Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 5o3uB 5o3uM 5o3wB 5o3wX 5o3uB 100 0 100 0 5o3uM 0 0 0 0 5o3wB 0 0 0 0 5o3wX 0 0 0 0 FOLD SIMILARITY (Z-SCORE) 5o3uB 5o3uM 5o3wB 5o3wX 5o3uB 67.5 0 54.6 0 5o3uM 0 0 0 0 5o3wB 0 0 0 0 5o3wX 0 0 0 0