Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 3kb6A 4zgsA 4zgsB 3kb6A 100 100 100 4zgsA 81 100 99 4zgsB 81 99 100 FOLD SIMILARITY (Z-SCORE) 3kb6A 4zgsA 4zgsB 3kb6A 54.4 9.9 8.6 4zgsA 34.8 54.8 49.5 4zgsB 34.6 49.5 53.6