3TB9:
reference: Role of Arginine 293 and Glutamine 288 in Communication between Catalytic and Allosteric Sites in Yeast Ribonucleotide Reductase., Ahmad MF, Kaushal PS, Wan Q, Wijerathna SR, An X, Huang M, Dealwis CG, J Mol Biol. 2012 Mar 29. PMID: 22465672

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