16S and 23S Ribosomal RNA Mutation Database Triman, K.L, Vavoulis, S.T.
Non-Canonical Interactions in RNA Nagaswamy, U., Larios-Sanz, M., Hury, J., Collins, S., Zhang, Z., Zhao, Q., Fox, G. E.
Non-standard base-base interactions in known RNA structures
database summary