Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 1sjyA 6amgA 6amgB 1sjyA 100 52 54 6amgA 52 100 99 6amgB 50 99 100 FOLD SIMILARITY (Z-SCORE) 1sjyA 6amgA 6amgB 1sjyA 31 0 0 6amgA 0 31.6 30 6amgB 0 30 31.8