Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 2iz6A 2iz6B 4ju5A 2iz6A 100 98 100 2iz6B 98 100 36 4ju5A 77 82 100 FOLD SIMILARITY (Z-SCORE) 2iz6A 2iz6B 4ju5A 2iz6A 37 34.1 1.5 2iz6B 34.1 36.7 2.9 4ju5A 0.8 0.9 32