References
Zhou et al. 2014
Xu et al. 2014
Legend
both truncated
5' elongated
3' elongated
both elongated
5' truncated
3' truncated
canonical
both truncated mismatch
5' elongated mismatch
3' elongated mismatch
both elongated mismatch
5' truncated mismatch
3' truncated mismatch
canonical mismatch
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