RCSB has put goether a PDB Comparison Tool Widget .
I put in 2K9G and 1ZLM, two SH3 domains. Used chain A for both and blast2seq as comparison algorithm (there are several choices), and these are my results. I’m not promising any biological significance to my choices and results, but the widget works nicely and simply. I can see it as a nice addition to someone’s homepage.
Which got me to thinking, there must be other widgets out there for embedding into web sites. I found this Ontology one, anyone else know of any? Perhaps I can put together a widget page! for fun.