Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1wpbA 3k4tA 3k4tB 3spcA 5yuaA 1wpbA 100 0 0 2 40 3k4tA 0 100 99 3 3 3k4tB 0 99 100 0 0 3spcA 0 0 0 100 62 5yuaA 40 0 12 63 100 FOLD SIMILARITY (Z-SCORE) 1wpbA 3k4tA 3k4tB 3spcA 5yuaA 1wpbA 25.2 0 0 1.1 2.1 3k4tA 0 7.4 6 0 0 3k4tB 0 6 7.5 0 0 3spcA 0 0 0 38.9 8.9 5yuaA 2.1 0 1.1 7 27.9