# Submit this list to the download facility and get information such as number of chains, symmetry, etc ... 4rgn_1 4rgn_2 4ki5_1 3kif_3 3kif_2 3kih_1 5tlk_1 5tlk_2 4ap4_1 5aiu_1 3qum_1 3qum_2 5umi_1 4qd2_1 4qd2_2