>tr|A0A3S4EXM4|A0A3S4EXM4_SALET Trp operon repressor OS=Salmonella enterica subsp. enterica serovar Sanjuan GN=trpR MTQHSPYSSAIAEQRNQEWLRFVELLRQAYAEDLHLPLLQLMLTPDEREALGTRVRIIEE LLRGEMSQRELKTELGAGIATITRGSNSLKSAPVELRHWLENVLLKNA