Twinning: Difference between revisions

Twinning (edit)

100 bytes added , 31 August 2021

→‎Refinement: add Fig3 of Murshudov paper

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 Refinement of merohedrally and pseudo-merohedrally twinned data data is possible using [[CNS]] (for input files, see CNS homepage - main menu - input files - x ray - twinning), [[ccp4dev:Refinement_with_Refmac5|Refmac]] or [[Phenix|phenix.refine]] ([http://www.phenix-online.org/documentation/refinement.htm#anch38 Refinement using twinned data]) and has "always" been possible with [[SHELXL]] ([http://shelx.uni-ac.gwdg.de/~rherbst/twin.html Twin-Refinement with SHELXL]).
-Be aware that R-factors may not be directly comparable: [http://www.ysbl.york.ac.uk/refmac/papers/Rfactor.pdf G. Murshudov, Appl. Comput. Math., V.10, N.2, 2011, pp.250-261] and [http://journals.iucr.org/d/issues/2013/07/00/ba5190/index.html Evans P.R., Murshudov G.N. (2013) How good are my data and what is the resolution? Acta Cryst D69, 1204-1214]
+Be aware that R-factors may not be directly comparable: [http://www.ysbl.york.ac.uk/refmac/papers/Rfactor.pdf G. Murshudov, Appl. Comput. Math., V.10, N.2, 2011, pp.250-261] (see figure)
+[[File:G. Murshudov, Appl. Comput. Math., V.10, N.2, 2011, pp.250-261 Fig3.png|thumb]]
+and [http://journals.iucr.org/d/issues/2013/07/00/ba5190/index.html Evans P.R., Murshudov G.N. (2013) How good are my data and what is the resolution? Acta Cryst D69, 1204-1214]
 == '''Warning Signs for Twinning''' ==