4QM6:
reference: Structures of bacterial polynucleotide kinase in a Michaelis complex with NTP*Mg2+ and 5'-OH RNA and a mixed substrate-product complex with NTP*Mg2+ and a 5'-phosphorylated oligonucleotide., Das U, Wang LK, Smith P, Munir A, Shuman S, J Bacteriol. 2014 Sep 29. pii: JB.02197-14. PMID: 25266383

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