Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 3mc4A 3mqgA 3mqgC 3mc4A 100 73 77 3mqgA 100 100 99 3mqgC 100 99 100 FOLD SIMILARITY (Z-SCORE) 3mc4A 3mqgA 3mqgC 3mc4A 44.6 13.5 15 3mqgA 11.6 36.6 34.2 3mqgC 11.5 34.2 36.4