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Substrate specificity of human metallocarboxypeptidase D: Comparison of the two active carboxypeptidase domains

Fig 3

Effect of pH on the activity of different recombinant CPD forms.

(A) Effect of pH on rhCPD and (B) single point mutants using 200 μM dansyl-Phe-Ala-Arg in a Tris-acetate buffer at the indicated pH for 60 min at 37°C. The activity represented is the average of three independent measures with less than a 10% of variation, expressed as a percentage of the maximal activity, observed at optimal pH.

Fig 3

doi: https://doi.org/10.1371/journal.pone.0187778.g003