Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 2odkA 4qlxA 4qlxB 2odkA 100 0 0 4qlxA 0 100 97 4qlxB 0 97 100 FOLD SIMILARITY (Z-SCORE) 2odkA 4qlxA 4qlxB 2odkA 11.8 0 0 4qlxA 0 34 31.6 4qlxB 0 31.6 33.6