- Chimera-users - RBVI Mailing Lists

Re: [Chimera-users] chimera and hydrophobic potentials
by Thomas Goddard 08 Apr '04

08 Apr '04

Hi Miguel, Send me some example k2a output and I'll send you a little Python program that will convert it into a Delphi file readable by Chimera DelphiViewer. Tom > Date: Thu, 8 Apr 2004 19:33:31 +0100 > From: Miguel Ortiz =?iso-8859-15?Q?Lombard=EDa?= <mol(a)ysbl.york.ac.uk> > Subject: Re: [Chimera-users] chimera and hydrophobic potentials > > Hi Tom, > > Thank you very much for your comments. > Part of the problem is that I don't trust the "delphi" maps that > GRID produces. Actually, I've been able to open some of them with > chimera. Other programs ablo to open such maps (like vmd) can't > open any of them. > > Yes, I've used k2a, and it works: it produces an ascii map that > looks sensible. My problem here is that my programming skills are > very reduced! I could work it out on a "model" program, but not > from scratch. Have you something like that? > > Thank you again, your answer has been very useful. > > Best regards, > > Miguel > > -- > Miguel Ortiz Lombardía > email: mol(a)ysbl.york.ac.uk > http://www.ysbl.york.ac.uk/~mol > ----------------------------------------------------------------------- > Our business in life is not to succeed, but > to continue to fail in good spirits. R.L. Stevenson >

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chimera and hydrophobic potentials
by Miguel Ortiz Lombardía 08 Apr '04

08 Apr '04

Hi, I would like to display the hydrophobic potential of a protein onto its MSMS surface. One program that calculates such potentials is GRID (from Molecular Discovery: http://www.moldiscovery.com/ ) GRID can produce the map in different formats. One of them is like delphi (grasp mode) map. This has the drawback that the map has to be 65x65x65 grid points and the grid points separation has to be an integer starting with 1 Ansgtroem. Hence, it's not appropriate for medium-big proteins. The GRID format hasn't those limitations. I can __sometimes__ read in chimera (throught the DelphiViewer) the delphi maps produced by GRID. Sometimes they are unreadable (and this seems to me more a problem with GRID than with chimera: something wrong in the header) But even when they are readable I'm not sure they are covering the region they are supposed to be covering. Does anyone know if chimera can read any other of the GRID map formats: GRID (this would be the optimal) Chem-X Frodo Insight Molcad Quanta Sybyl Otherwise: does anybody how to the kind of representation I'm looking for in any other way? Thank you for any advice! Miguel -- Miguel Ortiz Lombardía email: mol(a)ysbl.york.ac.uk http://www.ysbl.york.ac.uk/~mol ----------------------------------------------------------------------- Our business in life is not to succeed, but to continue to fail in good spirits. R.L. Stevenson

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compiling minrms on mac os10.2.8
by Chris Adams 02 Apr '04

02 Apr '04

Hi: I am also trying to get minrms on my OS10.2.8 machine. I followed the commands you recommended to Howard to get the "make" command to work. However, my ls output was not at all like what you said would happen in the message. I get this: ls -1 /usr/bin/*make /usr/bin/automake and am unable to compile the minrms program. I am not very unix savvy but am learning, perhaps you can help? thank you, Chris Adams UW-Biochemistry Madison, WI 53704

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correction re sessions
by Elaine Meng 31 Mar '04

31 Mar '04

Hello, in my previous message about saving parts of PDB files, I included some text from older replies to users, and this part about sessions is no longer true: >The command "save" (or File... Save Session As... ) doesn't save coordinates, >only how they are positioned/colored/displayed, etc. In fact, restarting >a saved session will use the original input file(s) for coordinates. Actually in the last few versions, the session files do include coordinates and do not look for the original input files. Sorry about that, Elaine

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writing out part of a PDB
by Elaine Meng 31 Mar '04

