Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 2g18A 2g18J 4c6eA 2g18A 100 97 60 2g18J 97 100 54 4c6eA 64 59 100 FOLD SIMILARITY (Z-SCORE) 2g18A 2g18J 4c6eA 2g18A 45.5 42.5 0 2g18J 42.5 45 0 4c6eA 0 0 71.4