Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 2gumA 5ys2A 5ys2B 2gumA 100 75 75 5ys2A 68 100 99 5ys2B 67 99 100 FOLD SIMILARITY (Z-SCORE) 2gumA 5ys2A 5ys2B 2gumA 46 18.2 18.7 5ys2A 18.3 26.2 22.3 5ys2B 18.7 22.3 26