Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1wt6A 1wt6B 5vliB 1wt6A 100 6 0 1wt6B 6 100 0 5vliB 0 0 100 FOLD SIMILARITY (Z-SCORE) 1wt6A 1wt6B 5vliB 1wt6A 7.6 6.5 2.8 1wt6B 6.1 7.7 2.6 5vliB 0 0 24.6