Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1ky9A 4wd8A 4wd8E 1ky9A 100 0 0 4wd8A 0 100 99 4wd8E 0 99 100 FOLD SIMILARITY (Z-SCORE) 1ky9A 4wd8A 4wd8E 1ky9A 48.6 0 0 4wd8A 0 37.2 32.1 4wd8E 0 32.1 37.4