Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 2qeeA 2x3hA 4rmxA 2qeeA 100 69 60 2x3hA 45 100 87 4rmxA 61 84 100 FOLD SIMILARITY (Z-SCORE) 2qeeA 2x3hA 4rmxA 2qeeA 68.5 0 0 2x3hA 0 68.5 18.3 4rmxA 0 22.1 67.8