Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 1wtjA 1wtjB 3bexA 1wtjA 100 99 83 1wtjB 99 100 79 3bexA 77 79 100 FOLD SIMILARITY (Z-SCORE) 1wtjA 1wtjB 3bexA 1wtjA 57.3 52.5 0 1wtjB 52.5 59 0 3bexA 0 0 43