The enzyme arabinonate dehydratase () catalyzes the chemical reaction
D-arabinonate 2-dehydro-3-deoxy-D-arabinonate + H2O
This enzyme belongs to the family of lyases, specifically the hydro-lyases, which cleave carbon-oxygen bonds. The systematic name of this enzyme class is D-arabinonate hydro-lyase (2-dehydro-3-deoxy-D-arabinonate-forming). This enzyme is also called D-arabinonate hydro-lyase.
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