Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 1qo7A 2nx9A 3qhxA 1qo7A 100 68 100 2nx9A 96 100 97 3qhxA 100 94 100 FOLD SIMILARITY (Z-SCORE) 1qo7A 2nx9A 3qhxA 1qo7A 70.7 0.7 1.5 2nx9A 0.6 69.7 2 3qhxA 1.5 1.9 69.2