ExPASy
From Opengenome.net
ExPASy (Expert Protein Analysis System)
The ExPASy (Expert Protein Analysis System) proteomics server of the Swiss Institute of Bioinformatics (SIB) is dedicated to the analysis of protein sequences and structures as well as 2-D PAGE (Disclaimer / References).
http://biocc.ngic.re.kr/Biopedia/Biowiki/images/thumb/0/00/Expasy.JPG/750px-Expasy.JPG