1Y8D:
reference: From The Cover: An interlocked dimeric parallel-stranded DNA quadruplex: A potent inhibitor of HIV-1 integrase., Phan AT, Kuryavyi V, Ma JB, Faure A, Andreola ML, Patel DJ, Proc Natl Acad Sci U S A 2005 Jan 18;102(3):634-9. Epub 2005 Jan 06. PMID: 15637158

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