Table 2.

Percentage sequence identity

	Binding domain α7 Zebrafish	14 Antagonist interaction sites α7 Zebrafish	4 MLA specific sites α7 Zebrafish	Binding domain α3 Goldfish	Binding domain β2 Goldfish	Binding domain β4 Goldfish
Human	83.0	78.6	50	79.8	77.8	75.6
Rat	82.5	78.6	50	77.9	77.3	74.6
Mouse	82.5	78.6	50	77.9	77.3	74.6
Chick	82.5	100	100	78.4	78.4	79.9
Zebrafish	100	100	100	99.0	96.4	100
Pufferfish	___	___	___	___	___	91.4

Cysteines: α7 at 190, 191 (Hansen et al. 2005); α3 at 192, 193 (Cauley et al. 1990; Hieber et al. 1990a); β2 at 130, 144 (Heiber et al. 1990b); β4 at 130, 144 (XP 696993, NCBI database).