Table I. TCUP classification accuracy averages on cultures of four bacterial species (numbers are averages from three technical replicates).

	E. coli	P. aeruginosa	S. aureus	S. pneumoniae
No. of peptides	4132	3964	3707	5043
Proportion of discriminative peptides (%)	11.13	44.51	22.48	11.05
Proportion of peptides discriminative to the correct species (%)	10.00	43.85	21.98	9.99
True positive rate (%)	90.3	98.5	97.5	90.3