Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 2yvvA 3u6xA 2yvvA 100 30 3u6xA 32 100 FOLD SIMILARITY (Z-SCORE) 2yvvA 3u6xA 2yvvA 22.4 0 3u6xA 0 24.7