CCP4 program helixang (now unsupported, I think)
Dave
> -----Original Message-----
> From: CCP4 bulletin board [mailto:[log in to unmask]] On
> Behalf Of Natasha Keith
> Sent: Monday, September 15, 2008 11:16 AM
> To: [log in to unmask]
> Subject: [ccp4bb] software to get helix angles, kinks, and distances?
>
> I'm sorry if this question is somewhat basic...
>
> I'm comparing three homologous proteins, and I'd like to determine a
> number of facts to be able to rigorously compare them... I'd like to
> know the angle formed by two crossed helices, the angle of
> kinking in
> a kinked helix, and the distance between two separated helices that
> are nearly parallel to one another along the y axis, but not
> parallel
> along any other axis.
>
> Could anyone recommend any software to rigorously determine
> distances
> and angles in differently oriented helices? My guess is that
> I'd need
> some kind of a program that can draw vectors through the
> helices, and
> find minimum distances between the vectors, or to use them to define
> angles...
>
> What do people normally use to determine these details?
>
> any suggestions would be great, thanks,
> ~Natasha Keith
> UC Berkeley
> Wemmer lab
>
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