Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 3d9xA 5ovyA 5ovyB 3d9xA 100 0 0 5ovyA 0 100 98 5ovyB 0 98 100 FOLD SIMILARITY (Z-SCORE) 3d9xA 5ovyA 5ovyB 3d9xA 12.7 0 0 5ovyA 0 36 33 5ovyB 0 33 36.1