Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 3b9wA 3m0aA 5mwnA 3b9wA 100 0 67 3m0aA 2 100 2 5mwnA 100 0 100 FOLD SIMILARITY (Z-SCORE) 3b9wA 3m0aA 5mwnA 3b9wA 71.5 0 1.3 3m0aA 0 7.5 0.4 5mwnA 0 0 42.3