Table 1

Proteins identified in the first trypsin digest with and without a sodium carbonate wash step.

Protein type

Sample Group


HPLC grade water wash

Sodium Carbonate wash


Incl 1 peptide

>1 peptide

Incl 1 peptide

>1 peptide


All types

301

198

233

142


Non-membrane

253

168

134

81


Membrane-associated

48

30

99

61


OMP

26

14

54

42


% Non-membrane

84%

85%

58%

57%


% Membrane-assoc.

16%

15%

42%

43%


% OMP

9%

7%

23%

29%


Chooneea et al. BMC Microbiology 2010 10:44   doi:10.1186/1471-2180-10-44

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