>sp|Q8FA42|TRPR_ECOL6 Trp operon repressor OS=Escherichia coli O6:H1 GN=trpR MAQQSPYSAAMAEQRHQEWLRFVDLLKNAYQNDLHLPLLNLMLTPDEREALGTRVRIVEE LLRGEMSQRELKNELGAGIATITRGSNSLKAAPVELRQWLEDVLLKSD