>sp|B7MNK2|TRPR_ECO45 Trp operon repressor OS=Escherichia coli O45:K1 GN=trpR MAQQSPYSAAMAEQRHQEWLRFVDLLKNAYQNDLHLPLLNLMLTPDEREALGTRVRIVEE LLRGEMSQRELKNELGAGIATITRGSNSLKAAPVELRQWLEDVLLKSD