Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 3iq0A 3lxxA 3iq0A 100 100 3lxxA 74 100 FOLD SIMILARITY (Z-SCORE) 3iq0A 3lxxA 3iq0A 58.1 0.8 3lxxA 2.8 35.5