# Submit this list to the download facility and get information such as number of chains, symmetry, etc ... 1qxo_1 1r53_1 1r52_1 4ecd_1 1sq1_1 2o12_2 2g85_1 2qhf_1 2o11_2 1ztb_2 4baj_1 4bai_1 1um0_1 1umf_1 1q1l_1