4HUG: Structure Of 5-Chlorouracil Modified A:U Base Pairs
reference: Structure, stability and function of 5-chlorouracil modified A:U and G:U base pairs., Patra A, Harp J, Pallan PS, Zhao L, Abramov M, Herdewijn P, Egli M, Nucleic Acids Res. 2012 Dec 28. PMID: 23275540

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