3V72:
reference: Unfavorable Electrostatic and Steric Interactions in DNA Polymerase beta E295K Mutant Interfere with the Enzyme's Pathway., Li Y, Gridley CL, Jaeger J, Sweasy JB, Schlick T, J Am Chem Soc. 2012 Jun 20;134(24):9999-10010. Epub 2012 Jun 11. PMID: 22651551

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