Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1nayA 1nayB 1nayC 1v1hA 1nayA 100 92 24 2 1nayB 51 100 57 7 1nayC 24 86 100 0 1v1hA 0 0 0 100 FOLD SIMILARITY (Z-SCORE) 1nayA 1nayB 1nayC 1v1hA 1nayA 5.7 0.7 0.5 1 1nayB 0.2 5.7 1 0 1nayC 0.6 2.3 5.4 0 1v1hA 0 0 0 12.9