| GISSD | Pseudomonas stutzeri A1501, Rhizobium etli CIAT 652, Buchnera aphidicola Sg, Chloroflexus sp. Y-400-fl, Streptococcus pyogenes MGAS10750, Leptotrichia sp. oral taxon 212 and 16 others. | http://www.rna.whu.edu.cn/giss... |
| Mobile Group II Introns | Arabidopsis Thaliana, Glycine Max, Neurospora crassa, Saccharomyces cerevisiae, Zea mays, Kluyveromyces lactis and 22 others. | http://www.fp.ucalgary.ca/grou... |
| The ribonuclease P database | Homo sapiens, Rattus norvegicus, Mus musculus, Danio rerio, Macaca mulatta, Pan troglodytes and 252 others. | http://www.mbio.ncsu.edu/rnase... |
