Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1fuiA 1nyeA 2yutA 3beyA 3beyB 1fuiA 100 100 91 0 0 1nyeA 75 100 73 0 0 2yutA 69 77 100 0 0 3beyA 41 22 41 100 99 3beyB 44 0 43 99 100 FOLD SIMILARITY (Z-SCORE) 1fuiA 1nyeA 2yutA 3beyA 3beyB 1fuiA 73.3 0.9 0 0 0 1nyeA 0 25.4 0 0 0 2yutA 6.3 0.2 39.1 0 0 3beyA 1.3 0.6 0.7 16.3 14.7 3beyB 1.2 0 0.7 14.7 16.6