31 Mar '04

Hi Shuanghong, Question (1), surface problem: I don't think the problem where nothing happens when you type the command "surface" has been reported. Sometimes there is a delay while the surface is being calculated, but it shouldn't be terribly long. Problems have been reported in some cases, but they generally cause some sort of error message. To register a problem more formally, you could send mail to chimera-bugs(a)cgl.ucsf.edu and be sure to include what version of Chimera and what kind of computer you are using, and what structure(s) cause the problem. Question (2), writing out part of a PDB file: If you are on a **non-Windows** system, you can use the command "pdbrun" to save just the atoms that are displayed. You could display only the atoms you want by first selecting what you want to measure the distance to. Then, use Select...Zone... to select all the atoms in the region you want to write out. Then the command "show sel" will undisplay the rest of the stuff. (Or, instead of selecting you could do it all in one command, for example show :212.a za<4.5 for all atoms within 4.5 A of any atom in residue 212 of chain A. Specifying zones in the command line is described in the manual page on atom specification, which is listed in the Basic Functions index.) Next, use pdbrun (see man page using the command "help pdbrun"), for example: pdbrun nouser cat > myzone.pdb Pdbrun literally sends the information for only the displayed atoms in their displayed positions to another command, in this case "cat" to send the information to the file myzone.pdb. If you want the coordinates to be the same as in the original file, first use the command "reset." The command "save" (or File... Save Session As... ) doesn't save coordinates, only how they are positioned/colored/displayed, etc. In fact, restarting a saved session will use the original input file(s) for coordinates. The command "write" (same as the function "write PDB" in the Model Panel) saves coordinates into a file. However, these will save the entire coordinates whether displayed or not. If you are on **Windows** the only way I can think of is to actually delete the atoms/bonds you don't want to write out ("delete" command or Actions... Atoms/Bonds... delete). For example, when only what you want to write out is displayed, delete @/!display actually deletes the other stuff. Subsequently, a file created with "write" would only contain the atoms/bonds that had not been deleted. I hope this helps, Elaine =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Elaine C. Meng, Ph.D. Computer Graphics Lab and Babbitt Lab meng(a)cgl.ucsf.edu http://www.cgl.ucsf.edu/home/meng/index.html =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=

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crashing when calculating larger surfaces
by Elaine Meng 31 Mar '04

31 Mar '04

>From eperozo(a)virginia.edu Wed Mar 31 15:15:53 2004 >Sorry to bother you, but I'm having terrible problems with the generation of >surfaces. The program crashes as soon as I request a surface to be built (a >tetramer with ~250 residues/monomer). Interestingly, I don't seem to have >problems with a smaller protein (120 residues). When it crashes it gives me >exit code - 1073741819. Tried two versions of chimera in two different >computers. Same result. >Is this a known bug? >Thanks in advance. >Eduardo Hi Eduardo, It is a known problem that the surface routine is a memory hog. If you are on a unix-type machine it might help to type "unlimit" in the shell before starting Chimera. Otherwise, it might just be trying to use more memory than your machines have. We have been using code developed elsewhere, MSMS, for these surfaces. Due to memory/robustness problems, we are generating some code in-house which will eventually replace MSMS. However, this is still in progress, and has not been incorporated into any Chimera release. You could try deleting extra monomers before using surface or instead show the low-resolution surface generated by the Multiscale Models tool (although it builds multimers with matrix info, even if there is no matrix info, it will still show the low-res surface for the structure you have open). Tools...Multiscale... Multiscale Models, click the "Make models" button. Then if you select All chains (button near the top) you can change the Resolution value and then click Resurface to see different levels of detail. There is a man page for this tool in the Tools section of the User's Guide if you want more info. If you want to register the problem more formally, please send a message to chimera-bugs(a)cgl.ucsf.edu including version, platform, and an example or few of which structures (e.g. their PDB IDs) cause the problem. Best, Elaine

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Re: [Chimera-users] Rotating molecules
by Elaine Meng 30 Mar '04

30 Mar '04

Hi Eduardo, yes, the command "move" does translations by a specified amount and the command "turn" rotates by a specified amount. Type help move in the command line to see the man page for move, and help turn for the man page for turn. You might also want to take a look at the commands "rock" and "roll" Hope this helps, Elaine =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Elaine C. Meng, Ph.D. Computer Graphics Lab and Babbitt Lab meng(a)cgl.ucsf.edu http://www.cgl.ucsf.edu/home/meng/index.html =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=

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Rotating molecules
by Eduardo Perozo 30 Mar '04

30 Mar '04

Hello, Is there a way to rotate/translate a molecule by a specific amount? Clearly I can do "freehand" rotations with the mouse but I will like to define rotations and translation numerically. Thanks! Eduardo

