Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 1itzA 3ai7A 3rimA 3uk1A 1itzA 100 92 93 95 3ai7A 92 100 93 91 3rimA 93 93 100 92 3uk1A 95 91 92 100 FOLD SIMILARITY (Z-SCORE) 1itzA 3ai7A 3rimA 3uk1A 1itzA 62.3 33.2 49.5 47.8 3ai7A 33.1 74.8 33.2 31.5 3rimA 49.5 33.1 64.7 48 3uk1A 47.8 31.5 48 64.6