Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1ep3A 1ep3B 3e2dA 3ew1A 4aynA 4aynB 1ep3A 100 83 88 29 55 61 1ep3B 83 100 100 24 46 42 3e2dA 88 85 100 72 31 32 3ew1A 42 23 64 100 49 48 4aynA 60 46 37 46 100 99 4aynB 57 35 70 91 99 100 FOLD SIMILARITY (Z-SCORE) 1ep3A 1ep3B 3e2dA 3ew1A 4aynA 4aynB 1ep3A 59.4 0.6 0.6 0 0 0 1ep3B 0.7 48.8 1.4 0.4 0 0 3e2dA 0.6 0.5 75 0 0 0 3ew1A 0 0.3 0 27.4 7.7 7.2 4aynA 0 0 0 7.8 28.7 25.8 4aynB 0 0 0 3.1 25.8 27.9