The ExPASy (Expert Protein Analysis System) proteomics server of the Swiss Institute of Bioinformatics (SIB) carry out the analysis of protein sequences and structures as well as 2-D PAGE (Disclaimer / References / Linking to ExPASy)
The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. This database provides thermochemical, thermo-physical, and ion energetics data on over 40,000 compounds.
SRS is the Environmental Protection Agency's central system for information about substances that are tracked/regulated by EPA or other sources. It is the authoritative resource for basic information about chemicals, biological organisms, and other substances of interest.