Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1twfB 1twfJ 5xogB 5xogJ 1twfB 100 0 97 0 1twfJ 0 100 0 78 5xogB 97 0 100 0 5xogJ 0 78 0 100 FOLD SIMILARITY (Z-SCORE) 1twfB 1twfJ 5xogB 5xogJ 1twfB 56.4 0 40.4 0 1twfJ 0.5 14.9 0 12.7 5xogB 40.4 0 59.7 0 5xogJ 1 12.7 0 14.5