>1DDN_1|Chain A[auth E]|33 BASE DNA CONTAINING TOXIN OPERATOR|
ATATAATTAGGATAGCTTTACCTAATTATTTTA
>1DDN_2|Chain B[auth F]|33 BASE DNA CONTAINING TOXIN OPERATOR|
TTAAAATAATTAGGTAAAGCTATCCTAATTATA
>1DDN_3|Chains C[auth A], D[auth B], E[auth C], F[auth D]|DIPHTHERIA TOX REPRESSOR|Corynebacterium diphtheriae (1717)
MKDLVDTTEMYLRTIYELEEEGVTPLRARIAERLEQSGPTVSQTVARMERDGLVVVASDRSLQMTPTGRTLATAVMRKHRLAERLLTDIIGLDINKVHDEADRWEHVMSDEVERRLVKVLKDVSRSPFGNPIPGLDELGVGNSDAAAPGTRVIDAATSMPRKVRIVQINEIFQVETDQFTQLLDADIRVGSEVEIVDRDGHITLSHNGKDVELLDDLAHTIRIEEL