>sp|Q3YU01|TRPR_SHISS Trp operon repressor OS=Shigella sonnei GN=trpR MAQQSPYSAAMAEQRHQEWLRFVDLLKNAYQNDLHLPLLNLMLTPDEREALGTRVRIVEE LLRGEMSQRELKNELGAGIATITRGSNSLKAAPVELRQWLEEVLLKSD