Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1dgfB 2i04A 4m7cA 4m7cB 1dgfB 100 0 43 43 2i04A 0 100 0 0 4m7cA 48 0 100 99 4m7cB 39 0 99 100 FOLD SIMILARITY (Z-SCORE) 1dgfB 2i04A 4m7cA 4m7cB 1dgfB 67.3 0 0 0 2i04A 0 21.5 0 0 4m7cA 0 0 35 33.5 4m7cB 0 0 33.5 35.3