Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 2o1qA 3ebrA 2o1qA 100 60 3ebrA 60 100 FOLD SIMILARITY (Z-SCORE) 2o1qA 3ebrA 2o1qA 30.2 17.5 3ebrA 17.5 30.9