[chimera-dev] icosahedron with a T number

[Wei Zhang]

Hi Elaine,

Thank you for the quick reply and the instructions.
I will use the other email address next time.

Best regards,

Wei

On Fri, Apr 10, 2020 at 10:12 AM Elaine Meng <meng at cgl.ucsf.edu> wrote:

> Hi Wei,
>
> Take a look at the "hkcage" command if you want hexagons and pentagons
> instead of triangles.  You give it the h and k values which are related to
> T number by the equation shown in that page:
> <http://www.rbvi.ucsf.edu/chimera/docs/UsersGuide/midas/hkcage.html>
>
> For this kind of question (next time) you probably want the
> chimera-users at cgl.ucsf.edu mailing list, not chimera-dev which is more
> for programming questions.
>
> Thank you for the good wishes -- you stay safe too!
>
> I hope this helps,
> Elaine
> -----
> Elaine C. Meng, Ph.D.
> UCSF Chimera(X) team
> Department of Pharmaceutical Chemistry
> University of California, San Francisco
>
> > On Apr 9, 2020, at 4:21 PM, Wei Zhang <zhangwei at umn.edu> wrote:
> >
> > Hello,
> >
> > I have been playing with the icosahedron utility in Chimera. I really
> like this feature, especially with the sphere factor.
> >
> > The current routine uses a subdivision factor to represent the number of
> triangles on an icosahedral surface. However this lattice is not the same
> as we see in icosahedral viruses, which use a T number to designate
> symmetry. With a subdivision number, there are always hexamers on any edge
> of the icosahedron, whereas in the virus structure this is not the case.
> >
> > I am wondering if Chimera has an utility that can use the T number as
> the basis for building an icosahedron surface.
> >
> > Thank you.
> >
> > Hope everything is going well and stay safe!
> >
> > Wei
>
>
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