Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 2yvvA 3go2A 4ed9A 4ml9A 4ml9B 2yvvA 100 16 61 0 71 3go2A 33 100 91 81 100 4ed9A 62 91 100 80 83 4ml9A 0 91 80 100 98 4ml9B 0 92 36 98 100 FOLD SIMILARITY (Z-SCORE) 2yvvA 3go2A 4ed9A 4ml9A 4ml9B 2yvvA 22.4 0 0 0 0 3go2A 0 72.9 0.4 11.3 1.3 4ed9A 0 0.4 56 0.7 0 4ml9A 0 4.8 1.1 51.8 48.2 4ml9B 0 6 0.6 48.2 52.6