Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 3b1jA 3b1jC 3zdfB 3zdfC 3b1jA 100 0 92 0 3b1jC 0 0 0 0 3zdfB 0 0 0 0 3zdfC 0 0 0 0 FOLD SIMILARITY (Z-SCORE) 3b1jA 3b1jC 3zdfB 3zdfC 3b1jA 60.8 0 54.8 0 3b1jC 0 0 0 0 3zdfB 0 0 0 0 3zdfC 0 0 0 0