<dl<strong>[[3D-ALI]]</strong> - Database relating Proteins Structures and Sequences (see <a href="gopher://s-crim1.dl.ac.uk/00/EMBnet%20Bioinformation%20Resource%20UK/Data%20%26%20Software/databases/3d_ali/3d_ali.doc"><strong>Documentation</strong></a>) at <a href="http://www.embl-heidelberg.de/">EMBL-Heidelberg</a> <br /> <a href="http://www.embl-heidelberg.de/aaa.html"><strong>AA Analysis</strong> </a> - Protein Identification in SwissProt and PIR using Amino Acid Composition at <a href="http://www.embl-heidelberg.de/">EMBL-Heidelberg</a> <br /> <a href="http://expasy.hcuge.ch/ch2d/aacompi.html"><strong>AA CompIdent</strong></a> - Protein Identification in SwissProt using Amino Acid Composition at <a href="http://expasy.hcuge.ch/">ExPASy</a>, Switzerland <br /> <a href="http://expasy.hcuge.ch/ch2d/aacsim.html"><strong>AA CompSim</strong></a> - Compare the Amino Acid Composition of a SwissProt Entry with Other Entries at <a href="http://