Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1zv8A 1zv8C 2bezC 2ieqA 2ieqB 2ieqC 1zv8A 100 7 12 3 8 8 1zv8C 7 100 11 3 7 7 2bezC 4 4 100 7 4 4 2ieqA 5 6 10 100 98 99 2ieqB 2 16 15 98 100 99 2ieqC 2 16 15 99 99 100 FOLD SIMILARITY (Z-SCORE) 1zv8A 1zv8C 2bezC 2ieqA 2ieqB 2ieqC 1zv8A 6.8 5.6 4.6 2 4.3 4.3 1zv8C 5.6 6.6 4.3 2.1 4 4 2bezC 4.6 4.3 8.1 1.4 3.4 3.5 2ieqA 2.1 1.9 1.5 14.1 13.1 12.8 2ieqB 4.3 3.7 3.6 13.1 14.2 13.2 2ieqC 4.3 3.7 3.5 12.4 13.2 14