Table 2.

Theoretical biomarker masses predicted by the genome sequence of C. fetus reference strain LMG 6442 (NCTC 10842) under consideration of possible posttranslational modifications

Biomarker	[-Met M + H+]	[-Met mM + H+]	[-Met + PO4 M + H+]	[M + H+]	[fM + H+]
L36	4197	4211	4277	4332	4360
L34	5083	5097	5163	5218	5246
L32-M	5527	5541	5607	5662	5690
L33-M	6202	6216	6282	6337	6365
S14-M	6725	6739	6805	6860	6888
L29	6759	6773	6839	6894	6922
L24-M	8023	8037	8103	8158	8186
S20-M	9738	9752	9818	9873	9901
S19-M	10,274	10,288	10,354	10,409	10,437

[-Met mM + H^+] = methylated mass - demethioninated form.

[-Met +PO4 M + H⁺] = phosphorylated mass - demethioninated form.

[M + H⁺] = unmodified mass.

[fM + H⁺] = formylated mass.