Protein Information Resource Home Page - Protein Sequence Database
Protein Data Bank (PDB), 3-D macromolecular structure data.
Protein Structure Quiz
The Protein Ligand Database (v1.2)
Disulfide by Design is an application for the rational design of disulfide bonds in proteins.
Protein Structure Basics
Protein-Structure Related Databases
PROTEIN TOOLS by Angelo Facchiano
The Genome Database, contains all known nucleotide and protein sequences
Phosphoprotein Database (PPDB)
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
SWISS-PROT/TrEMBL, curated protein sequences
PROSITE, biologically significant protein patterns and profiles
Yeast Protein Database
Yeast Protein Function Assignment