Table 2 Comparison of the frequency of β-signal motif matches in the C-terminal 40 residues compared with the rest of the sequence of MBOMPs

P_o x G x x H_yxH_y

(4/4, 0.20, 1.6 × 10^-3)

(5/5, 0.12, 2.5 × 10^-5)

(5/5, 0.14, 5.4 × 10^-5)

(6/8, 0.17, 4.9 × 10^-4)

P_o x Gh_y x H_yxH_y

(4/4, 0.09, 6.6 × 10^-5)

(5/5, 0.09, 5.9 × 10^-6)

(5/5, 0.09, 5.9 × 10^-6)

(6/8, 0.07, 2.9 × 10^-6)

P_o H_yGh_y x H_yxH_y

(4/4, 0.07, 2.4 × 10^-5)

(4/5, 0.07, 1.1 × 10^-4)

(5/5, 0.02, 3.2 × 10^-9)

(4/8, 0.04, 1.6 × 10^-4)

P_o H_y xh_y x H_yxH_y

(4/4, 0.25, 3.9 × 10^-3)

(5/5, 0.17, 1.4 × 10^-4)

(5/5, 0.12, 2.5 × 10^-5)

(5/8, 0.12, 1.0 × 10^-3)

${\text{P}}_{\text{o}}{\text{H}}_{\text{y}}{\text{Gh}}_{\text{y}}\overline{{\text{H}}_{\text{y}}}{\text{H}}_{\text{y}}{\text{xH}}_{\text{y}}$

(4/4, 0.07, 2.4 × 10^-5)

(4/5, 0.07, 1.1 × 10^-4)

(5/5, 0.00, 0.0)

(4/8, 0.04, 1.6 × 10^-4)

${\text{P}}_{\text{o}}{\text{H}}_{\text{y}}{\text{xh}}_{\text{y}}\overline{{\text{H}}_{\text{y}}}{\text{H}}_{\text{y}}{\text{xH}}_{\text{y}}$

(4/4, 0.21, 1.9 × 10^-3)

(5/5, 0.17, 1.4 × 10^-4)

(5/5, 0.08, 3.3 × 10^-6)

(5/8, 0.12, 1.0 × 10^-3)

$\overline{{\text{H}}_{\text{y}}}{\text{H}}_{\text{y}}{\text{Gh}}_{\text{y}}{\text{ x H}}_{\text{y}}{\text{xH}}_{\text{y}}$

(4/4, 0.11, 1.5 × 10^-4)

(4/5, 0.07, 1.1 × 10^-4)

(5/5, 0.02, 3.2 × 10^-9)

(7/8, 0.04, 1.3 × 10^-9)

$\overline{{\text{H}}_{\text{y}}}{\text{H}}_{\text{y}}{\text{xh}}_{\text{y}}{\text{ x H}}_{\text{y}}{\text{xH}}_{\text{y}}$

(4/4, 0.37, 1.9 × 10^-2)

(5/5, 0.23, 6.4 × 10^-4)

(5/5, 0.22, 5.2 × 10^-4)

(8/8, 0.18, 1.1 × 10^-6)

$\overline{{\text{H}}_{\text{y}}}{\text{H}}_{\text{y}}{\text{Gh}}_{\text{y}}{\text{xH}}_{\text{y}}{\text{xH}}_{\text{y}}$

(4/4, 0.11, 1.5 × 10^-4)

(4/5, 0.07, 1.1 × 10^-4)

(5/5, 0.00, 0.0)

(7/8, 0.04, 1.3 × 10^-9)

$\overline{{\text{H}}_{\text{y}}}{\text{H}}_{\text{y}}{\text{xh}}_{\text{y}}\overline{{\text{H}}_{\text{y}}}{\text{H}}_{\text{y}}{\text{xH}}_{\text{y}}$

(4/4, 0.33, 1.2 × 10^-2)

(5/5, 0.23, 6.4 × 10^-4)

(5/5, 0.20, 3.2 × 10^-4)

(8/8, 0.16, 4.3 × 10^-7)