| BPS | Unspecified. | http://bps.rutgers.edu/ |
| BRAliBase | Saccharomyces cerevisiae, Escherichia coli. | http://projects.binf.ku.dk/pga... |
| CRW | Rattus norvegicus, Canis familiaris, Arabidopsis Thaliana, Dictyostelium discoideum, Glycine Max, Neurospora crassa and 1803 others. | http://www.rna.ccbb.utexas.edu... |
| MeRNA | Unspecified. | http://merna.lbl.gov/ |
| NCIR | Unspecified. | http://prion.bchs.uh.edu/bp_ty... |
| NNDB | Unspecified. | http://rna.urmc.rochester.edu/... |
| PseudoBase | Homo sapiens, Mus musculus, Bos Taurus, Saccharomyces cerevisiae, Bombyx mori, Escherichia coli and 121 others. | http://pseudobaseplusplus.utep... |
| RNA FRABASE | Unspecified. | http://rnafrabase.ibch.poznan.... |
| RNA STRAND | Homo sapiens, Canis familiaris, Mus musculus, Bos Taurus, Oryza sativa, Saccharomyces cerevisiae and 48 others. | http://www.rnasoft.ca/strand/ |
| RNAJunction | Unspecified. | http://rnajunction.abcc.ncifcr... |
| SCOR | Unspecified. | http://scor.berkeley.edu/ |
