Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 3nf4A 5jbxA 5jbxC 3nf4A 100 51 57 5jbxA 100 100 99 5jbxC 100 99 100 FOLD SIMILARITY (Z-SCORE) 3nf4A 5jbxA 5jbxC 3nf4A 66.1 0 0 5jbxA 1.7 45.7 40.4 5jbxC 1.7 40.4 45.5