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SDS-PAGE gel (12.5% polyacrylamide) of Sarkosyl-insoluble outer membrane fractions. Lane 1, F470 (parent); lane 2, CWG303 (waaG); lane 3, CWG296 (waaP). Molecular mass markers (in kilodaltons) are indicated to the left of the gel, and major proteins are labeled on the right.
