Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 3zq4D 4xwwA 3zq4D 100 93 4xwwA 93 100 FOLD SIMILARITY (Z-SCORE) 3zq4D 4xwwA 3zq4D 68 54.5 4xwwA 54.5 71.6