Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 1gvfA 2wylA 3gvxA 1gvfA 100 85 48 2wylA 61 100 100 3gvxA 100 94 100 FOLD SIMILARITY (Z-SCORE) 1gvfA 2wylA 3gvxA 1gvfA 51.6 1.4 0 2wylA 0 54.2 0.7 3gvxA 0 0.6 44.2