Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 2zhgA 6g3eA 2zhgA 100 66 6g3eA 32 100 FOLD SIMILARITY (Z-SCORE) 2zhgA 6g3eA 2zhgA 19.7 0.4 6g3eA 1.4 63.2