FIG. 4.

Alignment of the deduced amino acid sequences. The amino acid alignment was generated as described in the text with some manual adjustment. The isolate from which a sequence was obtained is indicated at the left. Some previously determined sequences (6, 8, 20, 25) were included in the alignment, and the corresponding protein names are indicated on the left. Repeat motifs are indicated by boldface. In cases where the repeats are tandem, alternating copies are indicated by italics and underlining. Mismatches among the repeat elements are indicated by lowercase letters.