... acids1–36), we retained amino acid 36, an alanine, ratherthan using amino acid 37, a lysine, because it isknown that, after a post-translational processing of theN-terminal methionine, which often ... pro-tyrosinase tyrosinase constructs (Fig. 2B, C)produced a black pigment when streaked onto M9agar plates containing tyrosine and copper, whereas a strain lacking a tyrosinase construct remained ... compilation ª 2010 FEBS 2089Role of the C-terminal extension in a bacterial tyrosinaseMichael Fairhead and Linda Tho¨ny-MeyerEMPA, Swiss Federal Laboratories for Materials Testing and Research,...