Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 3i7tA 5v4fA 3i7tA 100 62 5v4fA 61 100 FOLD SIMILARITY (Z-SCORE) 3i7tA 5v4fA 3i7tA 26.9 10.8 5v4fA 12.9 29