Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1jekA 1xk7A 3m0aA 1jekA 100 0 8 1xk7A 0 100 0 3m0aA 5 0 100 FOLD SIMILARITY (Z-SCORE) 1jekA 1xk7A 3m0aA 1jekA 6.1 0 3.9 1xk7A 0 59.7 0 3m0aA 3.8 0 7.5