Table 1.

Amidinated peptides from the N-termini of proteins

No.	Pre	Peptide	Post	Accession	Protein	Subcellular Location	Spectral counts	Amidinated
1	M	PIITDVYAR	E	P99088	Enolase	Extracellular/Cell surface/cytoplasm	130	104
2	M	TKSALVTGASR	G	P99093	3-oxoacyl-[acyl-carrier-protein] reductase FabG	Cytoplasm/Extracellular/Cell surface	3	3
3	M	SNNFKDDFEKNR	Q	Q7A5I6	Elastin-binding protein EbpS	Membrane	2	2
4	M	PTEDTTMFDQVAEVIER	L	A0A0H3JM38	SA0797 protein	Predicted Cytoplasm/membrane	2	2
5	M	AVNLYDYANQLEQALR	E	Q7A4V3	UPF0342 protein SA1663	Cytoplasm/membrane	12	12
6	M	AVFKVFYQHNR	D	Q99V08	UPF0356 protein SA0941	Cytoplasm/membrane	2	2
7	M	AVPNELKY	S	P64214	Glycine cleavage system H protein	Cytoplasm/membrane	7	7
8	M	KKVVNLIMTKER	R	A0A0H3JKT7	Probable transposase	Unknown	2	2
9	M	TVDNNKAKQAYDNQTGVNEKER	E	P99157	Alkaline shock protein 23, ASP23	Unknown	13	13
10	M	PIVNVKLLEGR	S	P99132	Probable tautomerase SA1195.1	Cytoplasm	16	16
11	-	MEQNSYVIIDETGIHAR	P	P99143	Phosphocarrier protein HPr	Cytoplasm	121	9
12	M	EQNSYVIIDETGIHAR	P	P99143	Phosphocarrier protein HPr	Cytoplasm	19	12
13	M	ATISAKLVKELR	K	P99171	Elongation factor Ts	Cytoplasm	2	2
14	M	ENFDKVKDIIVDR	L	P0A002	Acyl carrier protein	Cytoplasm	10	9
15	-	MEAKAVAR	T	Q7A460	Ribosomal protein L22	Cytoplasm	2	2
16	M	EAKAVAR	T	Q7A460	Ribosomal protein L22	Cytoplasm	2	2
17	M	SAIIEAKKQLVDEIAEVLSNSVSTVIVDYR	G	P99155	Ribosomal protein L10	Cytoplasm	27	25
18	M	PTINQLVR	K	P0A0G8	Ribosomal protein S12	Cytoplasm	10	8
19	M	GQKINPIGLR	V	P66553	Ribosomal protein S3	Cytoplasm	24	24
20	-	MKLHELKPAEGSR	K	P0A0F6	Ribosomal Protein L15	Cytoplasm	2	2
21	M	KLHELKPAEGSR	K	P0A0F6	Ribosomal protein L15	Cytoplasm	29	2
22	M	TNHKLIEAVTKSQLR	T	P66083	Ribosomal protein L19	Cytoplasm	2	2
23	M	AISQER	K	Q7A5X8	Ribosomal protein S15	Cytoplasm	4	4
24	M	AIKKYKPITNGR	R	P60432	Ribosomal protein L2	Cytoplasm	21	19
25	M	PKMKTHR	G	P66276	Ribosomal protein L35	Cytoplasm	5	5
26	M	TKGILGR	K	P60449	Ribosomal protein L3	Cytoplasm	12	12
27	M	TMTDPIADMLTR	V	P66630	Ribosomal protein S8	Cytoplasm	16	16
28	M	AQVEYR	G	P66646	Ribosomal protein S9	Cytoplasm	5	5
29	M	ANHEQIIEAIK	E	P99154	Ribosomal protein L7/L12	Cytoplasm	3	3
30	M	AVKVAINGFGR	I	P99136	Glyceraldehyde-3-phosphate dehydrogenase 1	Cytoplasm	11	8
31	MA	VKVAINGFGR	I	P99136	Glyceraldehyde-3-phosphate dehydrogenase 1	Cytoplasm	6	2
32	M	AVISMKQLLEAGVHFGHQTR	R	P66544	Ribosomal protein S2	Cytoplasm	19	19
33	MA	VISMKQLLEAGVHFGHQTR	R	P66544	Ribosomal protein S2	Cytoplasm	2	2
34	M	AKLQITLTR	S	P0A0G0	Ribosomal protein L30	Cytoplasm	16	10
35	MA	KLQITLTR	S	P0A0G0	Ribosomal protein L30	Cytoplasm	71	27
36	MA	SLKSIIR	Q	Q7A7B3	Ribosomal protein L25	Cytoplasm	3	3