The Ribosomal Database Project (RDP) is a curated database that offers
ribosome data along with related programs and services. The offerings
include phylogenetically ordered alignments of ribosomal RNA (rRNA) s
equences, derived phylogenetic trees, rRNA secondary structure diagram
s and various software packages for handling, analyzing and displaying
alignments and trees. The data are available via ftp and electronic m
all. Certain analytic services are also provided by the electronic mai
l server.