[Chimera-users] [chimera-users]about "color key"

C.J. biocjh at gmail.com
Mon Dec 20 19:44:34 PST 2010

Thanks, but can I change the distance unit of color key in Chimera? Or
I have to modify the pdb structure file to change that?

2010/12/18 Elaine Meng <meng at cgl.ucsf.edu>:
> Hi CJ,
> If you know what distance units are in your structure, you can simply apply the conversion factor to the values in the Color Key dialog.  In other words, if your structure is in nanometer units, you can just manually type new values into the Color Key dialog that are 10x the values that were there initially.  If the values from the structure are 10 and 50 (nanometers), you can just manually edit the values in the Color Key dialog to 100 and 500, then they will be in angstroms.  If your structure is in grid units where the grid points are spaced 1.582 angstroms apart, then you would multiply by 1.582 instead.  (etc.)
> Best,
> Elaine
> -----
> Elaine C. Meng, Ph.D.
> UCSF Computer Graphics Lab (Chimera team) and Babbitt Lab
> Department of Pharmaceutical Chemistry
> University of California, San Francisco
> On Dec 16, 2010, at 5:17 PM, C.J. wrote:
>> Dear Dr. Elaine,
>> I am afraid that my structure is not in angstrom coordinates.
>> So, any way to change the color key?
>> Thanks all the same.
>> 2010/12/17 Elaine Meng <meng at cgl.ucsf.edu>:
>>> Hi CJ,
>>> If your structure and/or map data is in angstrom cooordinates, and you are coloring by distance in Surface Color, and you start Color Key from the button in Surface Color, it is already automatically in angstrom units.
>>> Elaine


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