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Symmetry and space groups: Difference between revisions
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(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...) |
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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]. | |||
== Facts about space groups == | |||
There are 230 space groups, 65 of which accessible to proteins. | |||
Empirically, | 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]). | ||