PR:Q9L6N6 rhtB (SALTY) homoserine/homoserine lactone efflux protein (Salmonella enterica subsp. enterica serovar Typhimurium str. LT2) rhtB (SALTY) PR:000000001 NCBITaxon:99287 NCBIGene:1255486 UniProtKB:Q9L6N6