Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1eboA 1orrA 1th8A 4nkjA 1eboA 100 0 35 32 1orrA 0 100 59 0 1th8A 0 61 100 0 4nkjA 36 41 37 100 FOLD SIMILARITY (Z-SCORE) 1eboA 1orrA 1th8A 4nkjA 1eboA 13.3 0 0 1 1orrA 0 62.6 0.2 0 1th8A 0 0.2 29.8 0 4nkjA 3.3 0 0.5 16.7