Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 3hdqA 3hdqI 3vh7A 3vh7E 3hdqA 100 99 0 0 3hdqI 99 100 0 0 3vh7A 0 0 100 13 3vh7E 0 0 13 100 FOLD SIMILARITY (Z-SCORE) 3hdqA 3hdqI 3vh7A 3vh7E 3hdqA 60.5 57.7 0 0 3hdqI 57.7 60.2 0 0 3vh7A 0 0 7 5.9 3vh7E 0 0 5.9 7.2