Figure 2From: Rapid identification and typing of Yersinia pestis and other Yersinia species by matrix-assisted laser desorption/ionization time-of-flight (MALDI-TOF) mass spectrometryPseudo-gel representing the protein profile obtained after MALDI-TOF-MS analysis of Y. pestis organisms representative of the Antiqua, Medievalis and Orientalis biotypes. arb.u., arbitrary unit - transcription for arbitrary intensity in the Bruker software; sp# is the numbers of the spectrum.Back to article page