Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 3a68A 3a68H 3wnwJ 3a68A 100 99 75 3a68H 99 100 75 3wnwJ 75 75 100 FOLD SIMILARITY (Z-SCORE) 3a68A 3a68H 3wnwJ 3a68A 31.4 30.5 24.8 3a68H 30.5 31.5 24.8 3wnwJ 24.8 24.8 32