# Submit this list to the download facility and get information such as number of chains, symmetry, etc ... 1xb4_2 3nkh_1 5vyv_1 3iuo_1 4b4c_1 2z9o_1 1t6s_3 2z99_1 1aih_2 5c6k_1 4fe7_1 3lsg_2 2qlz_1 1xb4_1 5ubf_1 5af3_1 1jkw_1 1zp2_2 1au7_1 1hf0_1 4ywq_1