Electron density maps: Difference between revisions
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Examining the correspondence between the published model [[PDB file]] and the electron density map (EDM) provides much clearer insight into the uncertainties in the model than does merely examining the model itself (see also | Examining the correspondence between the published model [[PDB file]] and the electron density map (EDM) provides much clearer insight into the uncertainties in the model than does merely examining the model itself (see also | ||
[[Quality assessment for molecular models]]). | [[Quality assessment for molecular models]]). In addition to examining the entire map (2mFo-DFc) it is revealing to examine the ''difference map'' (mFo-DFc), which shows where the model fails to account for the map. | ||
==Visualizing Electron Density Maps== | |||
Crystallographers generally use "heavy duty" visualization and modeling software such as | Crystallographers generally use "heavy duty" visualization and modeling software such as | ||
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[[Jmol]] | [[Jmol]] | ||
first became capable of displaying electron density maps in January, 2010. Being able to display EDM's in Jmol opens the door to examining EDMs effectively in a web browser, with a user interface (yet to be developed) that requires no specialized software knowledge. | first became capable of displaying electron density maps in January, 2010. Being able to display EDM's in Jmol opens the door to examining EDMs effectively in a web browser, with a user interface (yet to be developed) that requires no specialized software knowledge. | ||
==Examples== | |||
==See Also== | ==See Also== | ||
