yes...., ok, i got it. one point should be enough since i have the direction of the axis direction from self rotation.
just out-smarted myself. (not very difficult it appears... which i knew alraedy anyway...)
-tommi
On Nov 25, 2011, at 11:43 AM, Clemens Vonrhein wrote:
> Hi Tommi,
>
> I'm not sure, but do you already have the mid-point and want to get RT
> operators only?
>
> Or do you have the rotational component and the translation is
> missing? In that case you could try GETAX (also available from the
> CCP4i gui) which takes the rotation as input (plus a rough description
> of shape/size) and searches for the translation in some electron
> density map - as long as this is Cn/Dn symmetry (closed NCS).
>
> If you only have the mid-point of 2 sites: check self-rotation
> function for a 2-fold axis orientation and then try this mid-point
> plus other pairs (symmetry-equivalent) ... ?
>
> Cheers
>
> Clemens
>
> On Fri, Nov 25, 2011 at 10:55:49AM +0200, Tommi Kajander wrote:
>> Hi, anybody have a script to to find a translation for 2-fold NCS (rotaion) axis based on the center of NCS symmetry..?? (ie to the midpoint of line between to heavy atoms)
>> This search option doenst seem to be endoed anywhere (why??) ...stupid me...
>>
>> Thanks,
>> tommi
>
> --
>
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> * Clemens Vonrhein, Ph.D. vonrhein AT GlobalPhasing DOT com
> *
> * Global Phasing Ltd.
> * Sheraton House, Castle Park
> * Cambridge CB3 0AX, UK
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