Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1cshA 1pdoA 3cdhA 5uqsA 1cshA 100 39 45 98 1pdoA 40 100 25 39 3cdhA 43 49 100 45 5uqsA 98 38 26 100 FOLD SIMILARITY (Z-SCORE) 1cshA 1pdoA 3cdhA 5uqsA 1cshA 73.6 0 0 63.1 1pdoA 0 29.5 0.2 0 3cdhA 0.1 0 24.4 0 5uqsA 63.1 0 0 72.8