Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 2fgyA 2iepA 2iepB 2fgyA 100 54 86 2iepA 67 100 99 2iepB 88 99 100 FOLD SIMILARITY (Z-SCORE) 2fgyA 2iepA 2iepB 2fgyA 66.5 0 0 2iepA 0 27.5 24.5 2iepB 0 24.5 27.3