Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 3dpiA 3dpiB 4q16A 3dpiA 100 98 85 3dpiB 98 100 86 4q16A 85 86 100 FOLD SIMILARITY (Z-SCORE) 3dpiA 3dpiB 4q16A 3dpiA 45.6 31 28.6 3dpiB 31 38 28.1 4q16A 28.6 28.1 46.7