3j7m: Difference between revisions

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<tr><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3j7m FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3j7m OCA], [http://www.rcsb.org/pdb/explore.do?structureId=3j7m RCSB], [http://www.ebi.ac.uk/pdbsum/3j7m PDBsum]</span></td></tr>

<table>

== Publication Abstract from PubMed ==

Advances in electron cryo-microscopy have enabled structure determination of macromolecules at near-atomic resolution. However, structure determination, even using de novo methods, remains susceptible to model bias and overfitting. Here we describe a complete workflow for data acquisition, image processing, all-atom modelling and validation of brome mosaic virus, an RNA virus. Data were collected with a direct electron detector in integrating mode and an exposure beyond the traditional radiation damage limit. The final density map has a resolution of 3.8 A as assessed by two independent data sets and maps. We used the map to derive an all-atom model with a newly implemented real-space optimization protocol. The validity of the model was verified by its match with the density map and a previous model from X-ray crystallography, as well as the internal consistency of models from independent maps. This study demonstrates a practical approach to obtain a rigorously validated atomic resolution electron cryo-microscopy structure.

An atomic model of brome mosaic virus using direct electron detection and real-space optimization.,Wang Z, Hryc CF, Bammes B, Afonine PV, Jakana J, Chen DH, Liu X, Baker ML, Kao C, Ludtke SJ, Schmid MF, Adams PD, Chiu W Nat Commun. 2014 Sep 4;5:4808. doi: 10.1038/ncomms5808. PMID:25185801<ref>PMID:25185801</ref>

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br>

</div>

== References ==

__TOC__

</StructureSection>

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@@ Line 6: / Line 6: @@
 <tr><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3j7m FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3j7m OCA], [http://www.rcsb.org/pdb/explore.do?structureId=3j7m RCSB], [http://www.ebi.ac.uk/pdbsum/3j7m PDBsum]</span></td></tr>
 <table>
+<div style="background-color:#fffaf0;">
+== Publication Abstract from PubMed ==
+Advances in electron cryo-microscopy have enabled structure determination of macromolecules at near-atomic resolution. However, structure determination, even using de novo methods, remains susceptible to model bias and overfitting. Here we describe a complete workflow for data acquisition, image processing, all-atom modelling and validation of brome mosaic virus, an RNA virus. Data were collected with a direct electron detector in integrating mode and an exposure beyond the traditional radiation damage limit. The final density map has a resolution of 3.8 A as assessed by two independent data sets and maps. We used the map to derive an all-atom model with a newly implemented real-space optimization protocol. The validity of the model was verified by its match with the density map and a previous model from X-ray crystallography, as well as the internal consistency of models from independent maps. This study demonstrates a practical approach to obtain a rigorously validated atomic resolution electron cryo-microscopy structure.
+An atomic model of brome mosaic virus using direct electron detection and real-space optimization.,Wang Z, Hryc CF, Bammes B, Afonine PV, Jakana J, Chen DH, Liu X, Baker ML, Kao C, Ludtke SJ, Schmid MF, Adams PD, Chiu W Nat Commun. 2014 Sep 4;5:4808. doi: 10.1038/ncomms5808. PMID:25185801<ref>PMID:25185801</ref>
+From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
+</div>
+== References ==
+<references/>
 __TOC__
 </StructureSection>