The latest release of the large ribosomal subunit RNA database contain
s 429 sequences. All these sequences are aligned, and incorporate seco
ndary structure information. The rRNA WWW Sewer at URL http://rrna.uia
.ac.be/ provides researchers with an easily accessible resource to obt
ain the data in this database in a number of computer-readable formats
. A new query interface has been added to the server. If necessary, th
e data can also be obtained by anonymous ftp from the same site.