Symmetry and space groups: Difference between revisions

From CCP4 wiki
Jump to navigation Jump to search
(New page: Space group operators can be found here: http://www.embl-hamburg.de/~pinotsis/spacegroup.html Empirically, P2_{1}2_{1}2_{1} is the space group which occurs most often in the PDB (23%); s...)
 
mNo edit summary
Line 1: Line 1:
Space group operators can be found here: http://www.embl-hamburg.de/~pinotsis/spacegroup.html
The crystallographic toolbox is at [http://cci.lbl.gov/cctbx/]. Its predecessor, SgInfo, is [http://cci.lbl.gov/sginfo/ here].


Space group operators can be found here: http://www.embl-hamburg.de/~pinotsis/spacegroup.html
== Facts about space groups ==
There are 230 space groups, 65 of which accessible to proteins.


Empirically, P2_{1}2_{1}2_{1} is the space group which occurs most often in the PDB (23%); second place is P2_{1} with 14.4% ( http://www.rcsb.org/pdb/statistics/histogram.do?mdcat=symmetry&mditem=space_group_name_H-M&numOfbars=200).
Empirically, P2<sub>1</sub>2<sub>1</sub>2<sub>1</sub> is the space group which occurs most often (23%) in the [http://www.rcsb.org PDB]; second place is P<sub>1</sub> with 14.4% ( [http://www.rcsb.org/pdb/statistics/histogram.do?mdcat=symmetry&mditem=space_group_name_H-M&numOfbars=200]).

Revision as of 22:45, 22 February 2008

Space group operators can be found here: http://www.embl-hamburg.de/~pinotsis/spacegroup.html

The crystallographic toolbox is at [1]. Its predecessor, SgInfo, is here.


Facts about space groups

There are 230 space groups, 65 of which accessible to proteins.

Empirically, P212121 is the space group which occurs most often (23%) in the PDB; second place is P1 with 14.4% ( [2]).