Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 3b1jA 3qv1A 4hvcA 3b1jA 100 91 75 3qv1A 91 100 77 4hvcA 81 93 100 FOLD SIMILARITY (Z-SCORE) 3b1jA 3qv1A 4hvcA 3b1jA 60.8 54 0.1 3qv1A 54 60.4 0 4hvcA 0.1 0.2 61