Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 3a8uX 3nuiA 3a8uX 100 87 3nuiA 87 100 FOLD SIMILARITY (Z-SCORE) 3a8uX 3nuiA 3a8uX 69.8 47.2 3nuiA 47.2 70.9