Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1b7yA 1b7yB 1poiB 1poiC 1ydmB 5tjzA 1b7yA 100 69 64 55 41 32 1b7yB 73 100 52 74 65 80 1poiB 11 57 100 71 100 54 1poiC 56 73 72 100 73 47 1ydmB 59 63 61 74 100 36 5tjzA 32 82 89 49 36 100 FOLD SIMILARITY (Z-SCORE) 1b7yA 1b7yB 1poiB 1poiC 1ydmB 5tjzA 1b7yA 44.2 16.3 0 0 0 0 1b7yB 16.3 62.3 0 0 0 0 1poiB 0 0 48 6.8 2.3 2 1poiC 0 0 6.8 56.2 3.4 0 1ydmB 0 0 8.1 3.3 36.7 3.3 5tjzA 0 0 0 0 3.1 43.6