Beta-glucosidase
From Proteopedia
Introduction
2VRJ is a β-glucosidase which EC number is 3.2.1.21. It comes from Thermotoga maritima which is a rod-shaped bacterium belonging to the order of Thermotogates. This bacterium was originally isolated from geothermal heated marine sediments. A β-glucosidase is an enzyme which catalyses the hydrolysis of terminal non-reducing residues in β-glucosides. It acts on the β(1-4) bond linking two glucose residues or glucose-substituted molecules. The action of the enzyme on such glucosides results in the release of one glucose unit. In terms of structure 2VRJ is a homodimer. It means that it is made of two chains (A and B) which are identical. Each chain is made of 438 residues and constitutes a subunit of the protein. Each subunit contains a catalytic site.
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