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Figure S8. Characterization of PPACK-FSAP. (A) PPACK-FSAP and FSAP were run on SDS-PAGE under reducing and nonreducing conditions as indicated, and the gel was stained with Coomassie blue. (B) FSAP (filled circles) and PPACK-FSAP (open circles), both at 3 µg/ml, were tested for activity with the chromogenic substrate as described in Materials and methods.