Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 2qmaA 5o5cA 2qmaA 100 100 5o5cA 87 100 FOLD SIMILARITY (Z-SCORE) 2qmaA 5o5cA 2qmaA 66.5 39.5 5o5cA 54.8 69.9