# Submit this list to the download facility and get information such as number of chains, symmetry, etc ... 3r7s_3 3ibf_1 1sc3_1 3kjq_1 2xyg_1 4i1r_1 3h13_1 3sir_1 1nms_1 2ar9_2 3e4c_1 1k86_1 4n7j_1 2nn3_1