Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 1xtzA 3moiA 4io1A 4io1B 1xtzA 100 57 76 75 3moiA 55 100 51 55 4io1A 76 55 100 99 4io1B 75 58 99 100 FOLD SIMILARITY (Z-SCORE) 1xtzA 3moiA 4io1A 4io1B 1xtzA 46.5 0 30.2 28.7 3moiA 0 70.1 1.8 1.9 4io1A 30.2 1.2 42.6 36.2 4io1B 28.7 1.6 36.2 41.7