>tr|F4V6G1|F4V6G1_ECOLX Regulatory protein, ArsR family OS=Escherichia coli TA280 GN=ECNG_00688 MTELAQLQASAEQAAALLKAMSHPKRLLILCMLSGSPGTSAGELTRITGLSASATSQHLA RMRDEGLIDSQRDAQRILYSIKNEAVNAIIATLKNVYCP