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Re: [Chimera-users] export pdb file
by Elaine Meng 29 Mar '04

29 Mar '04

Hi Shuanghong, there are two ways to export a PDB file. One is by choosing the "write PDB" function from the Model Panel. The other is by using the "write" command. Each way has an option to save the transformed coordinates or the coordinates relative to the untransformed coordinates of a particular model (take a look at the User's Guide for detailed descriptions). Hope this helps! Elaine =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Elaine C. Meng, Ph.D. Computer Graphics Lab and Babbitt Lab meng(a)cgl.ucsf.edu http://www.cgl.ucsf.edu/home/meng/index.html =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=

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Re: [Chimera-users] v1.1917 OpenGL misconfiguration detected.
by Greg Couch 29 Mar '04

29 Mar '04

Got it. The /usr/X11R6/lib/ligGL.so.1 file should have been removed as part of the NVidia driver installation. We just confirmed that with the Red Hat 9 and the NVIDIA-Linux-x86-1.0-5336-pkg1.run driver distribution. You had version 53.28, so maybe it was a bug in that driver? We had previous installed NVidia version 43.63 using the same mechanism, so it's probably not a problem with the driver, but something went wrong during the installation. You should uninstall and install that driver again (or just upgrade to the 53.36). Good luck, Greg On Mon, 29 Mar 2004, Pattanayek, Sabuj wrote: > Here is the output > > -rwxr-xr-x 1 root root 367092 Jan 3 12:17 /usr/lib/libGL.so.1 > -rwxr-xr-x 1 root root 264888 Feb 12 13:22 /usr/X11R6/lib/libGL.so.1 > > I am using RH9. > > Quoting Greg Couch <gregc(a)cgl.ucsf.edu>: > > > Chimera checks /usr/lib/libGL.so.1 and /usr/X11R6/lib/libGL.so.1 to see > > if they point to the same file or not. If they do not, then that indicates > > that there was an OpenGL driver installation error -- sometimes resulting > > in chimera not using the hardware accelerated OpenGL driver. > > > > Could you send the output from: > > > > ls -Ll /usr/lib/libGL.so.1 /usr/X11R6/lib/libGL.so.1 > > > > I'd like to confirm that they are different. And which version of Linux > > are your running -- Red Hat 8.0? Mandrake? Suse? Debian? We'd like to > > try to recreate the problem here. > > > > Greg Couch > > UCSF Computer Graphics Lab > > gregc(a)cgl.ucsf.edu > > > > On Mon, 29 Mar 2004, Pattanayek, Sabuj wrote: > > > > > Finally got around to installing the latest development linux version. At > > > startup I'm getting the following messages: > > > > > > OpenGL misconfiguration detected. > > > Please reinstall graphics driver. > > > > > > v1.1872 & v1.1892 still work on the machine with no problems. > > > > > > The video card on the machine is nvidia quadro 750 xgl running this driver > > from > > > nvidia's ftp site: > > > > > > NVIDIA-Linux-x86-1.0-5328-pkg1.run > > > > > > I know this is not the latest version of the driver, would upgrading it > > make a > > > difference? > > >

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v1.1917 OpenGL misconfiguration detected.
by Pattanayek, Sabuj 29 Mar '04

29 Mar '04

Hi, Finally got around to installing the latest development linux version. At startup I'm getting the following messages: OpenGL misconfiguration detected. Please reinstall graphics driver. v1.1872 & v1.1892 still work on the machine with no problems. The video card on the machine is nvidia quadro 750 xgl running this driver from nvidia's ftp site: NVIDIA-Linux-x86-1.0-5328-pkg1.run I know this is not the latest version of the driver, would upgrading it make a difference? Thanks, ----------------------------------------------------------------- Sabuj Pattanayek Martin Egli Lab Vanderbilt University Dept. Biochemistry http://linegli.mc.vanderbilt.edu

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export pdb file
by Shuanghong Huo 29 Mar '04

29 Mar '04

Hi, I remember that Midus can export pdb file, but I cannot find this function in Chimera. Thanks, Shuanghong

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question
by Wendy Ochoa 28 Mar '04

28 Mar '04

Could you please tell me how can I define the secondary structure of the protein i am displaying with chimera. I know the secondary structure of my pdb, so I would like to draw a picture of the protein showing the B sheets and alpha helix in different colors. Thansk a lot!!!

