4WB2:
reference: Structural basis for the targeting of complement anaphylatoxin C5a using a mixed L-RNA/L-DNA aptamer., Yatime L, Maasch C, Hoehlig K, Klussmann S, Andersen GR, Vater A, Nat Commun. 2015 Apr 22;6:6481. doi: 10.1038/ncomms7481. PMID: 25901944

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