Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 2xcsB 3dttA 3dttB 5iwiA 2xcsB 100 57 59 86 3dttA 59 100 99 62 3dttB 62 99 100 57 5iwiA 86 63 70 100 FOLD SIMILARITY (Z-SCORE) 2xcsB 3dttA 3dttB 5iwiA 2xcsB 61.5 1.6 1.6 59.4 3dttA 1.5 43.7 42.3 0 3dttB 1.5 42.3 43.9 0 5iwiA 59.4 0 0 65