Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 2oqoA 2w19D 2xcbA 2xcbB 4uplA 6eidA 2oqoA 100 0 70 64 66 63 2w19D 14 100 5 5 7 12 2xcbA 35 5 100 98 100 45 2xcbB 35 5 98 100 87 59 4uplA 67 0 0 0 100 52 6eidA 62 0 46 44 51 100 FOLD SIMILARITY (Z-SCORE) 2oqoA 2w19D 2xcbA 2xcbB 4uplA 6eidA 2oqoA 36 0 1.8 0 0 0 2w19D 0.5 15.2 1.3 0.6 0.4 0 2xcbA 0 1.4 27.7 23.3 0.5 1 2xcbB 0 0.6 23.3 27.5 0 2.5 4uplA 0 0 0 0 73.4 0 6eidA 0 0 1.4 1.1 0 42.8