Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1wteA 2cfbA 2ek5A 2ek5B 1wteA 100 50 60 7 2cfbA 49 100 74 46 2ek5A 29 78 100 94 2ek5B 9 65 94 100 FOLD SIMILARITY (Z-SCORE) 1wteA 2cfbA 2ek5A 2ek5B 1wteA 39.1 0 1.5 0 2cfbA 0 65 0 0 2ek5A 0.7 0 19.6 13.6 2ek5B 0 0 13.6 18.3