Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 3cb0A 3cb0C 3cmbA 3cb0A 100 98 48 3cb0C 98 100 39 3cmbA 47 38 100 FOLD SIMILARITY (Z-SCORE) 3cb0A 3cb0C 3cmbA 3cb0A 33.2 31.3 0 3cb0C 31.3 33.6 0 3cmbA 0 0 45.1