RNArchitecture: a database and a classification system of RNA families, with a focus on structural information. - Pietro Boccaletto; Marcin Magnus; Catarina Almeida 002; Adriana Zyla; Astha Astha; Radoslaw Pluta; Blazej Baginski; Elzbieta Jankowska; Stanislaw Dunin-Horkawicz; Tomasz K. Wirecki; Michal J. Boniecki; Filip Stefaniak; et al. (Nucleic Acids Res., 2018)