Table 3.

A. Ribosomal proteins from SPA-S12 pull-downs performed in polysome-free (PDE) mid-log and stationary phase lysates
			Midlog			Stationary
Acession	Protein	Unique	Matched	% Seq.	Unique	Matched	% Seq.
	Name	Peptides	Spectra	Cov.	Peptides	Spectra	Cov.
P0AG67	S1	26	176	50.8	42	417	93.7
P0A7V8	S4	16	142	58.7	15	190	68.9
P0A7V3	S3		**		11	143	56.2
P0A7W1	S5	12	114	82.6	12	323	41.7
P02358	S6	8	80	62.9	6	24	61.5
P02359	S7	15	147	69.8	14	240	60.8
P0A7W7	S8	8	82	67.7	10	170	79
P0A7X3	S9	6	58	42.3	8	133	48.4
P0A7R5	S10	5	31	43.7	9	114	53.4
P0A7R9	S11	7	29	79.8	5	56	50
P0A7S3	S12	6	71	24.2	8	96	55.6
P0A7S9	S13	9	60	61	9	92	67.8
P0ADZ4	S15	8	90	68.5	8	36	60
P0A7T7	S18	5	63	50.6	5	99	50.6
P0A7U7	S20	4	22	55.2		**

B. Candidate S12 binders from polysome-free (PDE) mid-log and stationary
			Midlog			Sationary
Acession	Protein Name	Unique	Matched	% Seq.	Unique	Matched	% Seq.
		Peptides	Spectra	Cov.	Peptides	Spectra	Cov.
P0AEI4	MiaB like Methyltransferase RimO	9	34	24.3		**
P75838	uncharacterized ycaO	21	237	44.3	13	103	24.5
P76116	uncharacterized yncE	10	44	38.8	4	11	18.4
P33355	uncharacterized yehS	7	22	50		**
P0AF93	uncharacterized yjgf	7	52	77.4	8	32	69.5
P0CE47	Elongation factor Tu	34	1370	84.5		**
P0A6P1	Elongation factor Ts	16	52	55.8		**
P0A6M8	Elongation factor G	43	482	73	25	131	53.8
P0A6N4	Elongation factor P	5	17	26		**
P21499	RNaseR	22	67	41.2	31	145	50.5
P0A6X3	Hfq-1	7	25	54	5	20	44
P0A805	Ribosome Recycling Factor	6	21	47	5	12	35.7
P0A8A8	Ribosome maturation factor rimP	6	40	33	6	80	35.3

^**Protein was either not detected at all or was below the baseline level.