>tr|A0A0E0XWY0|A0A0E0XWY0_ECO1C Transcriptional repressor RcnR to maintain nickel and cobalt homeostasis OS=Escherichia coli O104:H4 GN=O3K_08920 MSHTIRDKQKLKARASKIQGQVVALKKMLDEPHECAAVLQQIAAIRGAVNGLMREVIKGH LTEHIVHQGDELKREEDLDVVLKVLDSYIK