>tr|A0A0E1SRR5|A0A0E1SRR5_ECOLX Transcriptional regulator, ArsR family OS=Escherichia coli 53638 GN=Ec53638_3275 MTELAQLQASAEQAAALLKAMSHPKRLLILCMLSGSPGTSAGELTRITGLSASATSQHLA RMRDEGLIDSQRDAQRILYSIKNEAVNAIIATLKNVYCP