>8B4D_1|Chains A[auth B], B[auth C], C[auth D]|Cholera toxin transcriptional activator|Vibrio cholerae (666) MKFILAEKFTFDPLSNTLIDKEDSEEIIRLGSNESRILWLLAQRPNEVISRNDLHDFVWREQGFEVDDSSLTQAISTLRKMLKDSTKSPQYVKTVPKRGYQLIARVETV >8B4D_2|Chain D[auth L]|DNA (40-MER)|Vibrio cholerae (666) CCAAAAAACATAAAATAACATGAGTTACTTTATGTTTTTC >8B4D_3|Chain E[auth M]|DNA (40-MER)|Vibrio cholerae (666) GAAAAACATAAAGTAACTCATGTTATTTTATGTTTTTTGG