Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 1oi6A 2prxA 3gu3A 1oi6A 100 66 51 2prxA 56 100 71 3gu3A 62 59 100 FOLD SIMILARITY (Z-SCORE) 1oi6A 2prxA 3gu3A 1oi6A 40.3 0 0 2prxA 0 26.8 0 3gu3A 0 0 45.2