3F1J:
reference: Crystal structure of the Borna disease virus matrix protein (BDV-M) reveals ssRNA binding properties., Neumann P, Lieber D, Meyer S, Dautel P, Kerth A, Kraus I, Garten W, Stubbs MT, Proc Natl Acad Sci U S A. 2009 Mar 10;106(10):3710-5. Epub 2009 Feb 23. PMID: 19237566

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