Deduced amino acid sequences of the dtxR alleles. Amino acids are shown only where changes were identified; amino acids identical to the consensus sequence are indicated by dots. The numbers on the left at the beginning of the sequences represent the different variants of the DtxR protein. (a) 95/392, 95/421, 95/12, 95/357, 95/313, 95/329; (b) 95/211, 95/212; (c) 95/343, 95/282, 95/311, 95/454, 95/476, 95/312, 95/411, 95/475, 95/395, 95/390, 95/451, 95/409, 95/22, 95/403, 92/100 (strain from Australia).