Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1xvsA 2fxoA 2fxoB 5mvwC 5mvwD 5to5A 5to5B 1xvsA 100 0 0 0 0 0 0 2fxoA 41 100 98 5 6 53 49 2fxoB 24 98 100 5 6 50 50 5mvwC 13 5 5 100 11 8 0 5mvwD 6 4 8 11 100 4 4 5to5A 38 54 50 3 4 100 82 5to5B 38 49 49 3 4 99 100 FOLD SIMILARITY (Z-SCORE) 1xvsA 2fxoA 2fxoB 5mvwC 5mvwD 5to5A 5to5B 1xvsA 25 0 0 0 0 0 0 2fxoA 0 9.1 7.8 1.8 3.1 6.5 6.9 2fxoB 0 7.8 9.1 2 3.2 7 7 5mvwC 0 1.7 2 5.7 4 1.6 1.8 5mvwD 0 3.1 3.3 3.7 6.8 2.9 3 5to5A 0 6.6 6.9 1.7 2.9 10.2 7.9 5to5B 0 6.9 6.8 1.8 3 8.9 10.1