Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1j98A 4lirA 4lirB 4m0qA 1j98A 100 10 24 47 4lirA 10 100 99 0 4lirB 24 98 100 0 4m0qA 57 0 0 100 FOLD SIMILARITY (Z-SCORE) 1j98A 4lirA 4lirB 4m0qA 1j98A 31.9 0 0 0.9 4lirA 0 20.5 15.9 0 4lirB 0 19 21.2 0 4m0qA 2.2 0 0 39.8