USEFUL LINKS Prediction of RNA structure RNAstructure ViennaRNA Web Services RNAComposer Circular RNA databases CircBase CircFunBase CIRCpedia circRNADb CircR2Disease Circular RNA Interactom circATLAS Genome browsers, alignment and primer design UCSC Genome Browser National Center for Biotechnology Information (NCBI) GeneCards Basic Local Alignment Search Tool (BLAST) Primer-BLAST Primer3web RNA modifications Modomics RNAMDB RMVar RMBase The RNA modification database RNAmod tRNAmod tRNAdb 2009 Other databases miRBase miRDB exoRBase Spectral Database for Organic Compounds e-EROS Online biocalculators Biomath Calculators Oligo Calc Reverse Complement The Exact Mass Calculator Biological Magnetic Resonance Data Bank