Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 1mxsA 1wa3A 2c0aA 1mxsA 100 72 78 1wa3A 72 100 74 2c0aA 78 74 100 FOLD SIMILARITY (Z-SCORE) 1mxsA 1wa3A 2c0aA 1mxsA 43.5 28.4 34 1wa3A 28.4 42.5 29.3 2c0aA 34 29.3 44