Our database on large ribosomal subunit RNA contained 334 sequences in
July, 1995. All sequences in the database are aligned, taking into ac
count secondary structure. The aligned sequences are provided, togethe
r with incorporated secondary structure information, in several comput
er-readable formats. These data can easily be obtained through the Wor
ld Wide Web. The files in the database are also available via anonymou
s ftp.