Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 1u0tA 1u0tB 2an1A 2an1D 1u0tA 100 97 81 83 1u0tB 97 100 82 83 2an1A 100 100 100 95 2an1D 83 83 95 100 FOLD SIMILARITY (Z-SCORE) 1u0tA 1u0tB 2an1A 2an1D 1u0tA 45.1 41.6 28.4 28.6 1u0tB 41.6 46.6 29.1 29.3 2an1A 22.3 21 46.7 39.1 2an1D 28.6 29.3 39.1 45.1