# Submit this list to the download facility and get information such as number of chains, symmetry, etc ... 2xxk_1 2xwo_1 2wyp_1 2wx9_1 2cex_4 2cey_1 2v4c_1 2xwv_1 2cex_2 2wyk_1 2cex_1 3b50_1 2cex_3 2xwi_1 2xwk_1