_em_mask_depositor_info.id                    1
    _em_mask_depositor_info.upload_file_name      GroelD7.mrc.gz
    _em_mask_depositor_info.upload_format         CCP4/MRC
    _em_mask_depositor_info.annotation_details    'D7 structure of Groel at 4.2 Angstrom resolution'
    _em_mask_depositor_info.contour_level         5.0
    _em_mask_depositor_info.pixel_spacing_x       1.06
    _em_mask_depositor_info.pixel_spacing_y       1.06
    _em_mask_depositor_info.pixel_spacing_z       1.06
      




