mass spectrometry assay peptide mass fingerprinting assay A mass spectrometry assay that measures the absolute mass of the cleaved peptides derived from an unknown protein of interest. These masses are then compared to values for known protein sequences to identify the unknown protein. Chris Stoeckert ERO:0001668 Janos Demeter PMF https://sourceforge.net/p/obi/obi-terms/725/ protein fingerprinting url:http://en.wikipedia.org/wiki/Peptide_mass_fingerprinting peptide mass fingerprinting assay metadata complete