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Domain organization of the Haemophilus influenzae biogroup aegyptius trimeric autotransporter adhesins TabA1/TahA1 and TabA2/TahA2, showing differences in passenger domain sequence motifs. Purple, C-terminal translocator domain; red, hemagglutinin domains; green, Hap_Hag domains; orange, degenerate repeats; blue, N terminal signal peptide.
