Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 3h8uA 3h8uB 5n8pC 3h8uA 100 95 100 3h8uB 95 100 100 5n8pC 12 8 100 FOLD SIMILARITY (Z-SCORE) 3h8uA 3h8uB 5n8pC 3h8uA 26.3 22.6 0 3h8uB 22.6 27 0 5n8pC 0 0 63.7