Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 2wqkA 3x2rA 3x2rB 2wqkA 100 57 62 3x2rA 57 100 97 3x2rB 68 97 100 FOLD SIMILARITY (Z-SCORE) 2wqkA 3x2rA 3x2rB 2wqkA 44.5 1.5 2.6 3x2rA 1.5 28.5 25.7 3x2rB 2.4 25.7 27.6