Table 4.

Summary of the 23 universal stress proteins identified by MS/MS.

Locus name	Gene name	Protein description	Total # peptides		OD 0.7/1.2
			OD 0.7	OD 1.2
pNG7373	usp25	Universal stress protein	0	10	0.00
pNG7142	usp31	Universal stress protein	0	8	0.00
rrnAC2359	usp16	Universal stress protein	0	2	0.00
rrnB0291	usp27	Universal stress protein	0	2	0.00
rrnAC3171	usp19	Universal stress protein	2	11	0.18
rrnAC3225	usp22	Universal stress protein	3	12	0.25
rrnAC2000	usp9	Universal stress protein family	3	11	0.27
rrnAC3395	usp24	Universal stress protein family	10	30	0.33
rrnAC3508	usp7	Universal stress protein	1	3	0.33
rrnAC0716	usp6	Universal stress protein	3	8	0.38
rrnAC0758	usp17	Universal stress protein	7	12	0.58
rrnAC2809	usp21	Universal stress protein	3	5	0.60
rrnAC0738	usp29	Universal stress protein	5	8	0.63
rrnAC3125	usp33	Universal stress protein	31	45	0.69
rrnAC3460	usp26	Universal stress protein	16	23	0.70
rrnAC0402	usp15	Universal stress protein	8	9	0.89
pNG5052	usp8	Universal stress protein	12	13	0.92
pNG7139	usp13	Universal stress protein	8	7	1.14
rrnAC1404	usp28	Universal stress protein	37	31	1.19
rrnAC2223	usp2	Universal stress protein family	6	5	1.20
pNG7083	usp23	Putative universal stress protein family	4	3	1.33
rrnAC2220	usp5	Universal stress protein	9	6	1.50
rrnB0192	usp1	Universal stress protein 1	10	2	5.00

^*Ratios of proteins with higher spectral counts in OD₆₀₀ 1.2 are shaded and rows with more than 3-fold difference are bolded.