Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1enoA 1njhA 3ucxA 4troA 5z2lA 1enoA 100 0 77 77 76 1njhA 59 100 41 48 40 3ucxA 77 33 100 80 79 4troA 77 41 80 100 100 5z2lA 78 36 79 76 100 FOLD SIMILARITY (Z-SCORE) 1enoA 1njhA 3ucxA 4troA 5z2lA 1enoA 52.4 0 26.6 30.3 25.8 1njhA 0 25.4 0 0 0 3ucxA 26.6 0 48.2 28.4 28.6 4troA 30.3 0 28.4 50.5 16.2 5z2lA 25.3 0 28.6 27.4 46.4