Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 2e0tA 3lkvA 2e0tA 100 37 3lkvA 34 100 FOLD SIMILARITY (Z-SCORE) 2e0tA 3lkvA 2e0tA 29.6 1.3 3lkvA 2.1 55.1