>tr|A0A0V9H2V0|A0A0V9H2V0_ECOLX Transcriptional regulator HosA OS=Escherichia coli GN=mexR MALRNKAFHQLRQLFQQHTARWQHELPDLTKPQYAVMRAIADKPGIEQVALIEAAVSTKA TLAEMLARMENRGLVRREHDAADKRRRFVWLTAEGEKVLAAAIPIGDSVDEEFLGRLSAE EQELFMQLVRKMMNT