Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1svfA 3h7xA 3h7xB 3h7xC 1svfA 100 7 6 6 3h7xA 12 100 2 2 3h7xB 12 2 100 2 3h7xC 14 2 2 100 FOLD SIMILARITY (Z-SCORE) 1svfA 3h7xA 3h7xB 3h7xC 1svfA 7.7 5.3 5.1 5.2 3h7xA 5.3 7.2 5.5 5.4 3h7xB 5 5.3 6.9 5.7 3h7xC 5.2 5.4 5.7 7