Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 1o5oA 1v9sA 3c6xA 1o5oA 100 86 49 1v9sA 88 100 73 3c6xA 51 60 100 FOLD SIMILARITY (Z-SCORE) 1o5oA 1v9sA 3c6xA 1o5oA 41.1 30.7 1.3 1v9sA 30.7 38.6 0.1 3c6xA 1.3 0.2 50.6