Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 2bmaA 2cqzD 3k8zA 5ayeA 2bmaA 100 47 83 0 2cqzD 25 100 34 0 3k8zA 83 34 100 0 5ayeA 59 0 88 100 FOLD SIMILARITY (Z-SCORE) 2bmaA 2cqzD 3k8zA 5ayeA 2bmaA 69.3 2 43 0 2cqzD 0 34 0 0 3k8zA 43 0 67.6 0 5ayeA 0 0 0 65.7