Rasmol – Molecular Graphics Visualisation



RasMol is a molecular graphics program intended for the visualisation of proteins, nucleic acids and small molecules. The program is aimed at display, teaching and generation of publication quality images.


The program reads in molecular coordinate files and interactively displays the molecule on the screen in a variety of representations and colour schemes. Supported input file formats include Protein Data Bank (PDB), Tripos Associates’ Alchemy and Sybyl Mol2 formats, Molecular Design Limited’s (MDL) Mol file format, Minnesota Supercomputer Center’s (MSC) XYZ (XMol) format, CHARMm format, CIF format and mmCIF format files. It displays the molecule in various representations and allows one to rotate the molecule interactively.


The gforge OpenRasMol project



  • Windows/MacOsX/Linux




Future releases of RasMol will continue to offer the GPL and RASLIC as alternative licenses for the source code, but, in order to conform to the license conditions of various libraries to which executables may be linked, starting with RasMol 2.7.5 release, the GPL is the only valid license to use the binary distributions.

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