327D:
reference: Methylation of the Z-DNA decamer d(GC)5 potentiates the formation of A-DNA: crystal structure of d(Gm5CGm5CGCGCGC)., Tippin DB, Ramakrishnan B, Sundaralingam M, J Mol Biol 1997 Jul 11;270(2):247-58. PMID: 9236126

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