Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 1whsA 3a8uX 1whsA 100 84 3a8uX 87 100 FOLD SIMILARITY (Z-SCORE) 1whsA 3a8uX 1whsA 41.4 1.4 3a8uX 1.3 69.8