Dear Andreas and all,
refining multiple models together would sound like the most
straightforward solution in a case like that. But (please correct me
if I am wrong), generally, such trick can only work in P1:
obviously, any symmetry operation (but lattice translation) applied to
the sh
Hey Stephen,
how about simply putting three models, separated by 16A, into your
original unit cell and refining them together. You'd have to guess
their fractional occupancies from the heights of the Patterson peaks
(and make them add up to one, obviously).
This approach (in contrast to cor
wishes
Misha Isupov
University of Exeter
From: CCP4 bulletin board [ccp...@jiscmail.ac.uk] On Behalf Of Stephen Hare
[s.h...@mail.cryst.bbk.ac.uk]
Sent: 06 January 2009 16:35
To: CCP4BB@JISCMAIL.AC.UK
Subject: [ccp4bb] Fwd: Twinning
Dear All,
We are
This is an interesting case but your description lacked the diffraction part.
Assuming no Heavy Atom sites in the native structure. Based on your
description, another possibility may be Lattice Translocation.
-
Ref: J. Wang, S. Kamtekar, A. J. Berman and T. A. Steitz. Correctio
On Tuesday 06 January 2009 08:35:19 Stephen Hare wrote:
> Dear All,
>
> We are currently working on a structure of apparent P21 symmetry which
> has been solved by molecular replacement. The data are to 2.7Å but the
> Rfree will not drop below 30%. The density is clear for the model we
> hav
Dear All,
We are currently working on a structure of apparent P21 symmetry which
has been solved by molecular replacement. The data are to 2.7Å but the
Rfree will not drop below 30%. The density is clear for the model we
have, however there is extra density that suggests a shift of the
st
