Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1jfiA 1jfiB 4oyhA 1jfiA 100 19 3 1jfiB 19 100 0 4oyhA 0 0 100 FOLD SIMILARITY (Z-SCORE) 1jfiA 1jfiB 4oyhA 1jfiA 12 7.1 0 1jfiB 7.2 16.5 0 4oyhA 0 0 27.7