Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1rx0A 4ng2E 4ng2F 5faiA 5lxeA 5lxeB 1rx0A 100 29 27 53 76 74 4ng2E 43 100 85 44 3 54 4ng2F 23 85 100 27 8 8 5faiA 51 9 14 100 64 65 5lxeA 86 41 8 66 100 99 5lxeB 75 5 9 64 99 100 FOLD SIMILARITY (Z-SCORE) 1rx0A 4ng2E 4ng2F 5faiA 5lxeA 5lxeB 1rx0A 72.4 0 0 0 0 0 4ng2E 0.9 20.2 16.1 1.1 0 0 4ng2F 0 16.1 19.6 1 0 0 5faiA 0 0 0 40 3.1 3.2 5lxeA 0 0 0 3 57.9 49.7 5lxeB 0 0 0 3.4 49.7 54.8