4P66:
reference: Probing the Electrostatics of Active Site Microenvironments along the Catalytic Cycle for Escherichia coli Dihydrofolate Reductase., Liu CT, Layfield JP, Stewart RJ 3rd, French JB, Hanoian P, Asbury JB, Hammes-Schiffer S, Benkovic SJ, J Am Chem Soc. 2014 Jul 11. PMID: 24977791

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