Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1dgwA 1dgwX 1dgwY 3nojA 1dgwA 100 23 24 53 1dgwX 23 100 17 18 1dgwY 39 17 100 32 3nojA 74 18 17 100 FOLD SIMILARITY (Z-SCORE) 1dgwA 1dgwX 1dgwY 3nojA 1dgwA 31.7 6.2 6.6 0 1dgwX 6.2 15.4 0.2 0 1dgwY 2.3 0.2 16.1 0 3nojA 0 0 0 42.1