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Controlling Protein...
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Marklund, Erik,1979-Uppsala universitet,Biokemi,Univ Oxford, Dept Chem, Phys & Theoret Chem Lab, South Parks Rd, Oxford GB 0X1 3QZ, England.
(författare)
Controlling Protein Orientation in Vacuum Using Electric Fields
- Artikel/kapitelEngelska2017
Förlag, utgivningsår, omfång ...
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2017-09-11
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American Chemical Society (ACS),2017
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electronicrdacarrier
Nummerbeteckningar
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LIBRIS-ID:oai:DiVA.org:uu-336478
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https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-336478URI
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https://doi.org/10.1021/acs.jpclett.7b02005DOI
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Språk:engelska
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Sammanfattning på:engelska
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Single-particle imaging using X-ray free-electron lasers is an emerging technique that could provide high-resolution structures of macromolecules in the gas phase. One of the largest difficulties in realizing this goal is the unknown orientation of the individual sample molecules at the time of exposure. Preorientation of the molecules has been identified as a possible solution to this problem. Using molecular dynamics simulations, we identify a range of electric field strengths where proteins become oriented without losing their structure. For a number of experimentally relevant cases we show that structure determination is possible only when orientation information is included in the orientation-recovery process. We conclude that nondestructive field orientation of intact proteins is feasible and that it enables a range of new structural investigations with single particle imaging.
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Biuppslag (personer, institutioner, konferenser, titlar ...)
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Ekeberg, TomasDESY, Ctr Free Electron Laser Sci, DE-22607 Hamburg, Germany.
(författare)
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Moog, MathieuUppsala universitet,Molekyl- och kondenserade materiens fysik
(författare)
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Benesch, Justin L. P.Univ Oxford, Dept Chem, Phys & Theoret Chem Lab, South Parks Rd, Oxford GB 0X1 3QZ, England.
(författare)
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Caleman, CarlUppsala universitet,Molekyl- och kondenserade materiens fysik,DESY, Ctr Free Electron Laser Sci, DE-22607 Hamburg, Germany.(Swepub:uu)cajca839
(författare)
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Uppsala universitetBiokemi
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:The Journal of Physical Chemistry Letters: American Chemical Society (ACS)8:18, s. 4540-45441948-7185
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