>tr|E6BJB4|E6BJB4_ECOLX Trp operon repressor OS=Escherichia coli MS 85-1 GN=trpR MAQQSPYSAAMAEQRHQEWLRFVDLLKNAYQNDLHLPLLNLMLTPDEREALGTRVRIVEE LLRGEMSQRELKNELGAGIATITRGSNSLKAAPVELRQWLEEVLLKSD