STRAP: Sequence features in 3D

Three Adobe flash animations explain how sequence features such as phosphorylated amino acids or active site residues are shown in 3D. The Example in the animation can be loaded with the following Web-link: Example. The proteins to be loaded and the DAS sequence feature sources are encoded in this long Web-address.
http://www.bioinformatics.org/strap/lite/strap.php?rename=sp&dasFeatures=uniprot&align=PDB:1iru_P+UNIPROT:PSA2_CAEEL+UNIPROT:PSA2_DROME+UNIPROT:PSA2_HUMAN+UNIPROT:PSA2_MOUSE+UNIPROT:PSA2_RAT+UNIPROT:PSA2_XENLA