Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 3ce8A 3l39A 4co3A 4fyyC 3ce8A 100 0 38 28 3l39A 0 100 36 20 4co3A 38 0 100 14 4fyyC 28 0 16 100 FOLD SIMILARITY (Z-SCORE) 3ce8A 3l39A 4co3A 4fyyC 3ce8A 20.1 0 12 0 3l39A 0 38.4 0 0 4co3A 12 0 20.4 0 4fyyC 0 0 0 54.8