Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1dd4A 1dd4C 1qlwA 1vi0A 1dd4A 100 0 61 26 1dd4C 12 100 0 3 1qlwA 61 0 100 0 1vi0A 24 0 91 100 FOLD SIMILARITY (Z-SCORE) 1dd4A 1dd4C 1qlwA 1vi0A 1dd4A 22.8 0 0 0.1 1dd4C 0 6.7 0 0 1qlwA 0 0 55.2 0 1vi0A 0.1 0 0 33.6