Within NIH

NIH mass spectrometry interest group (MSIG)

NIH proteomics interest group (ProtIG)

NIH structural biology interest group (SBIG)

NIH special interest group page (SIG)

Neuroscience at NIH

Mass spectrometry interest group of the NCI at Frederick

National Center for Biotechnology Information (NCBI)

     Outside NIH

Washington Baltimore mass spectrometry discussion group

American Society for Mass Spectrometry (ASMS)

The Proteome Society

I-mass.com- collection of mass spectrometry web resources

Mascot, a search engine which uses mass spectrometry data to identify proteins from primary sequence databases