>4HF0_1|Chains A, B|HTH-type transcriptional regulator IscR|Escherichia coli (83333) MRLTSKGRYAVTAMLDVALNSEAGPVPLADISERQGISLSYLEQLFSRLRKNGLVSSVRGPGGGYLLGKDASSIAVGEVISAVDESVDATRAQGKGGAQGGDKALTHALWRDLSDRLTGFLNNITLGELVNNQGGHHHHHH