Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1fseA 1fseB 3i00A 3i00B 5fiyA 5fiyB 1fseA 100 99 0 0 0 0 1fseB 99 100 0 0 0 0 3i00A 0 0 100 96 16 17 3i00B 0 0 96 100 19 19 5fiyA 0 0 16 18 100 99 5fiyB 0 0 17 18 99 100 FOLD SIMILARITY (Z-SCORE) 1fseA 1fseB 3i00A 3i00B 5fiyA 5fiyB 1fseA 17.2 13.8 0 0 0 0 1fseB 13.8 17.1 0 0 0 0 3i00A 0 0 8 6.9 6.9 7.1 3i00B 0 0 6.9 8.1 7 7.1 5fiyA 0 0 6.9 7.1 8.2 7.5 5fiyB 0 0 7.1 7.1 7.5 8.2