Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 4pjwA 4pjwB 4ru4A 4pjwA 100 0 50 4pjwB 0 100 0 4ru4A 53 0 100 FOLD SIMILARITY (Z-SCORE) 4pjwA 4pjwB 4ru4A 4pjwA 53.5 0 0 4pjwB 0 8.4 0 4ru4A 0 0 73.9