TABLE 5.

Quality of MS-MS spectra analyzed in this study

Species	Strain	Protein(s)	Table	Intensity threshold (%)	No. of MS-MS ionsa	MS-MS quality
C. upsaliensis	RM3195	Thioredoxin	1	2	52	Excellent
C. upsaliensis	RM3195	50S L7/L12 ribosomal protein	2	2	56	Excellent
C. upsaliensis	RM3195	10-kDa chaperonin	S1b	2	79	Excellent
C. upsaliensis	RM3195	4-Oxalocrotonate tautomerase (DmpI)-related protein	S2b	6	25	Poor
C. upsaliensis	RM3195	DUF-465	S3b	6	27	Fair
C. lari	RM2100	Thioredoxin	3	4	69	Fair
C. lari	RM2100	DNA-binding protein HU	S4b	10	60	Poor
C. lari	RM2100	10-kDa chaperonin and cytochrome c	S5b	4	52	Fair
C. coli	RM2228	DUF-465	4	4	40	Good
C. coli	RM2228	4-Oxalocrotonate tautomerase (DmpI)-related protein	S6b	4	57	Poor

^aNumber of MS-MS ions whose relative intensity exceeds the intensity threshold.

^bSee the supplemental material.