Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 3h0wA 3h0wB 5whxA 3h0wA 100 0 57 3h0wB 9 100 0 5whxA 76 0 100 FOLD SIMILARITY (Z-SCORE) 3h0wA 3h0wB 5whxA 3h0wA 41.6 0 0 3h0wB 1.2 11.1 0 5whxA 0 0 42.9