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| OpenRasMol | Copying and Distribution | Contents | Installation Instructions |
| Changes | Things To Do | Introduction | Source Code and Binaries |
| RasMol Manual | Spanish Translation of RasMol Manual | Italian Translation of RasMol Help File |
| Release README |

RasMol 2.7.3

  Version   MAC PPC
Help File
Help File
2.7.1 8     32 8 raw gz 8 16 32 raw gz 8     32 8 raw gz 8 16 32 raw gz
2.7.2 8     32 8 raw gz 8 16 32 raw gz 8     32 8 raw gz 8 16 32 raw gz 8     32 8 raw gz 8 16 32 raw gz
2.7.3 8     32 8 raw gz 8 16 32 raw gz
See Source Code and Binaries for more.

Molecular Graphics Visualisation Tool
6 February 2005

Based on RasMol 2.6 by Roger Sayle
Biomolecular Structures Group, Glaxo Wellcome Research & Development, Stevenage, Hertfordshire, UK
Version 2.6, August 1995, Version 2.6.4, December 1998
Copyright © Roger Sayle 1992-1999

and Based on Mods by
AuthorVersion, DateCopyright
Arne MuellerRasMol 2.6x1 May 1998© Arne Mueller 1998
Gary Grossman and
Marco Molinaro
RasMol 2.5-ucb November 1995
RasMol 2.6-ucb November 1996
© UC Regents/ModularCHEM
Consortium 1995, 1996
Philippe ValadonRasTop 1.3 August 2000© Philippe Valadon 2000
Herbert J. BernsteinRasMol 2.7.0 March 1999
RasMol 2.7.1 June 1999
RasMol January 2001
RasMol 2.7.2 August 2000
RasMol April 2001
RasMol January 2004
RasMol 2.7.3 February 2005
© Herbert J. Bernstein 1998-2005

with RasMol 2.7.3 incorporating changes by Clarice Chigbo, Ricky Chachra, and Mamoru Yamanishi. Work on RasMol 2.7.3 supported in part by grants DBI-0203064, DBI-0315281 and EF-0312612 from the U.S. National Science Foundation and grant DE-FG02-03ER63601 from the U.S. Department of Energy.

and Incorporating Translations by
Isabel Serván Martínez,
José Miguel Fernández Fernández
2.6 ManualSpanish
José Miguel Fernández Fernández2.7.1 ManualSpanish
Fernando Gabriel Ranea2.7.1 menus and messagesSpanish
Jean-Pierre Demailly2.7.1 menus and messagesFrench
Giuseppe Martini, Giovanni Paolella,
A. Davassi, M. Masullo, C. Liotto
2.7.1 menus and messages
2.7.1 help file

This Release by
Herbert J. Bernstein, Bernstein + Sons, P.O. Box 177, Bellport, NY, USA

Copyright © Herbert J. Bernstein 1998-2005

The original RasMol manual was created by Roger Sayle. In July 1996, Dr. Margaret Wong of the Chemistry Department, Swinburne University of Technology, Australia, made extensive revisions to the RasMol 2.5 manual to accurately reflect the operation of RasMol 2.6. Eric Martz of the University of Massachusetts made further revisions. In May 1997, William McClure of Carnegie Mellon University reorganized the HTML version of the manual into multiple sections which could be downloaded quickly and added use of frames. Portions of the 2.7.1 version of the RasMol manual were derived with permission from William McClure's version using Roger Sayle's rasmol.doc for version 2.6.4 as the primary source. Changes were made in August 2000 for RasMol version 2.7.2, January 2001 for RasMol version and April 2001 for RasMol version and February 2005 for RasMol version 2.7.3.

Documentation Last Updated 19 April 2005
Edited by Herbert J. Bernstein and Frances C. Bernstein


Thanks to the efforts of José Miguel Fernández Fernández (Departamento de Bioquímica y Biología Molecular. Universidad de Granada. España (jmfernan@ugr.es)) a translation of the Manual for Rasmol version 2.7.1 into Spanish is now available. La traducción española del manual de la versión de la Dra. Wong revisada por Eric Martz fue realizada por Isabel Serván Martínez y José Miguel Fernández Fernández. La actual traducción del Manual de RasMol 2.7.1 ha sido realizada usando como base la anterior de RasMol 2.6 por  José Miguel Fernández Fernández.

