Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 3f5oA 3f5oD 4m20A 4m20D 3f5oA 100 99 54 52 3f5oD 99 100 55 54 4m20A 54 54 100 99 4m20D 54 52 99 100 FOLD SIMILARITY (Z-SCORE) 3f5oA 3f5oD 4m20A 4m20D 3f5oA 30.7 28.2 16.5 16.5 3f5oD 28.2 30.7 17.2 17.4 4m20A 16.5 17.3 27.6 25.2 4m20D 16.5 17.4 25.2 27.6