3N4Q:
reference: Structure and inhibition of herpesvirus DNA packaging terminase nuclease domain., Nadal M, Mas PJ, Blanco AG, Arnan C, Sola M, Hart DJ, Coll M, Proc Natl Acad Sci U S A. 2010 Sep 14;107(37):16078-83. Epub 2010 Aug 30. PMID: 20805464

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