Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 3c9iA 4cjdA 3c9iA 100 0 4cjdA 66 100 FOLD SIMILARITY (Z-SCORE) 3c9iA 4cjdA 3c9iA 14.4 0 4cjdA 1.9 14.4