Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1fm0D 1fm0E 5mpoB 5mpoC 1fm0D 100 29 32 38 1fm0E 29 100 0 57 5mpoB 32 28 100 34 5mpoC 38 57 28 100 FOLD SIMILARITY (Z-SCORE) 1fm0D 1fm0E 5mpoB 5mpoC 1fm0D 20.2 0 11 0 1fm0E 0 28.8 0 17.7 5mpoB 11 0 21 0 5mpoC 0 17.7 0 28.1