Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1hm9A 3wisA 4e6uA 4y9vA 5hk1A 5hk1B 1hm9A 100 42 66 86 67 66 3wisA 43 100 59 80 46 45 4e6uA 63 48 100 65 48 36 4y9vA 100 83 70 100 100 100 5hk1A 65 45 28 64 100 97 5hk1B 65 49 36 67 97 100 FOLD SIMILARITY (Z-SCORE) 1hm9A 3wisA 4e6uA 4y9vA 5hk1A 5hk1B 1hm9A 57 2.2 16.2 4.1 1 0.9 3wisA 2.1 37.3 0 0.4 0 0 4e6uA 20.6 0 45.8 5 0 0 4y9vA 7.1 0 1.3 66.5 0 0 5hk1A 1 0 0 0 38.2 35.7 5hk1B 0.9 0 0 0 35.7 38.1