>sp|A1AJW2|TRPR_ECOK1 Trp operon repressor OS=Escherichia coli O1:K1 / APEC GN=trpR MAQQSPYSAAMAEQRHQEWLRFVDLLKNAYQNDLHLPLLNLMLTPDEREALGTRVRIVEE LLRGEMSQRELKNELGAGIATITRGSNSLKAAPVELRQWLEDVLLKSD