4LZ4:
reference: Dissecting the contribution of thrombin exosite I in the recognition of thrombin binding aptamer., Pica A, Russo Krauss I, Merlino A, Nagatoishi S, Sugimoto N, Sica F, FEBS J. 2013 Dec;280(24):6581-8. doi: 10.1111/febs.12561. Epub 2013 Nov 1. PMID: 24128303

This OCA Structure page
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