Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 3onrJ 4b2hA 3onrJ 100 34 4b2hA 34 100 FOLD SIMILARITY (Z-SCORE) 3onrJ 4b2hA 3onrJ 14.9 10.6 4b2hA 10.6 14.8