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Biochemical characterization of proteases from CS and OMVs of M. haemolytica A2 that degrade apo-BLf (zymography). Left side, reference molecular masses. (a) CS. (b) OMVs. In both CS and OMVs, the >250 kDa protease was inhibited by using PHMB or phenanthroline. Inhibited proteases are marked with an *. A result representative of five independent experiments is shown.
