>sp|Q0SX19|TRPR_SHIF8 Trp operon repressor OS=Shigella flexneri serotype 5b GN=trpR MAQQSPYSAAMAEQRHQEWLRFVDLLKNAYQNDLHLPLLNLMLTPDEREALGTRVRIVEE LLRGEMSQRELKNELGAGIATITRGSNSLKAAPVELRQWLEEVLLKSD