Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 2ii3A 3fsyA 3ozbA 3ozbB 3ozbC 4u5pA 2ii3A 100 34 51 50 38 0 3fsyA 71 100 62 59 66 0 3ozbA 52 59 100 99 99 0 3ozbB 50 54 99 100 99 0 3ozbC 34 56 99 99 100 0 4u5pA 10 43 37 36 58 100 FOLD SIMILARITY (Z-SCORE) 2ii3A 3fsyA 3ozbA 3ozbB 3ozbC 4u5pA 2ii3A 41.6 0.3 0 0 0 0 3fsyA 0 49.5 0 0 0 0 3ozbA 0 0 46.3 42.2 42.5 0 3ozbB 0 0 42.2 45.8 42.1 0 3ozbC 0 0 42.5 42.1 46 0 4u5pA 0 0 0.3 0 0 26.6