Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1rqbA 1usyA 2q73A 2q73B 2x5cA 3bpvA 3om0A 1rqbA 100 85 0 0 31 74 58 1usyA 23 100 15 0 28 28 82 2q73A 17 16 100 85 0 40 13 2q73B 18 16 85 100 0 22 12 2x5cA 35 0 0 0 100 21 35 3bpvA 46 16 42 0 15 100 61 3om0A 100 100 0 0 0 27 100 FOLD SIMILARITY (Z-SCORE) 1rqbA 1usyA 2q73A 2q73B 2x5cA 3bpvA 3om0A 1rqbA 67.9 0 0 0 0 0 0.2 1usyA 0 44.8 1.3 0 0 0 0 2q73A 0 0 18 11.3 0 0.2 0 2q73B 0 0.5 11.3 14.8 0 2.1 0 2x5cA 0 0 0 0 19.4 0 0.4 3bpvA 0 0 0.2 0 0 25.1 0 3om0A 0 1.1 0 0 0 0.3 64.8