Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 5m49A 5x6bI 5x6bJ 5m49A 100 83 85 5x6bI 83 100 97 5x6bJ 84 97 100 FOLD SIMILARITY (Z-SCORE) 5m49A 5x6bI 5x6bJ 5m49A 72.6 23.5 23.6 5x6bI 23.4 61.5 57.1 5x6bJ 23.8 57.1 62.9