1B5K:
reference: NMR solution structure of an oligodeoxynucleotide duplex containing the exocyclic lesion 3,N4-etheno-2'-deoxycytidine opposite thymidine: comparison with the duplex containing deoxyadenosine opposite the adduct., Cullinan D, Korobka A, Grollman AP, Patel DJ, Eisenberg M, de los Santos C, Biochemistry 1996 Oct 15;35(41):13319-27. PMID: 8873598

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