si_0747 Rrf2_family_transcriptional_regulators Nitrite-sensitive transcriptional repressor NsrR si_0747 Rrf2_family_transcriptional_regulators Iron-responsive repressor RirA si_0747 Rrf2_family_transcriptional_regulators Iron-sulfur cluster regulator IscR si_0747 Rrf2_family_transcriptional_regulators Predicted transcriptional regulator of sulfate adenylyltransferase, Rrf2 family si_0747 Rrf2_family_transcriptional_regulators Predicted transcriptional regulator of sulfate transport, Rrf2 family si_0747 Rrf2_family_transcriptional_regulators Hmc operon transcriptional regulator Rrf2 si_0747 Rrf2_family_transcriptional_regulators Predicted transcriptional regulator of 4-carboxymuconolactone decarboxylase, Rrf2 family si_0747 Rrf2_family_transcriptional_regulators Rrf2 family transcriptional regulator si_0747 Rrf2_family_transcriptional_regulators Predicted transcriptional regulator of NADH dehydrogenase, Rrf2 family si_0747 Rrf2_family_transcriptional_regulators Predicted transcriptional regulator of cysteine synthase, Rrf2 family si_0747 Rrf2_family_transcriptional_regulators Rrf2 family transcriptional regulator, group III