The RNA modification database.

The RNA modification database provides a comprehensive listing of post-transcriptionally modified nucleosides from RNA and is maintained as an updated version of the initial printed report. Information provided includes: type(s) of RNA in which found and phylogenetic distribution; common chemical names and symbols; Chemical Abstracts registry numbers and index names; chemical structures; initial literature citations for structural characterization or occurrence and chemical synthesis. The data are available through the World Wide Web, anonymous ftp or from the authors in printed form.