Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1hcfA 1hcfB 1sg1A 1sg1B 3uv0A 3uv0B 5zctA 1hcfA 100 99 59 62 52 0 47 1hcfB 99 100 59 62 12 0 21 1sg1A 59 59 100 98 24 23 0 1sg1B 62 62 98 100 7 8 12 3uv0A 50 8 13 0 100 98 28 3uv0B 0 0 13 0 98 100 27 5zctA 45 5 0 0 13 13 100 FOLD SIMILARITY (Z-SCORE) 1hcfA 1hcfB 1sg1A 1sg1B 3uv0A 3uv0B 5zctA 1hcfA 19.8 16.9 13.1 13 0 0 0 1hcfB 16.9 20.5 12.9 12.6 0 0 0 1sg1A 13.1 12.9 18.2 15.3 0 0 0 1sg1B 13 12.6 15.3 18.3 0 0 0 3uv0A 0 0 0 0 24.2 22.1 0 3uv0B 0 0 0 0 22.1 24.7 0 5zctA 0 0 0 0 0 0 49.4