RCSB PDB Help
Additional Resources
Electron Microscopy Software
Access additional resources of interest, submitted by community members.
CTFFIND
Software for estimating contrast transfer function (CTF)
EMAN/EMAN2
Software for cryo-EM image processing and high-resolution 3D volume reconstruction
EPU
Software for image collection
FREALIGN
Software for high-resolution refinement of 3D reconstructions from cryo-EM images of single particles
Gctf
Software for real-time CTF correction
ISOLDE
Software for building models into moderate-to-low resolution experimental maps
Leginon
System for automated collection of transmission electron microscope images
PHENIX
Software for model refinement
REFMAC
Software for model refinement
RELION
Software for cryo-EM image processing and high-resolution 3D volume reconstruction
SerialEM
Software for image collection
SPIDER
Software for 3D volume reconstruction
UCSF Chimera/ChimeraX
Software for macromolecule model building, fitting, and visualization
cisTEM
Software for cryo-EM image processing and high-resolution 3D volume reconstruction
Coot
Software for macromolecule model building and fitting
cryoSPARC
Software for cryo-EM image processing and high-resolution 3D volume reconstruction
MDFF for cryo-EM
Software for flexible fitting of atomic structures into density maps
Please report any encountered broken links to info@rcsb.org
Last updated: 2/23/2023