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Comparative proteomics of the cell wall fractions from BI07-PBS and BI07-FE and the crude fecal protein extract from subject 1. Numbered spots were analyzed by MALDI-TOF MS: protein spots 1 to 6 were specific for the crude fecal protein fraction and detected in the cell wall fraction from BI07-FE; protein spots 7 to 10 were detected only in the fecal protein fraction. The two-dimensional gel regions where plasminogen spots were identified are magnified in the insets.
