Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 4yt2A 5ok4A 4yt2A 100 83 5ok4A 100 100 FOLD SIMILARITY (Z-SCORE) 4yt2A 5ok4A 4yt2A 52.7 21.8 5ok4A 11.3 51.6