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Lipidic cubic phase injector facilitates membrane protein serial femtosecond crystallography

Open access
Weierstall, Uwe, James, Daniel, Wang, Chong, White, Thomas A., Wang, Dingjie, Liu, Wei, Spence, John C. H., Bruce Doak, R., Nelson, Garrett, Fromme, Petra, Fromme, Raimund, Grotjohann, Ingo, Kupitz, Christopher, Zatsepin, Nadia A., Liu, Haiguang, Basu, Shibom, Wacker, Daniel, Won Han, Gye, Katritch, Vsevolod, Boutet, Sébastien, Messerschmidt, Marc, Williams, Garth J., Koglin, Jason E., Marvin Seibert, M., Klinker, Markus, Gati, Cornelius, Shoeman, Robert L., Barty, Anton, Chapman, Henry N., Kirian, Richard A., Beyerlein, Kenneth R., Stevens, Raymond C., Li, Dianfan, Shah, Syed T. A., Howe, Nicole, Caffrey, Martin, Cherezov, Vadim·2014·Nature Communications

Abstract

Lipidic cubic phase (LCP) crystallization has proven successful for high-resolution structure determination of challenging membrane proteins. Here we present a technique for extruding gel-like LCP with embedded membrane protein microcrystals, providing a continuously renewed source of material for serial femtosecond crystallography. Data collected from sub-10-μm-sized crystals produced with less than 0.5 mg of purified protein yield structural insights regarding cyclopamine binding to the Smoothened receptor. Serial femtosecond X-ray crystallography permits the use of very small protein crystals; however, a continuous flow of sample is required. Weierstall et al. design and demonstrate an injector system that can supply microcrystals in the lipidic cubic phase, dramatically reducing the quantities of protein required.

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Crossref · 10.1038/ncomms4309

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Metadata

Authors
Weierstall, U., James, D., Wang, C., White, T. A., Wang, D., Liu, W., Spence, J. C. H., Bruce Doak, R., Nelson, G., Fromme, P., Fromme, R., Grotjohann, I., Kupitz, C., Zatsepin, N. A., Liu, H., Basu, S., Wacker, D., Won Han, G., Katritch, V., Boutet, S., Messerschmidt, M., Williams, G. J., Koglin, J. E., Marvin Seibert, M., Klinker, M., Gati, C., Shoeman, R. L., Barty, A., Chapman, H. N., Kirian, R. A., Beyerlein, K. R., Stevens, R. C., Li, D., Shah, S. T. A., Howe, N., Caffrey, M., & Cherezov, V.
Venue
Nature Communications
Published
2014-02-14
Volume
5
Issue
1
Pages
3309-3309
ISSN
2041-1723 (ISSN-L)
OpenAlex
W2135102992
Cited by
583
References
3
FWCI
34.10
Type
journal article
Language
en
Open access
bronze

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