# Submit this list to the download facility and get information such as number of chains, symmetry, etc ... 1xs6_4 1xs6_3 1xs4_3 1xs1_3 2v9x_1 2v9x_2 4a6a_1 4a6a_2 1pkh_1 2hxb_2 1pkk_1 1pkj_1 2hxd_2 1seh_2