants derived from a hyperthermophilic tetrameric structure
β-Glucosidase from Pyrococcus furiosus (BGLPf) is a hyperthermophilic tetrameric enzyme which can degrade cellooligosaccharides to glucose under hyperthermophilic conditions and thus holds promise for the saccharification of lignocellulosic biomass at high temperature. Prior to the production of large amounts of this enzyme, detailed information regarding the oligomeric structure of the enzyme ...
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One of the β-glucosidases from Pyrococcus furiosus (BGLPf) is found to be a hyperthermophilic tetrameric enzyme that can degrade cellooligosaccharides. Recently, the crystal structures of the tetrameric and dimeric forms were solved. Here, a new monomeric form of BGLPf was constructed by removing the C-terminal region of the enzyme and its crystal structure was solved at a resolution of 2.8 Å i...
متن کاملStructure of hyperthermophilic β-glucosidase from Pyrococcus furiosus
Three categories of cellulases, endoglucanases, cellobiohydrolases and β-glucosidases, are commonly used in the process of cellulose saccharification. In particular, the activity and characteristics of hyperthermophilic β-glucosidase make it promising in industrial applications of biomass. In this paper, the crystal structure of the hyperthermophilic β-glucosidase from Pyrococcus furiosus (BGLP...
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The hyperthermophilic archaeon Sulfolobus solfataricus employs a catabolite repression-like regulatory system to control enzymes involved in carbon and energy metabolism. To better understand the basis of this system, spontaneous glycosyl hydrolase mutants were isolated using a genetic screen for mutations, which reduced expression of the lacS gene. The specific activities of three glycosyl hyd...
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