RNA FRABASE is an engine with database to search the three-dimensional fragments within 3D RNA structures using as an input the sequence(s) and / or secondary structure(s) given in the dot-bracket notation.

M. Popenda, M. Blazewicz, M. Szachniuk, R.W. Adamiak. RNA FRABASE version 1.0: an engine with a database to search for the three-dimensional fragments within RNA structures. Nucleic Acids Research 36, 2008, D386-D391 (published online on October 5, 2007, doi:10.1093/nar/gkm786).

M. Popenda, M. Szachniuk, M. Blazewicz, S. Wasik, E.K. Burke, J. Blazewicz, R.W. Adamiak. RNA FRABASE 2.0: an advanced web-accessible database with the capacity to search the three-dimensional fragments within RNA structures. BMC Bioinformatics, 2010, 11:231 (published online on May 6, 2010, doi:10.1186/1471-2105-11-231).