Electron cryomicroscopy: Difference between revisions
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Electrons are diffracted by the charges in the sample, in contrast to X-rays that are diffracted by electron density. Consequently, EM produces an "electron potential map"<ref name="rosenthal2019" /> or "electric potential map"<ref name="wang2016">PMID: 27706888</ref>. Electron densities are all positive, while electron potential maps can be positive or negative<ref name="wang2016" />. | Electrons are diffracted by the charges in the sample, in contrast to X-rays that are diffracted by electron density. Consequently, EM produces an "electron potential map"<ref name="rosenthal2019" /> or "electric potential map"<ref name="wang2016">PMID: 27706888</ref>. Electron densities are all positive, while electron potential maps can be positive or negative<ref name="wang2016" />. | ||
==The Electron Microscopy Data Bank== | |||
The [https://www.ebi.ac.uk/emdb/ Electron Microscopy Data Bank] (EMDB) archives EM density maps. | |||
==Temperatures (B factors)== | ==Temperatures (B factors)== | ||