Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 2d29A 3mkhA 3pfdA 2d29A 100 84 87 3mkhA 84 100 85 3pfdA 87 85 100 FOLD SIMILARITY (Z-SCORE) 2d29A 3mkhA 3pfdA 2d29A 72.1 45.3 54.8 3mkhA 45.3 71.3 44.3 3pfdA 54.8 44.3 68.8