Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 1v6zA 1v6zB 4nleA 1v6zA 100 99 100 1v6zB 99 100 100 4nleA 35 67 100 FOLD SIMILARITY (Z-SCORE) 1v6zA 1v6zB 4nleA 1v6zA 36.7 33.3 0 1v6zB 33.3 36.4 0 4nleA 0 0 61.8