Please post your FAQs here. I suggest you write a Q&A style list with a short answer. More involved answers should link to its own page. Just my suggestion. Should we have topics?
Q: I am wondering how to change the default settings for a color "spectrum". I would like to color by b-factor but not with the default spectrum but from white-to-red.
Q: I was wondering what the percentage given under the mutengensis wizard means? Thanks...
Q: I've installed PyMol_0_98 correctly but I can't open my files in .mol2 or .pdb format from the menubar. Instead I can open them with the program. I can't even save the images I create in PyMol and obviously the mivie too.
Could you help me to solve these problems. Thanks Vittorio
A1: Vittorio, if I understand you correctly, then you need to (a) make sure you have the PDB file on your machine, say Desktop (or home directory, for *nix), then in the GUI click on, "File"->"Open" then use the dialog to find the file you want to load. You can save time if you know where the file is by just using PyMol's "load" command
load fileName, objectName
loads the fileName into a new object called objectName, for example,
load /tmp/1ggz.pdb, 1ggz
A2: To save images you have a couple options. First, to save a quick raw screen dump type, "png fileName" to save a PNG image (IE and other programs can view these files). Or, secondly, if you prefer a higher quality image with ray-traced shadows and textures you can do, "ray" then, the above "png" command.
Hope this helps. If it didn't please restate your question to make it more clear.
Q: I've installed PyMol_0_98, and recently my structures have stopped displaying. I've tried uninstalling PyMol_0_98 and installing PyMol_0_97, and yet i've ran into the same problem...my .pdb files no longer display, although it is evident that they are being loaded and I can edit them.
Does anybody have any clue as to what might be the problem? Thanks, shebsmehr
Q: Hi I have a problem. For some reason PyMOl do not display certain areas (several loops) of my .pdb file (1DAN) when in cartoon. When I display the structure in "lines" or "sticks" everything is ok. Furthermore, other .pdb viewers dont have this problem. I have tried several things: 1. Upgraded to the newest version og PyMol. 2. Redefined secondary structure using the "alter command". 3. Imported the .pdb file into SwissViewer, saved as the imported structure as a .pdb file, and then imported into PyMOl.
None of these things have solved the problem. Help please! (I would hate to have to start using another pdb-viewer!!) Cheers Kasper
Q: I want to move one object while keeping another fixed. How do I do this?
A: Load the proteins as separate objects, put the mouse into 3-button editing mode, then shift-middle click-and-drag on the molecule to translate and shift-left-click-and-drag to rotate. (Warren DeLano answer)
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