Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 3g64A 3qk8A 3g64A 100 77 3qk8A 77 100 FOLD SIMILARITY (Z-SCORE) 3g64A 3qk8A 3g64A 47.1 27.5 3qk8A 27.5 50.4