loop_ _pdbx_related_exp_data_set.ordinal _pdbx_related_exp_data_set.data_reference _pdbx_related_exp_data_set.metadata_reference _pdbx_related_exp_data_set.data_set_type _pdbx_related_exp_data_set.details 1 '10.000/10002/image_data/cif' '10.000/10002/image_data/txt' 'diffraction image data' 'imgCIF data set containing 500 frames'