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The three-dimensional structure of the cellobiohydrolase Cel7A from Aspergillus fumigatus at 1.5?A resolution.


ABSTRACT: The enzymatic degradation of plant cell-wall cellulose is central to many industrial processes, including second-generation biofuel production. Key players in this deconstruction are the fungal cellobiohydrolases (CBHs), notably those from family GH7 of the carbohydrate-active enzymes (CAZY) database, which are generally known as CBHI enzymes. Here, three-dimensional structures are reported of the Aspergillus fumigatus CBHI Cel7A solved in uncomplexed and disaccharide-bound forms at resolutions of 1.8 and 1.5?Å, respectively. The product complex with a disaccharide in the +1 and +2 subsites adds to the growing three-dimensional insight into this family of industrially relevant biocatalysts.

SUBMITTER: Moroz OV 

PROVIDER: S-EPMC4304761 | biostudies-literature | 2015 Jan

REPOSITORIES: biostudies-literature

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The three-dimensional structure of the cellobiohydrolase Cel7A from Aspergillus fumigatus at 1.5 Å resolution.

Moroz Olga V OV   Maranta Michelle M   Shaghasi Tarana T   Harris Paul V PV   Wilson Keith S KS   Davies Gideon J GJ  

Acta crystallographica. Section F, Structural biology communications 20150101 Pt 1


The enzymatic degradation of plant cell-wall cellulose is central to many industrial processes, including second-generation biofuel production. Key players in this deconstruction are the fungal cellobiohydrolases (CBHs), notably those from family GH7 of the carbohydrate-active enzymes (CAZY) database, which are generally known as CBHI enzymes. Here, three-dimensional structures are reported of the Aspergillus fumigatus CBHI Cel7A solved in uncomplexed and disaccharide-bound forms at resolutions  ...[more]

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