Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 2ywbA 3qksA 3qksB 3trtA 3trtB 2ywbA 100 69 80 0 0 3qksA 73 100 0 0 0 3qksB 27 7 100 0 0 3trtA 0 12 17 100 15 3trtB 0 8 19 99 100 FOLD SIMILARITY (Z-SCORE) 2ywbA 3qksA 3qksB 3trtA 3trtB 2ywbA 59.5 0 0 0 0 3qksA 0 28.8 0 0 0 3qksB 0 0.4 26.6 0 0 3trtA 0 0.6 1.8 7.9 5.9 3trtB 0 0.5 1.7 6.2 7.7