Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 3f6oA 3f6oB 3r0aA 3f6oA 100 95 39 3f6oB 95 100 31 3r0aA 38 32 100 FOLD SIMILARITY (Z-SCORE) 3f6oA 3f6oB 3r0aA 3f6oA 19.9 17.1 7.4 3f6oB 17.1 19.4 7.9 3r0aA 7.5 7.9 22.1