The Antwerp database on targe subunit ribosomal RNA now contains 607 comple
te or nearly complete aligned sequences. The alignment incorporates seconda
ry structure information for each sequence. Other information about the seq
uences, such as literature references, accession numbers and taxonomic info
rmation is also available. Information from the database can be downloaded
or searched on the rRNA WWW Server at URL http ://rrna.uia.ac.be/.