>sp|Q31SU5|TRPR_SHIBS Trp operon repressor OS=Shigella boydii serotype 4 GN=trpR MAQQSPYSAAMAEQRHQEWLRFVDLLKNAYQNDLHLPLLNLMLTPDEREALGTRVRIVEE LLRGEMSQRELKNELGAGIATITRGSNSLKAAPVELRQWLEEVLLKSD