Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 2pytA 2pytB 5lhjA 2pytA 100 98 46 2pytB 98 100 46 5lhjA 33 37 100 FOLD SIMILARITY (Z-SCORE) 2pytA 2pytB 5lhjA 2pytA 27.5 24.8 0 2pytB 24.8 26.6 0 5lhjA 0 0 70.5