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32 bit / 64 bit Linux mixup
by Thomas Goddard 12 Mar '04

12 Mar '04

The 32 bit Linux Chimera 1917 was accidentally replaced with the 64 bit Linux version yesterday (Thursday 11 AM PST, March 11). The 32 bit version has been restored Friday 7 PM PST, March 12. Tom

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Re: [Chimera-users] chimera-1.1917-linux.exe: Exec format error. Wrong Architecture.
by Pattanayek, Sabuj 12 Mar '04

12 Mar '04

[root@eglimp]# uname -iorsp Linux 2.4.22-openmosix2smp athlon i386 GNU/Linux it seems the link to chimera-1.1917-linux.exe on the download page is actually the link to the x86_64 version: [root@eglimp]# head chimera-1.1917-linux.exe ELF> @@@@"@@@@@�@@@@d�d�PP��``P`@@ P�d � � �||Q�/lib64/ld-linux-x86-64.so.2GNU etc.. and [root@eglimp]# head chimera-1.1872-linux.exe ELF44 (#�#��x▒�@ /lib/ld-linux.so.2GNUCVN>LU@SB<5QF/4)1K$.TG!J▒= Can you please put the correct link to the x86_32 linux version on the download page? Thanks, Sabuj Pattanayek Quoting Greg Couch <gregc(a)cgl.ucsf.edu>: > The linux distribution is only for the Intel/AMD x86 architecture. Are > you trying in install on something else? For example, and Alpha or > PowerPC? > > - Greg > > On Fri, 12 Mar 2004, Pattanayek, Sabuj wrote: > > > I'm getting this error when I try to run the installation > > > > -rwx------ 1 root root 26226504 Mar 12 12:02 > chimera-1.1917-linux.exe > > [root@eglimp]# chimera-1.1917-linux.exe > > chimera-1.1917-linux.exe: Exec format error. Wrong Architecture. > > [root@eglimp]# ./chimera-1.1917-linux.exe > > ./chimera-1.1917-linux.exe: Exec format error. Wrong Architecture. > > [root@eglimp]# md5sum chimera-1.1917-linux.exe > > 67e955ce87d000916039d94c7d6d0a56 chimera-1.1917-linux.exe > > [root@eglimp]# uname -rs > > Linux 2.4.22-openmosix2smp > > > > web page: > > > > linux chimera-1.1917-linux.exe > > Size: 26226504 bytes > > MD5: 67e955ce87d000916039d94c7d6d0a56 >

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save session stripping TER statements from PDB's
by Pattanayek, Sabuj 12 Mar '04

12 Mar '04

In version 1.1892 (and older possibly), file > save session seems to be stripping TER statements from PDB files. The TER statement is helpful for specifically telling Chimera and other PDB viewers not to connect consecutive residues in a PDB (for example ATP/water molecules at the end of a PDB that are not part of the main protein chain). Re-inserting TER's manually into the .py file can become cumbersome especially when one PDB insertion in the .py is 27000+ columns long. Would it be possible to fix this in future versions? Thanks in advance, Sabuj Pattanayek

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[Chimera-users] chimera-1.1917-linux.exe: Exec format error. Wrong Architecture.
by Pattanayek, Sabuj 12 Mar '04

12 Mar '04

I'm getting this error when I try to run the installation -rwx------ 1 root root 26226504 Mar 12 12:02 chimera-1.1917-linux.exe [root@eglimp]# chimera-1.1917-linux.exe chimera-1.1917-linux.exe: Exec format error. Wrong Architecture. [root@eglimp]# ./chimera-1.1917-linux.exe ./chimera-1.1917-linux.exe: Exec format error. Wrong Architecture. [root@eglimp]# md5sum chimera-1.1917-linux.exe 67e955ce87d000916039d94c7d6d0a56 chimera-1.1917-linux.exe [root@eglimp]# uname -rs Linux 2.4.22-openmosix2smp web page: linux chimera-1.1917-linux.exe Size: 26226504 bytes MD5: 67e955ce87d000916039d94c7d6d0a56 Thanks in advance Sabuj Pattanayek

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mac version of 1.1917 snapshot
by Eric Pettersen 10 Mar '04

