1S49:
reference: The structure of the RNA-dependent RNA polymerase from bovine viral diarrhea virus establishes the role of GTP in de novo initiation., Choi KH, Groarke JM, Young DC, Kuhn RJ, Smith JL, Pevear DC, Rossmann MG, Proc Natl Acad Sci U S A 2004 Mar 30;101(13):4425-30. Epub 2004 Mar 19. PMID: 15070734

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