Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 3bj6A 3bj6B 3l8kA 3bj6A 100 99 59 3bj6B 99 100 60 3l8kA 73 71 100 FOLD SIMILARITY (Z-SCORE) 3bj6A 3bj6B 3l8kA 3bj6A 24.1 23.5 0 3bj6B 23.5 24.2 0 3l8kA 0 0 63.5