4EDK:
reference: Binding Mechanism of MetalNTP Substrates and Stringent-Response Alarmones to Bacterial DnaG-Type Primases., Rymer RU, Solorio FA, Tehranchi AK, Chu C, Corn JE, Keck JL, Wang JD, Berger JM, Structure. 2012 Jul 10. PMID: 22795082

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