Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 1o9rA 1o9rD 4cy9A 5xgoA 5xgoF 1o9rA 100 99 74 77 77 1o9rD 99 100 73 79 78 4cy9A 74 73 100 69 69 5xgoA 77 79 69 100 99 5xgoF 77 78 70 99 100 FOLD SIMILARITY (Z-SCORE) 1o9rA 1o9rD 4cy9A 5xgoA 5xgoF 1o9rA 32 30.3 22.9 26.5 26.6 1o9rD 30.3 31.8 22.9 26.4 26.3 4cy9A 22.9 22.9 32.3 22.2 22.1 5xgoA 26.5 26.4 22.2 31.1 30.2 5xgoF 26.6 26.3 22.1 30.2 31.1