Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1z9mA 1z9mB 3hdjA 3m45A 3m45D 1z9mA 100 99 52 72 71 1z9mB 99 100 54 71 70 3hdjA 42 0 100 33 0 3m45A 72 71 50 100 98 3m45D 71 70 55 98 100 FOLD SIMILARITY (Z-SCORE) 1z9mA 1z9mB 3hdjA 3m45A 3m45D 1z9mA 24.2 22.3 0 20.5 19.8 1z9mB 22.3 24.3 0 20.3 19.7 3hdjA 0 0 57.2 0 0 3m45A 20.5 20.3 0 24 21.7 3m45D 19.8 19.7 0 21.7 23.6