Table 2 Identified proteins in the muscle lysates of the vastus lateralis of patients with COPD and in control subjects

Study subjects	Identified nitrated proteins	Accession No	Mass	MASCOT score	Peptide matched
Ctl and COPD pre and post	Muscle specific enolase 3β	gi/16878083	47 244	129	7
Ctl and COPD pre and post	Aldolase A	gi/229674	39 720	116	4
Ctl and COPD pre and post	Chain A, triosephosphate isomerase	gi/999892	26 807	145	7
Ctl and COPD pre and post	Muscle creatine kinase	gi/119577741	45 971	187	16
Ctl and COPD pre and post	Carbonic anhydrase III	gi/224979	29 707	145	8
Ctl and COPD pre and post	Myoglobin	gi/229361	17 099	101	14
Ctl and COPD pre and post	Uracil DNA glycosylase	gi/35053	35 698	99	7
Only FFMI_L COPD post	Alpha-1 actin precursor	gi/4501881	42 366	107	9

Ctl, control; COPD, chronic obstructive pulmonary disease; FFMI_L, patients with a low fat free mass index; post, after the 3 week endurance exercise programme; pre, before the 3 week endurance exercise programme.