Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1mylA 2pk8A 4m44A 4m44B 1mylA 100 0 0 2 2pk8A 0 100 29 26 4m44A 0 15 100 47 4m44B 0 32 52 100 FOLD SIMILARITY (Z-SCORE) 1mylA 2pk8A 4m44A 4m44B 1mylA 9.3 0 0 1.1 2pk8A 0 22.3 0 0 4m44A 0 0 48.8 0 4m44B 0 0 0 24.5