Thanks to translations by Fernando Gabriel Ranea in late 2000 and early 2001, RasMol is now capable of rendering most menu items and messages in Spanish. Jean-Pierre Demailly provided French translations of menus and messages in January 2001. Giuseppe Martini and Giovanni Paolella with contributions by A. Davassi, M. Masullo and C. Liotto provided Italian translations of menus and messages in March 2001.

***** USE WITH CAUTION ******

IMPORTANT - Copying and Distribution

This version is based in directly on RasMol version, on RasMol version 2.7.2, on RasMol version 2.7.1, on RasMol version 2.6_CIF.2, on RasMol version 2.6x1, on RasMol version 2.6.4, and RasMol 2.5-ucb and 2.6-ucb.

Please read the file NOTICE for important notices which apply to this package and for license terms (GPL or RASLIC).



This posting is made to announce the releases of RasMol version 2.7.3. This release is based on RasMol, the final reference release for the 2.7.2 series. The changes for the 2.7.3 release include:

The release was the final reference release for the 2.7.2 series prior to the creation of version 2.7.3. For most users there should be no operational changes from version, except for the correction to the loading of PDB exchange dictionary CIFS.

Post release patches to command.c were included to fix the handling of load inline in the UCB multiple molecule environment. In addition conditional code controlled by STRICT was disabled to restore operation of load inline under windows. Thanks to Jan Reichert <jr@imb-jena.de> for pointing out these problems. Thanks to E. Martz <emartz@microbio.umass.edu> for pointing out an error in the Spanish translation credits which has been corrected. Thanks to a report by Julien Hering, the omission of a prior fix to the MS Windows version was found and corrected on 7 May 2004.

The April 2001 posting was made to announce the release of RasMol version, which made the following changes to RasMol 2.7.2, incorporating changes from RasMol and some changes from RasTop 1.3:

The release of RasMol version made the following changes to RasMol 2.7.1:

That was an interim release to facillitate testing of the new multilingual capabilities. Our thanks to Fernando Gabriel Ranea for doing the hard work of creating an initial Spanish translation of RasMol 2.7.1. We have created this new version to allow on-the-fly switching among langauges. Use the command "Spanish" to request Spanish messages and menus, and "English" to return to the original English format. Corrections and translations for additional languages greatly appreciated.

The release of RasMol version 2.7.2, made the following changes to RasMol 2.7.1:

This release does not include the toolbar from the UCB mods. In order to resolve some cross-platform issues we have started incorporation of the UCB code for multiple molecules and bond rotation by adding to the command interface and to the menus. We expect to be able to add a toolbar in a future release.

This release is not fully debugged and has some serious problems. This release is intended for testing and experimentation and not for production use. Comments and suggestions would be appreciated. We are aware fo the following deficiencies:

The release of RasMol version 2.7.1 made the following changes to RasMol 2.7.0:

RasMol version was a technically minor, but operationally critical upgrade to version 2.7.0, correcting a serious error in the selection logic introduced in the process of merging versions to create version 2.7.0.

RasMol version 2.7.0 combined Roger Sayle's version 2.6.4 with Herbert Bernstein's CIF modified version 2.6_CIF(Rev 2) and with Arne Mueller's version 2.6x1. This combined version allows selection by alternate conformers as well as by models, production of Ramachandran printer plots (as in F. Bernstein's fisipl), and access to A. Mueller's POVray output as POVray3 in addition to the existing POVray version 2 output. (POVray3 should not be used in the PC or Mac version, yet).

RasMol version 2.6x1 was an upgrade to RasMol by Arne Mueller to add code to allow listing of information about the chains, groups or atoms in a selection, listing of phi-psi, allow selection by cis angle cutoff, and to provide a POV-Ray version 3 output.

RasMol version 2.6.4 was a major code cleanup and reorganization by Roger Sayle, dropping obsolete non-ANSI C options and providing speed improvments.

RasMol version 2.6_CIF(Rev 2) added pre-compiled binaries for OpenVMS 7.1 (DEC Alpha) and OpenVMS 6.2 (DEC VAX) and replaced the binary for 68K Apple MacIntoshes in RasMol version 2.6_CIF(Rev 1).

Rasmol version 2.6_CIF(Rev 1) was a minor update to RasMol version 2.6_CIF, which added support for alternate conformer coloring of small molecule CIFs, using _atom_site_disorder_group, recognizes requests for bonds which have neither atom names nor atom numbers, ensures zapping of existing bonds when connect command is used.

