Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1vqsA 1vqsB 2zu9A 3c2bA 3c2bB 3c4nA 3o8jA 1vqsA 100 99 0 21 33 37 37 1vqsB 99 100 36 31 38 14 36 2zu9A 3 35 100 89 82 59 100 3c2bA 18 18 53 100 97 5 53 3c2bB 0 0 43 97 100 55 48 3c4nA 17 0 58 0 0 100 75 3o8jA 0 46 81 52 47 48 100 FOLD SIMILARITY (Z-SCORE) 1vqsA 1vqsB 2zu9A 3c2bA 3c2bB 3c4nA 3o8jA 1vqsA 22.7 21.5 0 0 0.2 0.4 0 1vqsB 21.5 22.7 0 0 0 0 0 2zu9A 0 0 67.6 0 1.5 1.4 1.7 3c2bA 0 0 0 33.4 25.3 0.2 0 3c2bB 0 0 0 25.3 32.7 0 0 3c4nA 0 0 1.4 0 0 63.3 0 3o8jA 0 0 0 0 0 0.5 62.8