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. 2018 Jan 1;74(Pt 1):52–64. doi: 10.1107/S2059798318000050

Figure 3.

Figure 3

Gallery of the CANA letters. Each letter is represented by 40 randomly selected structures of steps which represent one NtC class belonging to the letter in the golden set. A-like and mixed B/A conformers are drawn in pink and violet, B-like conformers in blue and conformers with either base in the syn orientation in green. The CANA letter AAA is represented by NtC AA00, A-B by AB01, B1A by BA01, B2A by BA13, BBB by BB00, 2B1 by BB01, 3B1 by BB02, B12 by BB04, BB2 by BB07, miB by BB10, SQX by BBS1 and ZZZ by ZZ2S. The B1A and B2A letters are merged in Table 1 ▸ to B-A.