Societies and associations

• ASMS - American Society for Mass Spectrometry
• AACR - American Association for Cancer Research
• ACS - American Chemical Society
• SOT - Society of Toxicology
• Sigma Xi

Protein Database and tools

• ExPASy - protein database and many useful tools
• EBI - European Bioinformatics Institute, Protein and Genetic Tools
• PIR-PSD - Protein Information Resource, Annotated protein sequences
• PROWOL at Rockefeller , Database search and tools
• NCBI - National Center for Biotechnology Information, Database and tools at NIH

Other links

• PRIME - Michigan Proteome Research Data Platform
• ProteomeCommons, MS & Proteomics Tools