Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1ya7O 3ph0A 3ph0C 3vskA 1ya7O 100 0 0 55 3ph0A 5 100 6 0 3ph0C 0 6 100 0 3vskA 76 0 0 100 FOLD SIMILARITY (Z-SCORE) 1ya7O 3ph0A 3ph0C 3vskA 1ya7O 33.2 0 0 0 3ph0A 0 12.8 2.2 0 3ph0C 0.6 2.6 14 0.1 3vskA 1 0 0 65.3