# Submit this list to the download facility and get information such as number of chains, symmetry, etc ... 1gsh_1 2glt_1 1gsa_1 4iwy_1 5zct_1 5zct_2 4iwx_1 1auv_1 1pk8_1 1pk8_2 1px2_1 1aux_1 1i7l_2 1i7n_2 2p0a_1 3vpd_1 3vpc_1