Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 1vdkA 3qbpA 3qbpC 1vdkA 100 91 90 3qbpA 91 100 99 3qbpC 90 99 100 FOLD SIMILARITY (Z-SCORE) 1vdkA 3qbpA 3qbpC 1vdkA 67.6 47.6 49.1 3qbpA 47.6 59.9 57 3qbpC 49.1 57 60.2