Re: [ccp4bb] Rotation search using the Patterson in a non-spherical neighbourhood of the origin

Protein crystallography Programs for crystallography X-ray detectors
Basic tutorials:
Protein Peptide

CCP4bb navigation

CCP4bb <-- 2007 <-- December 2007 <-- 02 December 2007

Previous message:
Subject: Postdoctoral position in cryo-electron tomography at Texas Medical Center
From: jun liu liujun1205 {- at -} GMAIL {- dot -} COM
Date: 2007-12-01

Next message:
Subject: Re: Rotation search using the Patterson in a non-spherical neighbourhood of the origin
From: Ian Tickle I {- dot -} Tickle {- at -} ASTEX-THERAPEUTICS {- dot -} COM
Date: 2007-12-02

Subject: Re: Rotation search using the Patterson in a non-spherical neighbourhood of the origin
From: Kay Diederichs kay {- dot -} diederichs {- at -} UNI-KONSTANZ {- dot -} DE
Date: 2007-12-02

Pietro Roversi schrieb:
> Dear everyone,
> is any of the currently available
> molecular replacement programs capable of accepting a
> description of an ellipsoid (rather than the radius of a sphere)
> to define the portion of the Patterson around the origin to be
> used in a Molecular
> Replacement rotation search? Our search model is an elongated
> object and we are searching in a cell with a=205 b=100 c=21
> Angstrom ... ;-)
>
> Ciao
>
> Pietro

Pietro,

I believe that the "direct rotation function" in CNS should circumvent the
problem entirely - there are no cutoffs AFAIK.

sorry for answering late!

HTH,

Kay
--
Kay Diederichs http://strucbio.biologie.uni-konstanz.de
email: Kay.Diederichs@uni-konstanz.de Tel +49 7531 88 4049 Fax 3183
Fachbereich Biologie, Universität Konstanz, Box M647, D-78457 Konstanz

CCP4bb navigation

CCP4bb <-- 2007 <-- December 2007 <-- 02 December 2007

Previous message:
Subject: Postdoctoral position in cryo-electron tomography at Texas Medical Center
From: jun liu liujun1205 {- at -} GMAIL {- dot -} COM
Date: 2007-12-01