Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 2esnA 2iz6A 2iz6B 5ekcA 5ujuA 2esnA 100 49 51 100 100 2iz6A 48 100 98 100 100 2iz6B 52 98 100 100 100 5ekcA 94 57 57 100 87 5ujuA 89 55 57 87 100 FOLD SIMILARITY (Z-SCORE) 2esnA 2iz6A 2iz6B 5ekcA 5ujuA 2esnA 39.1 0 1.2 0 1.4 2iz6A 0 37 34.1 3.3 2.6 2iz6B 0 34.1 36.7 1.8 3 5ekcA 0 4.7 4.6 66.8 33.2 5ujuA 0 4.8 4.7 33.2 65.5