6A85:
reference: High-resolution DNA quadruplex structure containing all the A-, G-, C-, T-tetrads., Liu H, Wang R, Yu X, Shen F, Lan W, Haruehanroengra P, Yao Q, Zhang J, Chen Y, Li S, Wu B, Zheng L, Ma J, Lin J, Cao C, Li J, Sheng J, Gan J, Nucleic Acids Res. 2018 Nov 30;46(21):11627-11638. doi: 10.1093/nar/gky902. PMID: 30285239

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