Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1o54A 5cddB 5cddC 5eqjA 1o54A 100 51 27 78 5cddB 37 100 72 53 5cddC 31 74 100 52 5eqjA 100 55 49 100 FOLD SIMILARITY (Z-SCORE) 1o54A 5cddB 5cddC 5eqjA 1o54A 41.1 0 0 19.8 5cddB 0 42.5 14.6 0 5cddC 0.1 14.2 35.5 0 5eqjA 11.8 0 0 49.1