Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 1lrwA 5xm3A 1lrwA 100 100 5xm3A 96 100 FOLD SIMILARITY (Z-SCORE) 1lrwA 5xm3A 1lrwA 73.1 31.4 5xm3A 68.2 74.1