Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 2qmxA 6bwcA 6bwcB 2qmxA 100 49 46 6bwcA 46 100 99 6bwcB 44 99 100 FOLD SIMILARITY (Z-SCORE) 2qmxA 6bwcA 6bwcB 2qmxA 45.7 0 0.3 6bwcA 0.1 56.6 50.2 6bwcB 0.4 50.2 55.1