Duyvesteyn, Helen M. E.;
Kotecha, Abhay;
Ginn, Helen M.;
Hecksel, Corey W.;
Beale, Emma V.;
de Haas, Felix;
Evans, Gwyndaf;
Zhang, Peijun;
Chiu, Wah;
Stuart, David I.
Machining protein microcrystals for structure determination by electron diffraction
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Medientyp:
E-Artikel
Titel:
Machining protein microcrystals for structure determination by electron diffraction
Beteiligte:
Duyvesteyn, Helen M. E.;
Kotecha, Abhay;
Ginn, Helen M.;
Hecksel, Corey W.;
Beale, Emma V.;
de Haas, Felix;
Evans, Gwyndaf;
Zhang, Peijun;
Chiu, Wah;
Stuart, David I.
Erschienen:
Proceedings of the National Academy of Sciences, 2018
Erschienen in:Proceedings of the National Academy of Sciences
Sprache:
Englisch
DOI:
10.1073/pnas.1809978115
ISSN:
1091-6490;
0027-8424
Entstehung:
Anmerkungen:
Beschreibung:
<jats:p>We demonstrate that ion-beam milling of frozen, hydrated protein crystals to thin lamella preserves the crystal lattice to near-atomic resolution. This provides a vehicle for protein structure determination, bridging the crystal size gap between the nanometer scale of conventional electron diffraction and micron scale of synchrotron microfocus beamlines. The demonstration that atomic information can be retained suggests that milling could provide such detail on sections cut from vitrified cells.</jats:p>