Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 3uipA 3uipD 4tkrA 4tkrB 3uipA 100 0 0 0 3uipD 3 100 8 0 4tkrA 0 0 100 98 4tkrB 0 0 98 100 FOLD SIMILARITY (Z-SCORE) 3uipA 3uipD 4tkrA 4tkrB 3uipA 31.4 0 0 0 3uipD 0 9 0 0 4tkrA 0 0 37.2 35.5 4tkrB 0 0 35.5 37.2