Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 1qniA 3sbqA 5i5mA 1qniA 100 98 97 3sbqA 98 100 97 5i5mA 97 97 100 FOLD SIMILARITY (Z-SCORE) 1qniA 3sbqA 5i5mA 1qniA 75.2 67.2 66 3sbqA 67.2 76.2 66.9 5i5mA 66 66.9 78.7