Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 3b2eA 4lcqA 3b2eA 100 86 4lcqA 86 100 FOLD SIMILARITY (Z-SCORE) 3b2eA 4lcqA 3b2eA 51.3 1.2 4lcqA 1.3 75.6