Molecular graphics software
Direct links (in order of sympathy)
Threading (David Jones, UK)
Identify
SMART (EMBL Heidelberg, Germany)
NPSA secondary structure prediction
LIBRA (DDBJ DNA Data Bank of Japan)
BLAST search (NCBI, USA)
3-D
Swissshop 3D Modelling
RasMol download (?)
BNL download: RasMol and SwissPdbViewer
MolMol download (v. powerful but slow)
nice graphics (final polish)
Non-Peptide
ENTREZ Medline, NCBI