Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 2qgaB 3gzhA 4efcA 4mx2A 2qgaB 100 89 89 89 3gzhA 89 100 91 90 4efcA 89 91 100 94 4mx2A 89 90 94 100 FOLD SIMILARITY (Z-SCORE) 2qgaB 3gzhA 4efcA 4mx2A 2qgaB 60.2 49.9 46.8 45.1 3gzhA 49.9 60.5 49 45 4efcA 46.8 49 58.7 51.7 4mx2A 45.1 45 51.7 56.9