Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 1a9xA 5nxfA 1a9xA 100 100 5nxfA 100 100 FOLD SIMILARITY (Z-SCORE) 1a9xA 5nxfA 1a9xA 72.6 0.8 5nxfA 0 30.9