Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 2fhlA 4emkA 4emkC 2fhlA 100 0 3 4emkA 4 100 25 4emkC 7 25 100 FOLD SIMILARITY (Z-SCORE) 2fhlA 4emkA 4emkC 2fhlA 25.4 1.2 0.3 4emkA 1.8 18.2 10.7 4emkC 1.3 10.7 15.5