Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 3g48A 3g48B 6e2qA 6e2qN 3g48A 100 95 33 0 3g48B 95 100 22 0 6e2qA 18 20 100 0 6e2qN 0 0 3 100 FOLD SIMILARITY (Z-SCORE) 3g48A 3g48B 6e2qA 6e2qN 3g48A 24.3 20.5 0 0 3g48B 20.5 23.7 0 0 6e2qA 0 0 59.6 0 6e2qN 0 0 0 7.4