[phenixbb] coordinates and map shifted after phenix.refine without simulated annealing
hari jayaram
harijay at gmail.com
Sat Jun 6 07:01:42 PDT 2009
Hi i am using phenix version 1.4 release tag 70
hari at charlie:~$ phenix.refine --version
-------------------------------------------------------------------------------
PHENIX: Python-based Hierarchical ENvironment for Integrated Xtallography
Version: 1.4
Release tag: 70
Platform: intel-linux-2.6-x86_64 linux
User: hari
-------------------------------------------------------------------------------
I am seeing a strange shifting of my coordinates "out of my experimental
phases map" before and after refinement without simulated annelaing
I am at the final stages of my refinement. When I refine without simulated
annealing the resulting model is shifted relative to my experimental phases
map into which I build my model
The phenix command line strategy i am using are
rigid_body+individual_sites+individual_adp+tls .or the same strategy with
simulated_annealing=true
The output map coefficients fortunately match my model in both cases . But I
am wondering why there is a difference.
I am using the mlhl target for refinement to 3.1 A , My R and rfree is 28/31
.
Any ideas why my model shifts without simulated annealing . All pdbs have
the same CRYST record .
I am using coot version 0.61 for my building and map display using fft
inside of coot .
hari
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