si_0942 Multiple_Antibiotic_Resistance_MAR_locus Multiple antibiotic resistance protein MarR si_0942 Multiple_Antibiotic_Resistance_MAR_locus Multiple antibiotic resistance protein MarA si_0942 Multiple_Antibiotic_Resistance_MAR_locus Multiple antibiotic resistance protein MarB si_0942 Multiple_Antibiotic_Resistance_MAR_locus Multiple antibiotic resistance protein MarC