Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 2c1vA 4aanA 5fs4A 5fs4B 2c1vA 100 88 24 46 4aanA 88 100 0 0 5fs4A 30 38 100 92 5fs4B 42 23 92 100 FOLD SIMILARITY (Z-SCORE) 2c1vA 4aanA 5fs4A 5fs4B 2c1vA 56.9 48.6 0 0 4aanA 48.6 55.3 0 0 5fs4A 0 0 18.9 16.6 5fs4B 0 0 16.6 18.8