Protean for Mac

From DNASTAR:

Protean helps you predict and display patterns, secondary structural characteristics and physicochemical properties of protein sequences via its comprehensive suite of protein analysis tools. Protean's simple, elegant graphical user interface can also help you locate antigenic determinants and predict protease digestion patterns. When you find interesting structures, you can utilize the integrated BLAST tool* to search NCBI's databases for related sequences using all or part of your polypeptide as the query. Protean also provides you with the tools to easily annotate and export your findings as reports, pictures or tables.