Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1nfvB 1nfvG 2f4nA 2f4nB 2vkyB 6fbaA 1nfvB 100 99 0 0 0 57 1nfvG 99 100 0 0 0 56 2f4nA 0 0 100 99 40 38 2f4nB 0 0 99 100 38 37 2vkyB 0 0 19 35 100 65 6fbaA 77 77 42 47 67 100 FOLD SIMILARITY (Z-SCORE) 1nfvB 1nfvG 2f4nA 2f4nB 2vkyB 6fbaA 1nfvB 31.6 29.9 0 0 0 0 1nfvG 29.9 31.5 0 0 0 0 2f4nA 0 0 40.6 36.5 0 1.2 2f4nB 0 0 36.5 40.8 0 1.3 2vkyB 0 0 0 0 21.8 0 6fbaA 0.3 0.4 0 0.2 0 57.2