. 2009 Apr;1(1):115–120.

Table 2.

The most reproducible peaks of the mass spectra of laboratory H. pylori J99 and H. pylori ATCC 26695 strains. Peaks, which are suggested to correspond to ribosomal proteins, are displayed in bold type

H. pylori J99		H. pylori ATCC 26695		M1 (Dа)	Ion types2	Description
№	M (m/z)	№	M (m/z)	M1 (Dа)	Ion types2	Description
1	4322	1	4322	4320	M+H⁺	RL36
2	5247	2	5247	5246	M+H⁺	RL34
3	5517			5515	M+H⁺	RL32
		3	5530	5529	M+H⁺	RL32
4	5541	4	5541
5	6068	5	6068	6066	M+H⁺	RL33
6	6799	6	6799	6798³	M+H⁺	RL28
7	6912	7	6912
8	6947	8	6947	6946	M+H⁺	Hpn⁴
9	7130	9	7130	7129³	M+H⁺	RL35
10	7654	10	7654	7652	M+H⁺	RL31
		11	7684	7683	M+H⁺	RL29
11	7753			7752	M+H⁺	RL29
		12	7906	7905	M+H⁺	RL24
12	7917			7915	M+H⁺	RL24
13	8484	13	8484	8482	M+H⁺	RS21
		14	8657
14	8972			8971	M+H⁺	RS16
		15	8986	8985	M+H⁺	RS16
		16	9114
15	9129
16	10067	17	10067	10065	M+H⁺	RS20
17	10260	18	10260
		19	10384
18	10414
19	10450	20	10450	10448	M+H⁺	RS18
		21	10544	10543	M+H⁺	RS19
20	10557

¹ Protein mass annotated in the SwissProt/TrEMBL databases

² Ion types are indicated only for peaks that correspond to certain proteins

³ Protein mass with loss of N-tail methionine

⁴ Histidine-rich metal-binding polypeptide (Hpn), which is known to bind Ni²⁺ and Zn²⁺, but its function in the bacterial cell's vital activity is still unclear [14].