Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 4fz0A 4fz0B 4fz0C 5omiA 4fz0A 100 97 96 47 4fz0B 97 100 99 0 4fz0C 96 99 100 0 5omiA 48 38 40 100 FOLD SIMILARITY (Z-SCORE) 4fz0A 4fz0B 4fz0C 5omiA 4fz0A 57 53.4 53.7 2.4 4fz0B 53.4 56.7 53.5 0 4fz0C 53.7 53.5 56 0 5omiA 2.4 1.8 2.7 14.2