Table 1. Top three most similar proteins to human CD46 in the Xenopus laevis genome.

	Protein name	Query coverage	Percent identity	E-value
1	Amphibian Regulator of Complement Activation 3 (aRCA3)	64%	34.77%	three × 10−41
2	Complement Receptor Type 2	70%	31.77%	four × 10−35
3	Complement Component 4 Binding Protein	76%	31.17%	four × 10−35