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. 2016 Apr 18;44(12):5883–5891. doi: 10.1093/nar/gkw239

Table 1. Number of fragments within each ensemble.

Sequence # of structures Loop (%) A-form (%)
UACG 3674 9 37
UCCG 6673 3 67
UGCG 5872 0 61
UUCG 3969 15 17
GAAA 12 908 16 8
GAGA 7596 10 27
GCAA 7835 14 23
GCGA 10 946 7 17
GGAA 12 395 3 24
GGGA 16 764 0.7 46
GUAA 8100 6 15
GUGA 11 432 10 10

The fraction of loops and A-form helices is calculated considering all structures with Inline graphic RMSD < 0.6 from the consensus loop/ideal helix.