RasMol version 2.6_CIF added several new features to RasMol:

This version is available for the Apple Macintosh and PowerMac in addition to UNIX, VMS and Microsoft Windows versions. However, because of limitations in the memory management under MacOS, very large multiple NMR model datasets are not supported on the Mac or PowerMac at this time.

For a complete list of changes from RasMol 2.6 refer to the distribution's "ChangeLog".

For installation instructions see "INSTALL".

For a list of open issues in this version, see "TODO". Roger Sayle's prior list of pending projects is in "PROJECTS".

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 has been developed at the University of Edinburgh's Biocomputing Research Unit and the Biomolecular Structures Group at Glaxo Research and Development, Greenford, UK.

RasMol reads in molecular co-ordinate files in a number of formats and interactively displays the molecule on the screen in a variety of colour schemes and representations. Currently supported input file formats include Brookhaven Protein Databank (PDB), Tripos' Alchemy and Sybyl Mol2 formats, Molecular Design Limited's (MDL) Mol file format, Minnesota Supercomputer Center's (MSC) XMol XYZ format, CHARMm format, MOPAC format, CIF format and mmCIF format files. If connectivity information and/or secondary structure information is not contained in the file this is calculated automatically. The loaded molecule may be shown as wireframe, cylinder (drieding) stick bonds, alpha-carbon trace, spacefilling (CPK) spheres, macromolecular ribbons (either smooth shaded solid ribbons or parallel strands), hydrogen bonding and dot surface. Atoms may also be labelled with arbitrary text strings. Alternate conformers and multiple NMR models may be specially coloured and identified in atom labels. Different parts of the molecule may be displayed and coloured independently of the rest of the molecule or shown in different representations simultaneously. The space filling spheres can even be shadowed. The displayed molecule may be rotated, translated, zoomed, z-clipped (slabbed) interactively using either the mouse, the scroll bars, the command line or an attached dials box. RasMol can read a prepared list of commands from a `script' file (or via interprocess communication) to allow a given image or viewpoint to be restored quickly. RasMol can also create a script file containing the commands required to regenerate the current image. Finally the rendered image may be written out in a variety of formats including both raster and vector PostScript, GIF, PPM, BMP, PICT, Sun rasterfile or as a MolScript input script or Kinemage.

RasMol will run on a wide range of architectures and systems including SGI, sun4, sun3, sun386i, SGI, DEC, HP and E&S workstations, IBM RS/6000, Cray, Sequent, DEC Alpha (OSF/1, OpenVMS and Windows NT), IBM PC (under Microsoft Windows, Windows NT, OS/2, Linux, BSD386 and *BSD), Apple Macintosh (System 7.0 or later), PowerMac and VAX VMS (under DEC Windows). UNIX and VMS versions require an 8bit, 24bit or 32bit X Windows frame buffer (X11R4 or later). The X Windows version of RasMol provides optional support for a hardware dials box and accelerated shared memory rendering (via the XInput and MIT-SHM extensions) if available.

Reports of builds and/or problems on various platforms appreciated.

Source Code and Binaries

The complete source code and user documentation of RasMol 2.7.3 may be obtained by anonymous FTP at:


or on the web at:


The source code and documentation are stored in several files appropriate for the receiving operating system. Please read the "README" file in the distribution directory. See the table below for appropriate binaries. Mac and Windows binaries are no longer included on the tar. Unix and VMS users should retrieve the same file for source code and documentation, and one or more of the following pre-compiled binaries: WARNING: ALL binaries are gzipped!!!. Uncompressed binaries are also available in the second section of each page.

HP: RasMol.HP
Linux (Mandrake 9, i686): RasMol.LINUX
Mac: RasMol.MAC
MS Windows: RasMol.MSWIN
RS/6000: RasMol.RS6K

You will need both an appropriate binary and a copy of rasmol.hlp for each system, and, under Windows, a copy of raswin.hlp for the WinHelp sub-system.

Please remember to use "binary" mode when transferring these files between systems. Check that the file size is the same before and after transfer.

Any comments, suggestions or questions about this modified version of RasMol should be directed to rasmol@bernstein-plus-sons.com.

| OpenRasMol | Copying and Distribution | Contents | Installation Instructions |
| Changes | Things To Do | Introduction | Source Code and Binaries |
| RasMol Manual | Spanish Translation of RasMol Manual | Italian Translation of RasMol 2.7.1 Help File |
| Release README |

Updated 29 April 2005.
Herbert J. Bernstein
Bernstein + Sons, 5 Brewster Lane, Bellport, NY 11713-2803, USA