Electron Microscopy Database record identified by its accession code (or unique identifier) Information relevant for Administration purposes. Not for public release Contains context information relevant to the EMD entry record Contains information on the 3D-EM volume (or map) Describes the nature of the biological sample studied, corresponding to the 3D-EM map Contains information relevant to the experimental techniques to obtain data Contains information on the digital processing of image data Contains information on the procedure to fit atomic coordinate data to an EM map Contains information on supplemental data items and material to the 3D-EM map