Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 3nkeA 3nkeC 3w6jA 3w6jC 3nkeA 100 99 0 0 3nkeC 99 100 0 0 3w6jA 67 66 100 34 3w6jC 25 23 38 100 FOLD SIMILARITY (Z-SCORE) 3nkeA 3nkeC 3w6jA 3w6jC 3nkeA 35 30.4 0 0 3nkeC 30.4 34.5 0 0 3w6jA 0.1 0 21.7 0.4 3w6jC 0.4 0.6 0.8 26.8