Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 1gweA 4b7hA 4cabA 1gweA 100 92 92 4b7hA 92 100 90 4cabA 92 90 100 FOLD SIMILARITY (Z-SCORE) 1gweA 4b7hA 4cabA 1gweA 67.2 56.1 50.3 4b7hA 56.1 71.5 49.7 4cabA 50.3 49.7 65.4