Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 3pg8A 3pg8B 4ur7A 3pg8A 100 98 75 3pg8B 98 100 78 4ur7A 76 79 100 FOLD SIMILARITY (Z-SCORE) 3pg8A 3pg8B 4ur7A 3pg8A 52.8 49.4 13 3pg8B 49.4 52.2 12.9 4ur7A 13.1 12.9 57.9