Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 2vugA 2vxtH 2vxtI 4yzeA 4yzeC 2vugA 100 29 0 77 80 2vxtH 26 100 25 0 0 2vxtI 0 32 100 0 0 4yzeA 60 0 0 100 99 4yzeC 82 0 0 99 100 FOLD SIMILARITY (Z-SCORE) 2vugA 2vxtH 2vxtI 4yzeA 4yzeC 2vugA 59 0 0 1.8 2.2 2vxtH 0 31.8 0 0 0 2vxtI 0 0 34.5 0 0 4yzeA 1.9 0 0 33.9 28.5 4yzeC 2.7 0 0 28.5 33.6