10 Mar '04

Hi again, If you downloaded the Mac version of 1.1917 before about 5pm PST today, you should download it again because we updated it to fix a bug. The non-Mac versions are fine. The Mac version was not displaying atoms in stick, ball-and-stick, or sphere modes (wireframe mode was okay). Sorry for the possible inconvenience! Eric Pettersen UCSF Computer Graphics Lab pett(a)cgl.ucsf.edu

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new snapshot release (1.1917)
by Eric Pettersen 09 Mar '04

09 Mar '04

Hi, We've just put a new snapshot release of Chimera up for download on the web site (http://www.cgl.ucsf.edu/chimera) Here are the highlights of the changes between this snapshot (1.1917) and the previous one (1.1892): tools: Match -> Align can create sequence alignments for multiple matched structures (not just pairs) Multalign Viewer can show/edit sequence annotations for relevant formats (RSF, Stockholm) SimpleSession -- saves label font/size and secondary structure assignments -- compiles to .pyc file: 50% less memory use, 15% less time to restore added Export Surfaces as VRML (in Utilities category) -- save surfaces made by Multiscale Models and Volume Viewer as VRML files added Browser Configuration (also in Utilities) -- configure browsers to send certain file types to Chimera (see also new Web Data preferences) FindHBond and PBReader allow line width to be set Movie has preliminary support for reading GROMOS trajectories newly available commands: bondcolor -- color bonds independent of flanking atoms bonddisplay -- set how bond display depends on flanking atom display bondrepr -- set bond representation to be wire or stick (independent of atoms) hbonds -- command equivalent of FindHBond tool rlabel -- whether residue name/number is included in the first atom label per residue Model Panel new 'render attrs...' button allows coloring by model/residue/atom attributes (e.g. B-factor) The 'render attrs...' interface is in preliminary form and will be changing. It also isn't documented yet but is pretty easy to use. Just pick an attribute of interest and a histogram of values will be displayed. By default there will be three color bars on the histogram that you can grab and move around with the mouse, or add or remove with control-click. You can use the 'Color' color well to set the color of the last bar you picked. The 'No value' color well is used in the rare case of the attribute being missing (or set to None) in the atom/residue/model. Click Apply or OK to make the coloring happen. Several parts of the interface are grayed out since they haven't been implemented yet. In the future you will be able to select by attribute value, and change atom radii or ribbon widths based on attribute values. If you are using the last production release (1.1872) instead of the previous snapshot, then you will also be getting these features when you go to 1.1917: general: additional file formats for saved images (PS, EPS) different lighting scheme in graphics window (over-the-shoulder instead of headlight) tools: added Shininess Control (in Viewing Parameters) -- adjust shininess, brightness, and the color used for shiny highlights Collaboratory section in Preferences allows designation of port number and IP address (for firewalls/NAT) Movie -- allows definition of scripts to be run at each time step -- looping can be turned off Multalign Viewer allows structure selection by arbitrary % residue conservation Volume Viewer options added to subdivide and smooth isosurfaces commands: copy command now offers supersampling and PS/EPS formats new ribbackbone command controls whether ribbon and backbone atoms are shown simultaneously Enjoy! Eric Pettersen UCSF Computer Graphics Lab pett(a)cgl.ucsf.edu http://www.cgl.ucsf.edu

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Use of Chimera for Trends Plant Sci March 2004...
by John F. Allen 24 Feb '04

24 Feb '04

....for article and issue cover illustration. Final proofs attached. Acknowledged. Great program. Will send reprint(s) and final pdf on request. Many thanks John F. Allen Professor of Plant Cell Biology Plant Biochemistry Center for Chemistry and Chemical Engineering Lund University Box 124 SE-221 00 Lund Sweden Tel: +46 46 222 7788 (Office); +46 46 222 4073 (Laboratory) Fax: +46 46 222 4009 (Direct); +46 46 222 4116 (Departmental) E-mail: john.allen(a)plantbio.lu.se Plant Cell Biology: http://plantcell.lu.se Publications: http://plantcell.lu.se:591/john/

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CHIMERA help - coloring density maps
by Padmaja Natarajan 02 Feb '04

