Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 3b7cA 3hzpA 3b7cA 100 46 3hzpA 46 100 FOLD SIMILARITY (Z-SCORE) 3b7cA 3hzpA 3b7cA 27 13.1 3hzpA 13.1 28