Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 3fpzA 3jskG 4zavA 3fpzA 100 89 62 3jskG 94 100 70 4zavA 65 65 100 FOLD SIMILARITY (Z-SCORE) 3fpzA 3jskG 4zavA 3fpzA 49.6 37.5 3.9 3jskG 37.5 50.2 3.9 4zavA 3.8 4 40.9