Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1xkpA 1xkpB 1xkpC 4ogdA 1xkpA 100 0 46 62 1xkpB 0 100 55 42 1xkpC 48 55 100 16 4ogdA 62 0 27 100 FOLD SIMILARITY (Z-SCORE) 1xkpA 1xkpB 1xkpC 4ogdA 1xkpA 33.9 0 0 0 1xkpB 0 26.2 11.9 0.7 1xkpC 0 11.9 25.5 0 4ogdA 0 0 0 69