Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 3pg8A 3pg8B 4c1kE 3pg8A 100 98 88 3pg8B 98 100 88 4c1kE 88 88 100 FOLD SIMILARITY (Z-SCORE) 3pg8A 3pg8B 4c1kE 3pg8A 52.8 49.4 40 3pg8B 49.4 52.2 40.3 4c1kE 40 40.3 52.5