Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 1n62A 1zud1 2yxzA 1n62A 100 44 45 1zud1 44 100 65 2yxzA 44 65 100 FOLD SIMILARITY (Z-SCORE) 1n62A 1zud1 2yxzA 1n62A 34.1 0 0 1zud1 0 44.8 0.7 2yxzA 0 0.7 54.2