>8B4C_1|Chain A[auth D]|Cholera toxin transcriptional activator|Vibrio cholerae (666) MKFILAEKFTFDPLSNTLIDKEDSEEIIRLGSNESRILWLLAQRPNEVISRNDLHDFVWREQGFEVDDSSLTQAISTLRKMLKDSTKSPQYVKTVPKRGYQLIARVETV >8B4C_2|Chain B[auth L]|DNA (20-MER)|Vibrio cholerae (666) CTCAAAAAACATAAAATAAC >8B4C_3|Chain C[auth M]|DNA (20-MER)|Vibrio cholerae (666) GTTATTTTATGTTTTTTGAG