02 Feb '04

Hi, I have just started using CHIMERA to look at volume files in the CCP4 format for virus particles. I would like to color the density as a color ramp continuously changing between ANY two specified colors depending on the radial distance from the center of the virus particle (as shown in the attached figure). How do I achieve this with CHIMERA? thank you very much for your help in advance. -Padma

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Chimera dead after NVidia driver install...
by Patrick Ladam 12 Jan '04

12 Jan '04

Hi all, I had chimera 1.1872 working OK on my MDK 9.2 Linux box until I installed the NVidia driver for my GeFOrce2 card. What happens now is that chimera launches but stops during start-up with an error box indicating this message: "Togl: Couldn't get visual" This sounds like an OpenGL problem to me but I am far from being a specialist on this. Does anyone have a clue how I can debug/fix this ? Bye -- ----------------------------------------------------------------- | Patrick LADAM | | | Laboratoire CSSB | THE BIG BANG THEORY: | | UFR SMBH | | | 74 rue Marcel Cachin | In the begining there was | | 93017 Bobigny CEDEX | nothing at all. | | e-mail: | | | ladam(a)smbh.smbh.univ-paris13.fr | Then, it exploded... | | Tel: 01 48 38 77 26 / 76 85 | | | Fax: 01 48 38 77 77 | | -----------------------------------------------------------------

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hi
by amutha ramaswamy 08 Jan '04

08 Jan '04

Dear Sir It is possible to make movies with PDB structurers in chimera. this would really be helpfull in visualing the conformatinal changes. I know chimera has the option for movie with trajectory files. but i wish to kow the option with PDB files only. Looking forward for your kind reply Sincerely Amutha Dr Amutha Ramaswamy Postdoctoral Fellow, Department of Biomedical Informatics 3184 Graves Hall, 333 West 10th Avenue The Ohio state University, Columbus, OHIO 43210 Phone: 614-688-3236 (Office); 614-291-0071(Residence) Fax: 614-292-7659 (Office) --------------------------------- Do you Yahoo!? Yahoo! Hotjobs: Enter the "Signing Bonus" Sweepstakes

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Re: save selected atoms in a pdb file?
by Elaine Meng 08 Jan '04

08 Jan '04

Hi Sabuj, You can make surfaces that surround a set of atoms without making a separate PDB file. For example, if you have those atoms selected already, just use the command: surfcat mygroup sel where "mygroup" could be whatever you choose to name this set of atoms and "sel" means what is currently selected. Then, the command surface mygroup will show surface surrounding that group. There are several ways you could select the atoms of interest, and it sounds like you already figured out that part; the following detailed example is just one possibility: open pdb:2gbp sel :glc z<4.5 ~sel :glc ~sel solvent surfcat nearby sel ~sel surf nearby Here I opened a glucose-binding protein structure, selected all residues with any atom within 4.5 A of the ligand glucose (glc), then subtracted glucose itself and waters from the selection. Then I made the selected atoms a surface category with "surfcat," unselected them, and showed the corresponding surface. If you really want to save the selection to a file, it can be done on unix systems. Chimera can send information on what atoms are displayed to the system, and then the system command "cat" can send the information to a file. In Chimera, if the atoms of interest are selected: show sel pdbrun nouser cat > ~homedir/myfile.pdb (where "homedir" is your username) saves the displayed atoms to a PDB file named myfile.pdb in your home directory. It is necessary to use show (which undisplays everything else) since pdbrun includes all atoms that are displayed. The coordinates are transformed, so will be different from the original coordinates if you have moved the view around. If you want the untransformed coords, use the "reset" command before the "pdbrun" command. This process doesn't work on Windows as there is no cat command. I hope this helps, Elaine =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Elaine C. Meng, Ph.D. Computer Graphics Lab and Babbitt Lab meng(a)cgl.ucsf.edu http://www.cgl.ucsf.edu/home/meng/index.html =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=

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save selected atoms in a pdb file?
by Pattanayek, Sabuj 08 Jan '04

08 Jan '04

Hi, Is it possible to save only the currently selected set of atoms/bonds or the atoms/bonds currently shown in the display into a pdb file? This is would be useful when doing surfaces for a particular location (e.g. atoms surrounding a central cavity), since the command "surface selected" seems to leave gaps in inaccessible areas (behind the atoms surrounding the cavity). Thanks, Sabuj Pattanayek

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