# Submit this list to the download facility and get information such as number of chains, symmetry, etc ... 4tk4_1 5erv_1 4pd0_1 4tk1_1 4tk3_1 2fu3_1 5erq_1 5eru_1 4pd1_1 4tk2_1 2fts_1 5ert_1 5ers_1 5err_1