Nanocrystallography measurements of early stage synthetic malaria pigment

Ruben A. Dilanian, Victor Streltsov, Hannah D. Coughlan, Harry M. Quiney, Andrew V. Martin, Nectarios Klonis, Con Dogovski, Sébastien Boutet, Marc Messerschmidt, Garth J. Williams, Sophie Williams, Nicholas W. Phillips, Keith A. Nugent, Leann Tilley, Brian Abbey

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

The recent availability of extremely intense, femtosecond X-ray free-electron laser (XFEL) sources has spurred the development of serial femtosecond nanocrystallography (SFX). Here, SFX is used to analyze nanoscale crystals of β-hematin, the synthetic form of hemozoin which is a waste by-product of the malaria parasite. This analysis reveals significant differences in β-hematin data collected during SFX and synchrotron crystallography experiments. To interpret these differences two possibilities are considered: structural differences between the nanocrystal and larger crystalline forms of β-hematin, and radiation damage. Simulation studies show that structural inhomogeneity appears at present to provide a better fit to the experimental data. If confirmed, these observations will have implications for designing compounds that inhibit hemozoin formation and suggest that, for some systems at least, additional information may be gained by comparing structures obtained from nanocrystals and macroscopic crystals of the same molecule.Serial femtosecond crystallography (SFX) at an X-ray free-electron laser enables crystllographic data to be collected from samples orders of magnitude smaller than at a synchrotron. Here SFX is used to investigate the nascent structure of β-hematin derived from nanocrystals and this is compared with the well known structure derived from macroscopic crystals of the same material.

Original languageEnglish (US)
Pages (from-to)1533-1540
Number of pages8
JournalJournal of Applied Crystallography
Volume50
Issue number5
DOIs
StatePublished - Oct 1 2017
Externally publishedYes

Fingerprint

Hemin
Nanoparticles
Nanocrystals
X ray lasers
Crystallography
Synchrotrons
Free electron lasers
Crystals
Lasers
X-Rays
Electrons
Waste Products
Radiation damage
Malaria
Byproducts
Light sources
Parasites
Availability
Radiation
Crystalline materials

Keywords

  • crystalline disorder
  • crystallography
  • malaria
  • serial femtosecond nanocrystallography
  • structural inhomogeniety

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)

Cite this

Dilanian, R. A., Streltsov, V., Coughlan, H. D., Quiney, H. M., Martin, A. V., Klonis, N., ... Abbey, B. (2017). Nanocrystallography measurements of early stage synthetic malaria pigment. Journal of Applied Crystallography, 50(5), 1533-1540. https://doi.org/10.1107/S1600576717012663

Nanocrystallography measurements of early stage synthetic malaria pigment. / Dilanian, Ruben A.; Streltsov, Victor; Coughlan, Hannah D.; Quiney, Harry M.; Martin, Andrew V.; Klonis, Nectarios; Dogovski, Con; Boutet, Sébastien; Messerschmidt, Marc; Williams, Garth J.; Williams, Sophie; Phillips, Nicholas W.; Nugent, Keith A.; Tilley, Leann; Abbey, Brian.

In: Journal of Applied Crystallography, Vol. 50, No. 5, 01.10.2017, p. 1533-1540.

Research output: Contribution to journalArticle

Dilanian, RA, Streltsov, V, Coughlan, HD, Quiney, HM, Martin, AV, Klonis, N, Dogovski, C, Boutet, S, Messerschmidt, M, Williams, GJ, Williams, S, Phillips, NW, Nugent, KA, Tilley, L & Abbey, B 2017, 'Nanocrystallography measurements of early stage synthetic malaria pigment', Journal of Applied Crystallography, vol. 50, no. 5, pp. 1533-1540. https://doi.org/10.1107/S1600576717012663
Dilanian RA, Streltsov V, Coughlan HD, Quiney HM, Martin AV, Klonis N et al. Nanocrystallography measurements of early stage synthetic malaria pigment. Journal of Applied Crystallography. 2017 Oct 1;50(5):1533-1540. https://doi.org/10.1107/S1600576717012663
Dilanian, Ruben A. ; Streltsov, Victor ; Coughlan, Hannah D. ; Quiney, Harry M. ; Martin, Andrew V. ; Klonis, Nectarios ; Dogovski, Con ; Boutet, Sébastien ; Messerschmidt, Marc ; Williams, Garth J. ; Williams, Sophie ; Phillips, Nicholas W. ; Nugent, Keith A. ; Tilley, Leann ; Abbey, Brian. / Nanocrystallography measurements of early stage synthetic malaria pigment. In: Journal of Applied Crystallography. 2017 ; Vol. 50, No. 5. pp. 1533-1540.
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