Phylogenetic Distribution

The database currently (March 1, 2012) contains 109 modified ribonucleoside entries, distributed by RNA type and phylogenetic source as shown in the following table:

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                                           Source
                           ____________________________________

                              Archaea   (eu)Bacteria   Eukarya
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 tRNA                             46          46          50
 rRNA                                          1a          4a
     SSU                          12           9          21
     LSU                           8          15          14
     5S                            3                       1
     5.8S                                                  5
 mRNA                                                     13
 tmRNA                                         2
 snRNA                                                    11
 chromosomal RNA                                           2
 other small RNA                                           1
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a Subunit origin not designated, or is reported in a mixture of SSU and LSU rRNAs.

Updated from: Cantara, W.A., Crain, P.F., Rozenski, J., McCloskey, J.A., Harris, K.A., Zhang, X., Vendeix, F.A., Fabris, D. and Agris, P.F. (2011) The RNA Modification Database, RNAMDB: 2011 update. Nucleic Acids Res, 39, Database issue, pp. D195-201. PubMed