TABLE 1.

Proteotyping by tandem mass spectrometry of four pathogenic bacteria.

Sample	Species-specific peptides	Unique peptides (species level)	PSMs (species level)	Identified species
1	15	3,918	5,607	Bacillus cereus
2	35	5,508	7,384	Pseudomonas aeruginosa
3	202	6,334	8,521	Acinetobacter baumannii
4	115	4,460	6,636	Klebsiella aerogenes