Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 2v4iC 2v4iD 4wnnA 4wnnB 5oy01 5oy02 2v4iC 100 15 0 0 31 26 2v4iD 40 100 6 0 100 95 4wnnA 0 29 100 9 0 26 4wnnB 0 41 26 100 50 50 5oy01 21 100 16 25 100 93 5oy02 100 95 15 38 93 100 FOLD SIMILARITY (Z-SCORE) 2v4iC 2v4iD 4wnnA 4wnnB 5oy01 5oy02 2v4iC 35.9 2.4 0 0 0 0 2v4iD 0 35.7 0 0 0 0 4wnnA 0 0 16.2 3 0 0.5 4wnnB 0 0 6.5 17.2 0 0 5oy01 0 0.2 0.9 1.1 57.6 34.8 5oy02 0.2 0 0.2 2.3 34.8 50.7