Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 2v8tA 5h5xA 2v8tA 100 24 5h5xA 31 100 FOLD SIMILARITY (Z-SCORE) 2v8tA 5h5xA 2v8tA 51.1 0 5h5xA 0 48.2