Elucidating residue roles in engineered variants of AraC regulatory protein.

Abstract excerpt

The AraC regulatory protein was previously engineered to control gene expression specifically in response to D-arabinose and not the native effector L-arabinose (Tang et al., J Am Chem Soc 2008;130:5267-5271). Mutations were targeted in the ligand-binding pocket and on the AraC N-terminal arm, which plays an important role in maintaining repressing or activating conformations in the absence or presence of...

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