Published in

International Union of Crystallography, Acta Crystallographica Section F: Structural Biology Communications, 9(70), p. 1186-1192, 2014

DOI: 10.1107/s2053230x14017087

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Structure ofToxoplasma gondiifructose-1,6-bisphosphate aldolase

Journal article published in 2014 by Lauren E. Boucher, Jürgen Bosch ORCID
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

The apicomplexan parasiteToxoplasma gondiimust invade host cells to continue its lifecycle. It invades different cell types using an actomyosin motor that is connected to extracellular adhesinsviathe bridging protein fructose-1,6-bisphosphate aldolase. During invasion, aldolase serves in the role of a structural bridging protein, as opposed to its normal enzymatic role in the glycolysis pathway. Crystal structures of the homologousPlasmodium falciparumfructose-1,6-bisphosphate aldolase have been described previously. Here,T. gondiifructose-1,6-bisphosphate aldolase has been crystallized in space groupP22121, with the biologically relevant tetramer in the asymmetric unit, and the structure has been determinedviamolecular replacement to a resolution of 2.0 Å. An analysis of the quality of the model and of the differences between the four chains in the asymmetric unit and a comparison between theT. gondiiandP. falciparumaldolase structures is presented.