Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1oscA 2inuA 2zfhA 2zfhB 2zfhC 5ax6A 1oscA 100 21 98 99 100 0 2inuA 0 100 0 0 0 72 2zfhA 98 19 100 99 98 0 2zfhB 99 23 99 100 99 0 2zfhC 100 30 98 99 100 0 5ax6A 47 52 51 52 47 100 FOLD SIMILARITY (Z-SCORE) 1oscA 2inuA 2zfhA 2zfhB 2zfhC 5ax6A 1oscA 23.4 0 21.1 21.2 21.1 0 2inuA 0 72.4 0 0 0 0 2zfhA 21.1 0 23.4 21.6 21.5 0 2zfhB 21.2 0 21.6 23.2 21.8 0 2zfhC 21.1 0 21.5 21.8 23.1 0 5ax6A 0.3 0 0.3 0.3 0.5 43.6