Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1ybhA 3g8qA 4ksnA 4ksnC 5opqA 1ybhA 100 64 0 0 78 3g8qA 67 100 0 0 56 4ksnA 4 0 100 83 0 4ksnC 4 4 83 100 0 5opqA 100 50 0 4 100 FOLD SIMILARITY (Z-SCORE) 1ybhA 3g8qA 4ksnA 4ksnC 5opqA 1ybhA 70.9 3.1 0 0 0.2 3g8qA 1.5 43.6 0 0 1.8 4ksnA 0 0 12.2 5.3 0 4ksnC 0 0 5.3 11.6 0 5opqA 0.9 0 0 0 69.1