You can add all files at once by selecting them with Shift or Ctrl in the dialog. You may also drag and drop multiple files anywhere on the page.

You may provide multiple maps in MTZ or CCP4 formats. In MTZ case you will be asked to provide the MTZ's labels that will be used to reconstuct the map. By default, the most common labels representing 2mFo-DFc map will be selected from those present in the uploaded MTZ file,

Optionally, you may provide a model in PDB or mmCIF format, that will be used as a reference for visualization.

The server recognizes files compressed with gzip and bzip2.