>sp|Q57G28|TRPR_SALCH Trp operon repressor OS=Salmonella choleraesuis GN=trpR MTQHSPYSSAIAEQRNQEWLRFVELLRQAYAEDLHLPLLQLMLTPDEREALGTRVRIIEE LLRGEMSQRELKTELGAGIATITRGSNSLKSAPVELRHWLEQILLKSA