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(A) Sodium dodecyl sulfate-polyacrylamide gel electrophoresis of purified, octahistidyl-tagged EncP. Lane 1, molecular size markers (kDa); lane 2, His8-EncP (calculated molecular mass is 58.7 kDa). (B) pH dependence on the rate of trans-cinnamic acid formation from l-phenylalanine by EncP.
