Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 5macA 5x6vA 5x6vB 5macA 100 60 57 5x6vA 76 100 50 5x6vB 58 49 100 FOLD SIMILARITY (Z-SCORE) 5macA 5x6vA 5x6vB 5macA 66.7 0 0 5x6vA 0 28 13.4 5x6vB 0 13.9 28