Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 2zejA 2zejB 3ecsG 3ecsH 2zejA 100 97 62 88 2zejB 97 100 89 90 3ecsG 68 81 100 99 3ecsH 64 82 99 100 FOLD SIMILARITY (Z-SCORE) 2zejA 2zejB 3ecsG 3ecsH 2zejA 24.9 23 0 3.2 2zejB 23 25.4 3.2 3.2 3ecsG 2.3 2.5 50.6 45.1 3ecsH 1.8 2.7 45.1 50.8