Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 2iblA 3gudA 3h6jA 4zw0A 2iblA 100 0 53 0 3gudA 0 100 70 21 3h6jA 50 33 100 82 4zw0A 0 50 48 100 FOLD SIMILARITY (Z-SCORE) 2iblA 3gudA 3h6jA 4zw0A 2iblA 13.1 0 0 0 3gudA 0 18.3 0 0.1 3h6jA 0 0 66.4 1.4 4zw0A 0 0 0 31.9