1RSB:
reference: X-ray and NMR studies of the DNA oligomer d(ATATAT): Hoogsteen base pairing in duplex DNA., Abrescia NG, Gonzalez C, Gouyette C, Subirana JA, Biochemistry 2004 Apr 13;43(14):4092-100. PMID: 15065851

This OCA Structure page
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